The phase of mitosis shown in the diagram where chromatids separate from each other and are being pulled to the opposite ends of the cell is **anaphase.** The correct option is 1.
During anaphase, the centromere that holds sister chromatids together splits, allowing the chromatids to become individual chromosomes. These chromosomes are then pulled apart toward opposite ends (poles) of the cell by the contraction of spindle fibers. The movement of chromatids is facilitated by the shortening of microtubules within the spindle apparatus.
The key events of anaphase include:
1. **Separation of Sister Chromatids:** The chromatids, which are identical copies of each other, are separated as the centromere divides.
2. **Movement Towards Poles:** The separated chromatids, now individual chromosomes, are pulled towards the opposite poles of the cell by the spindle fibers. This ensures that each daughter cell will receive a complete set of chromosomes.
**Other Phases:**
- **Prophase:** This phase involves the condensation of chromatin into visible chromosomes, the breakdown of the nuclear envelope, and the formation of the mitotic spindle.
- **Metaphase:** During metaphase, the chromosomes align along the center of the cell, known as the metaphase plate. The spindle fibers attach to the centromeres of each chromosome.
- **Telophase:** In telophase, the separated chromatids (now chromosomes) arrive at the opposite poles and begin to decondense back into chromatin. The nuclear envelope starts to reform around each set of chromosomes, creating two distinct nuclei.
**Cytokinesis** follows mitosis and involves the division of the cell's cytoplasm and other organelles, ultimately producing two daughter cells.
In the diagram where chromatids are being pulled apart and moving towards the cell's opposite ends, it's indicative of **anaphase** of mitosis. This phase is crucial for ensuring that each daughter cell receives an identical set of genetic material.
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Answler:
label A = c
label B = B
label C = A
label D= DExplanation:
What might happen if the gametes of a species had
the same number of chromosomes as the species'
body cells?
Answer:
The chromosome number will not be constant and the person would die.
Explanation:
During gamete formation, half of the chromosomes arise from one parent and the other half from the other parent. This is possible due to the process of meiosis.
If during gamete formation, the number of chromosome does not get reduced, then after fertilization the gamete will have double the number of chromosomes as compared to the parents. Hence, the chromosome number of the person will not remain constant and he/she would die.
The chromosome number will not be constant and the person would die.
Meiosis is the type of cell division that occurs during reproduction. In
this type of division, the result is the formation of two unique daughter
cells.
Mitosis on the other hand is the cell division concerned with growth and
replacement of worn out tissues in the body.
In instances where the gametes of a species had the same number of
chromosomes as the species' body cells, the species formed will have a
chromosome number which isn't constant which may result in death due to
issues occurring during replication.
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Human __helps examine the impact of population growth on the
environment.
Answer:
]
Explanation:
"The impact of so many humans on the environment takes two major forms: consumption of resources such as land, food, water, air, fossil fuels and minerals. waste products as a result of consumption such as air and water pollutants, toxic materials and greenhouse gases."
Answer:
Geography
Explanation:
Do your cells use food to directly power their various functions? Explain your answer (3 points)
Question 7
Not yet
Maked out of
13
Type here to search
Oo
Answer:
No, your cells does not use food to directly to power their various functions.
Explanation:
The food that we eat is the fuel to our body. But this food has to converted into energy. This conversion of food into energy is carried out by mitochondria through a process called Cellular respiration. The food we consume is first broken down into smaller particles.the glucose in the food we eat undergoes several chemical reaction to produce ATP (adenosine triphosphate).This ATP is the form of chemical energy that is utilised by the cell for performing various actions walking , running etc.
Which type of mechanical weathering are mostly likely represented below
Answer: Earth scientists often divide mechanical weathering into two major categories: fracturing, which includes frost- and salt-wedging, and abrasion, such as sandblasting. Rock Abrasion.
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Which water conservation strategy is used when a household installs a dual flush toilet?
