Answer:
Hydrogen bonds
Explanation:
Hydrogen bonds
Via the hydrogen bonds all the nitrogenous bvases are joined to each other via two or three hydrogen bonds. The bases are paired by hydrogen bonds along the axis of the molecule.
What is the atomic number of hydrogen ?Hydrogen is the first element of periodic table and its atomic number is 1.
The bases are joined by hydrogen bonds. A that stands for adenine is joined to T that stands for thymine and the bonds between adenine and thymine is 2 and on the other hand C that stands for cytosine binds to G that stands for guanine.
In the structure of RNA, T that stands for thymine gets replaced with U that stands for uracil and this is having same bonds number between the nitrogenous bases as well.
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BRAINLIEST
Part A: explain my process to his important to sexual reproduction.
Part B: identify processes 1 and 3. State one difference between the cells produced by process with 3.
Answer:
Part A: The process of sexual reproduction is important because by this process organisms with varied genetic characteristics can be formed. Crossing over and independent assortment allow individuals to be born which are not alike to another and their parents. As a result, genetic diversity is produced.
Part B:
The process 1 is meiosis. The process 3 is development by mitosis.
The reproductive organs form sperm and egg by the process of meiosis. During this process, the number of chromosomes is reduced so that the number of chromosomes of an individual can be maintained.
The zygote converts into an embryo in a process called germinal development. The zygote replicates by mitosis to form into an embryo.
Sexual reproduction involves meiosis and the fusion of gametes to produce genetically distinct organisms.
Explanation:Sexual reproduction involves the process of meiosis, which produces haploid cells called gametes. These gametes from two different organisms fuse together, forming a new diploid cell, a zygote. This fusion of gametes generates a genetically distinct organism.
Process 1: Meiosis - Meiosis is the process in which a diploid cell divides twice to produce four haploid cells. These haploid cells are the gametes. The main difference between the cells produced by meiosis and those produced by process 3 is that the cells produced by meiosis are genetically distinct from each other, while the cells produced by process 3 are genetically identical to each other.
Process 3: Fusion of Gametes - The fusion of gametes from two different organisms results in the formation of a new diploid cell, a zygote. This zygote develops into a new organism.
please help asap
(show your work)
Burning a nut raises the temperature of 100 grams of water from 20 degrees C to 60 degrees C. How much heat does the water gain? Heat is measured in calories. 1 calorie = 4.18 J
Answer:
16 KJ or 16,720 J energy has gained by the water.
Explanation:
Given data:
Mass of water = m = 100 g
Temperature difference = ΔT= (60 - 20)∘C
specific heat of water 1 calorie = c = 4.18 J
To find:
Heat absorbed by water = q=?
Formula:
q = m . c . ΔT
Solution:
q = (100 g) x (4.18J/g ∘C) x (60 - 20)∘C
= 16,720 J
Final answer:
The water gains 4,000 small calories (cal) or 4 large calories (Cal) of heat when a nut is burned and raises the temperature of the water from 20°C to 60°C.
Explanation:
To calculate the amount of heat gained by the water when a nut is burned, we can use the formula:
Q = mcΔT
where:
Q is the heat in calories,
m is the mass of the water in grams,
c is the specific heat capacity of water (1 cal/g°C),
ΔT is the change in temperature in degrees Celsius (°C).
Given:
m = 100 g,
ΔT = 60°C - 20°C = 40°C.
Plugging the values into the formula:
Q