1.) reusing and recycling
2.) eliminating losses
3.) preventing pollution
4.) limiting consumption
Final answer:
A household installing a dual flush toilet uses the strategy of limiting consumption to conserve water by allowing a choice between full and reduced flush options, directly reducing the volume of water used per flush. Option 4.
Explanation:
The water conservation strategy that is used when a household installs a dual flush toilet is limiting consumption. Dual flush toilets are designed to use different amounts of water for liquid waste and solid waste, which reduces the overall water usage. By having two options, one for a full flush and one for a reduced flush, dual flush toilets encourage households to use only the amount of water necessary for the type of waste being disposed of. This is a direct approach to reduce water consumption in residential areas, where toilet flushing is typically the largest indoor use of water.
In addition to this strategy, there are many other ways to reuse resources effectively. For example, using gray water for gardening, collecting rainwater in rain barrels, and installing water-efficient fixtures are all practical approaches toward water conservation. Furthermore, reusing and recycling materials and reducing waste production overall also contribute to conserving our natural resources and minimizing the environmental impact.
Ecosystems & Blomes
Which of the following features would help a plant adapt to a tropical forest biome?
A. deep, branching roots
B.
thick, rough bark
C. waxy leaves with drip tips
D. wide leaves with fine hairs
Plant adapt to a tropical forest biome by C. Waxy leaves with drip tips Therefore , C. waxy leaves with drip tips is correct .
Tropical forests are characterized by high temperatures, abundant rainfall, and high humidity. In such an environment, plants need to have specific adaptations to thrive. Let's analyze the options:
A. Deep, branching roots: While roots are vital for nutrient uptake and stability, deep branching roots are not specifically adapted to a tropical forest biome.
These types of roots are more common in plants that need to access water from deeper soil layers, which is not a primary concern in the consistently moist tropical forest.
B. Thick, rough bark: Thick, rough bark is a feature that provides protection to the plant from external factors like physical damage, fire, or extreme weather.
However, it's not a key adaptation specific to a tropical forest biome.
C. Waxy leaves with drip tips: This is a highly relevant adaptation for a tropical forest biome.
leaves help reduce water loss through transpiration, and drip tips assist in shedding excess water that accumulates due to high humidity or heavy rainfall.
D. Wide leaves with fine hairs: Wide leaves can capture more sunlight in the understory of the dense tropical forest.
Fine hairs might help in certain circumstances, but they are not as crucial as waxy leaves for water retention and dealing with high humidity.
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(01.04 LC)
Mason is preparing to present the results of a study he did to track the germination rates of bean seeds treated with growth hormones. He wants to show the
different rates of growth as they progressed over time. Which of the following would be best for conveying growth rates over time?
Simple table
Answer:
A line chat would be the best
Hello. This question is incomplete. The full question is:
"Mason is preparing to present the results of a study he did to track the germination rates of bean seeds treated with growth hormones. He wants to show the different rates of growth as they progressed over time. Which of the following would be best for conveying growth rates over time? a)Simple table b)Line chart c)Venn diagram d)Pie chart "
Answer:
b)Line chart
Explanation:
Line charts are the ideal representation to show changes over time. For this reason, if Mason wants to show the different growth rates of bean seeds as they progress over time, he should choose this type of representation.
In summary, we can say that line graphs are composed of the x and y axes. In addition, its composition is determined by the presentation of values related to periods of time, distributed along these axes.
3. Compare and contrast Neanderthals, Cro-Magnon
humans, and early humans.
Cro-Magnons were straight limbed and tall compared to Neanderthals and early humans.
Explanation:
Neanderthals are more primitive but stronger. They were stockier, with shorter limbs and a larger chest and nose. The head is much longer with more pronounced facial front.
Cro-Magnons are robustly built and powerful. The body was generally heavy and solid, with strong musculature. The forehead was straight and face was short and wide.
Early humans were small in size. They had long arms and short legs. They required larger digestive tract because of their plant based diet.
Final answer:
Neanderthals were robust and adapted to cold climates, with evidence of interbreeding with Homo sapiens. Cro-Magnon humans, or early modern humans, were anatomically similar to today's humans and known for their art. Early humans, including Homo habilis and Homo erectus, developed basic tool use and controlled fire, with Homo habilis displaying a larger brain size and complex behaviors.
Explanation:
When comparing Neanderthals, Cro-Magnon humans (early modern humans), and early humans such as Homo habilis, Homo erectus, and archaic Homo sapiens, we are essentially exploring the fascinating journey of human evolution. Each of these groups represents significant steps in the development of humans, showcasing adaptations and traits that have either persisted or vanished over time.
Neanderthals: Known for their robust build and large cranium, Neanderthals were well-adapted to cold climates, evidenced by their physical characteristics. They produced sophisticated tools, had a culture, and there is evidence suggesting they buried their dead. Recent genetic studies suggest that Neanderthals interbred with Homo sapiens, contributing DNA to modern humans outside Africa.Cro-Magnon Humans (Early Modern Humans): Anatomically similar to modern humans, Cro-Magnon humans represent early Homo sapiens with a lighter build compared to Neanderthals and more refined tool use, including blades and needles. They are noted for their art, which includes cave paintings and sculptures.Early Humans: Including Homo habilis and Homo erectus, these early hominins show significant developments, such as the use of basic stone tools (Oldowan and Acheulean industries) and control of fire by Homo erectus. Homo habilis is known for a larger brain size compared to earlier hominins and evidence of more complex behaviors.The evolution from Homo habilis through Homo erectus to both Neanderthals and early modern humans demonstrates a complex web of development, including physical and cultural evolution. The appearance of sophisticated tool use, art, and increasing brain size play crucial roles in these transitions.
Name 5 roles of proteins
1. Provide structure
2. Causes Biochemical Reactions
3. balances fluids
4. transports and stores nutrients
5. provides energy
Consider the classification levels of a honey bee.
Eukarya
Animalia
Arthropoda
Insecta
Hymenoptera
Apidae
Apis
mellifera
To which class do honey bees belong?
Answer:
Insecta
Explanation:
The classification levels are the following from broadest to the most specific:
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species
In your selection it is listed in that order:
Domain --- Eukarya
Kingdom --- Animalia
Phylum --- Arthropoda
Class --- Insecta
Order --- Hymenoptera
Family --- Apidae
Genus --- Apis
Species --- Mellifera
When you name the organism, we use the two name or binary naming system, getting the genus and the species. So the scientific name of the honey bee is: Apis mellifera
Honey bees belong to the class Insecta in the biological taxonomy. This is the fourth level in the classification system for organisms, coming after Domain, Kingdom, and Phylum, but before Order, Family, Genus, and Species.
Explanation:The question relates to the classification levels, also known as taxonomic ranks, of a honey bee. The levels listed are part of a hierarchical system used in biology to classify all living organisms. The levels from broadest to narrowest are: Domain, Kingdom, Phylum, Class, Order, Family, Genus, and Species. In relation to honey bees, you had listed: Eukarya (Domain), Animalia (Kingdom), Arthropoda (Phylum), Insecta (Class), Hymenoptera (Order), Apidae (Family), Apis (Genus), and mellifera (Species). Therefore, honey bees belong to the class Insecta.
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According to the chart below, how do the gas giants differ from the terrestrial planets? (3 points) Image describing the composition of the terrestrial planets (Mercury, Venus, Earth, and Mars) and the gas giants (Jupiter, Saturn, Uranus, and Neptune) of our solar system. Mercury is composed of 45 percent core, 50 percent mantle, and 5 percent surface crust. Venus is composed of 15 percent inner core, 20 percent outer core, 60 percent mantle, and 5 percent surface crust. Earth is composed of 5 percent inner core, 35 percent outer core, 55 percent mantle, and 5 percent surface crust. Mars is composed of 50 percent inner core, 45 percent outer core, and 5 percent surface crust. Jupiter is composed of 5 percent rock, 15 percent water, 60 percent metallic hydrogen, and 20 percent hydrogen gas. Saturn is composed of 10 percent rock, 20 percent water, 30 percent metallic hydrogen, and 40 percent hydrogen gas. Uranus is composed of 30 percent rock, 35 percent water, and 35 percent hydrogen. Neptune is composed of 15 percent rock, 60 percent water, and 25 percent hydrogen gas. Select one: a. The gas giants do not have solid surfaces. b. The gas giants have an iron core. c. The gas giants lack hydrogen gas. d. The gas giants do not contain water.
Answer:
A, The gas giants do not have a solid surface
Explanation:
Well first off from the information given, we know that we can rule out option C considering gas giants all include hydrogen. We can also eliminate option B since no where in the information do they say the gas giants have an iron core. Lastly, we know it's not D because all the gas giants have water in them. This leaves us with the only other option of A
Sidenote: I also googled, "Do gas giants have solid surfaces" and the answer was "Unlike rocky planets, which have a clearly defined difference between atmosphere and surface, gas giants do not have a well-defined surface"
Answer:
A. The gas giants do not have solid surfaces
Explanation:
2 Points
Which habitat is known for many species of birds, monkeys, snakes, lizards,
frogs, and insects?
O
A. Tropical rain forest
O
B. Desert
O
C. Grassland
O
D. Boreal forest
SUBMIT
Answer: A
Explanation: It seems like the most logical thing considering monkeys and frogs don't live in the desert.
Hope this helps <3
Answer:
Tropical rain forest
Explanation:
Cells try to maintain three major conditions. One is your body temperature. What are the other two?
Cells try to maintain three major conditions which include temperature, pH level and solute concentration.
Organisms need to maintain steady conditions (i.e., a homeostasis state) inside their cells.The pH level is fundamental for carrying out many cellular processes (e.g., enzymatic degradation).Solute concentration is also fundamentally during many metabolic processes (e.g., transport of substances inside the cell).In conclusion, cells try to maintain three major conditions which include temperature, pH level and solute concentration.
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12. What molecule is made by RNA polymerase?
Answer:
DNA
Explanation:
RNA polymerase synthesizes RNA by following a strand of DNA. RNA polymerase is an enzyme that is responsible for copying a DNA sequence into an RNA sequence, during the process of transcription.
All the individuals of a species that live together in one place at the same time
Answer:
All the individuals of a species that live together in one place at the same time is called as population.
Explanation:
When organisms of same group or species live in a particular area they are defined as population. Along with living in a particular area the species should also have the 'capability of interbreeding' in order to be called as population. Demography is a social science that deals with the 'statistical study of population'.A term 'sex population' is often visualized in 'population genetics', it refers to a organisms group in which a 'pair of members' can breed together.Answer:
The answer is population (this question was on USATestprep)
Explanation:
Iron is needed by the body to make_____
Answer:
Hi there!
the correct answer to this question is: Hemoglobin
Explanation:
Iron is needed by the body to make hemoglobin.
Answer:
Iron is needed by the body for optimal functions.
Explanation:
Iron has various functions in the body. A well known function is its presence in the muscle as haemoglobin which helps transport blood. It is also present in the muscle (myoglobin); and in molecules (cytochromes)
Which of the following best describes how crossing over occurs during meiosis?
A. During prophase I, homologous chromosomes are lined up and pulled apart to opposite poles.
B. During prophase II, sister chromatids trade places with each other before
metaphase begins.
C. During prophase I, segments of chromatids are exchanged between homologous chromosomes.
D. During prophase II, chromosomes overlap and sections of each chromosome switch places.
Answer:
The correct option is C) During prophase I, segments of chromatids are exchanged between homologous chromosomes.
Explanation:
Meiosis can be described as a process of cell division which leads to genetic variations. These variations are produced due to crossing over and independent assortment of chromosomes. The number of chromosomes is reduced to half as the parent cells during this type of cell division.
Crossing over occurs between prophase I and metaphase I. During prophase I, segments of chromatids are known to be exchanged between the homologous chromosomes. Hence, option C is correct.
Answer:
B- homologous chromosomes join together to form tetrads during prophase I
Explanation:
14. Label the diagram using terms from the following list:
• memory cell
. B cell
. pathogen
• antibody
• antigen
Answ
Left - antigen
Top Right - antibody
Bottom right - B cell
Explanation:
Antibodies (top right label) are Y shaped proteins involved in the detection of pathogens. They specifically detect molecules associated with pathogens called antigens (left).
Antibodies are produced by B cells (bottom right) which are a specialised class of immune cells that make up part of the adaptive immune system. B cells are often referred to as white blood cells.
In an ecosystem where the owls eat mice the carrying capacity of both populations has been reached . how would the migration of live affect the carrying capacity of the owl population
Answer:
It would cause a decrease in the carrying capacity of the owl population.
Explanation:
The relationship between a predator and prey is unique. Both the population of a predator and prey gets affected if changes in one of them occur.
If mice migrated from the ecosystem, this will mean that there will b little food available for the owls on that ecosystem. As a result, they will compete for food. Some of them would get killed due to lack of food. Others will migrate to places where they can find food. Hence, the carrying capacity of the owl population would decrease.
which one of the following types of muscles helps you turn your body upwards?
A. Pronator
B. Abductor
C. Adductor
D. Supinator
Answer:
Adductor
Explanation:
The answer is Adductor.
Final answer:
The supinator muscle is responsible for turning the forearm anteriorly, or upward, which is part of the supination movement where the palm faces forward.
Explanation:
The type of muscle that helps you turn your body upwards by turning the forearm anteriorly is the supinator muscle. This muscle is responsible for supination, which occurs when the palm of the hand is turned to face forward, aligning the radius and ulna in a parallel manner. On the contrary, pronation involves the palm facing backward with the radius crossing over the ulna.
The pronator muscles, such as the pronator teres and the pronator quadratus, facilitate this motion. To clarify the options given, abductors are muscles that move a limb away from the body's midline, such as the supraspinatus muscle that abducts the arm at the shoulder. Adductors bring limbs towards the body's midline, exemplified by the adductor muscles of the thigh.
Write three examples of healthy behaviour. Consider your own healthy behaviors as well as those you might imagine practicing in future?
Answer:
1 have friends that are good influences
2 reject people who are bad onfluences
3 be a good influence
Will make brainilest answer!!!
If you went 200 miles out to sea off the Oregon coast and drilled into the sea floor, you would be drilling into ______________.
A) continental crust
B) oceanic crust
Answer:
Oceanic crust
Explanation:
I would assume that with the contenential crust having position mostly on the contenential areas, oceanic crust would be the right answer ;200 miles off.
Describe the characteristics of sound energy.
Explanation:
Sound travels in the form of a wave. Waves are characterized by three basic quantities. They are frequency, speed, and amplitude. Two of the main characteristics of sound are pitch and loudness, which in turn are determined by the frequency and amplitude of the wave, respectively.
Final answer:
Sound energy is a type of wave energy characterized by pitch, loudness, and tone. Pitch refers to the perceived frequency of a sound wave, loudness refers to the amplitude of the wave, and tone refers to the quality or timbre of the sound.
Explanation:
Sound energy is a type of wave energy that is created by vibrations and is transmitted through a medium such as air, water, or solid objects. It is characterized by several properties:
Pitch: The perceived frequency of a sound wave, which determines whether a sound is high or low.Loudness: The amplitude of a sound wave, which determines how soft or loud a sound is.Tone: The quality or timbre of a sound, which is determined by the combination of different frequencies present in the sound wave.For example, a high-pitched sound has a high frequency, while a low-pitched sound has a low frequency. Similarly, a loud sound has a large amplitude, while a soft sound has a small amplitude. The tone of a sound can vary depending on the specific combination of frequencies present.
scientists rarely say theory is proven . they only only say whether the evidence
Answer:
Scientists rarely say that a theory is proven. They will say that whether their the evidence presented supports the theory or not. This is because a scientific theory is subjected to change. Any new evidence found in contradiction to the previous theory will lead to the formation of another theory. Hence, a theory is no proved, it is supported through evidences or experiments.
In contrast, when an evidence is proved it will be subjected to become a scientific law. A scientific law cannot be changed.
summarize dnas importance to you
Answer:
DNA are important for inheritance, coding for proteins and the genetic instruction guide for life and its processes
Explanation:
DNA are well known for cellular life. It also helps in the storage of information for long term. In it, has the information for the making of different components of cell. i.e. protein and RNA molecules. They have information like from the development, to reproduction til the death of the cell. It works by replication transcription and translation. The genetic information's are stored like bookshelf or may say like a hard drive which is found to be quite boring. They are made up of nucleotide.
The chart shows parts of the body at different levels of organization.
Which picture can BEST be used to fill in box S?
Answer:
its C
Explanation:
Following the hierarchical levels of body organization, the picture that will best be used to fill in box S would be C.
The different levels of organizations in hierarchical order are:
cellstissuesorganssystemsCells are the basic and simplest unit. An aggregate of similar cells functioning as a unit form a tissue. Tissue aggregates form an organ while 2 or more organs coming together functionally form a system.
The picture started with cells - the blood cell followed by tissue, and then an organ. What should follow automatically should be a system. The only option that is a system is C.
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By the end of prophase, each of the following has occurred except ____.
Question 7 options:
tighter coiling of the chromosomes
breaking down of the nuclear envelope
disappearing of the nucleolus
lining up of chromosomes in the cell
Answer:
D) lining up of chromosomes in the cell
Explanation:
Prophase can be described as the first stage of cell division. During this phase, The chromatin material condenses and becomes compact so that the chromosomes become visible. The nuclear envelope disintegrates and the nucleolus disappears. Hence, the choices mentioned in option A, B and C occur by the end of prophase.
Metaphase is the third phase of cell division. During this phase, the chromosomes line themselves in the centre of the cell. Hence, the lining of the chromosome does not occur by the end of prophase. This occurs during the third stage.
1. Scientists often work together in teams to solve
problems. In 2009, an influenza virus emerged from
pigs that went on to infect an estimated 24 percent
of the world human population. How could
biologists from a variety of fields contribute to
studying this widespread disease and developing a
treatment, prevention, or cure?
How is influenza prevented?
The single best way to prevent seasonal flu is to get vaccinated each year, but good health habits like covering your cough and washing your hands often can help stop the spread of germs and prevent respiratory illnesses like the flu. There also are flu antiviral drugs that can be used to treat and prevent flu.
Usually, you'll need nothing more than bed rest and plenty of fluids to treat the flu. But if you have severe infection or are at higher risk for complications, your doctor may prescribe an antiviral medication
Answer:
Biologists from all different fields could work together to contribute to the study of the disease by using the information they already know about the disease and find out what it attacks, and how quickly it spreads. They could find a cure by seeing what kills it and see if using a dead strand of it would prevent a person from getting it, just like an actual flu shot. (Im not sure it's 100% right)
Which of the following is not part of the cell theory?
A. Every living thing is composed of cells.
B. Cells come from pre-existing cells.
C. Cells are the basic unit and structure of all living things.
D. Every cell has a nucleus that contains genetic material.
Answer:
The option D) 'Every cell has a nucleus that contains genetic material' is not a part of the cell theory.
Explanation:
The cell theory has three main postulates which are:
All living things are made up of a cell or different cells.All cells arise from pre-existing cells Cells are the basic unit of life.The cell theory does not claim that every cell shall have a nucleus. The prokaryotes lack a nucleus yet still are living things. However, all cells will have genetic material in the form of DNA or RNA.
which statement about sexual reproduction in flowering plants is true
Answer:
D) Asexual reproduction produces offspring that are genetically identical to the parent.
Explanation:
I am honestly not quite sure of this answer, but I was trying to read up on the topic and this is the answer I'm most confident in. It would make sense that the offspring are genetically identical to the parent because they would have no where else to get their genes/mix to form new ones. I really hope this helps!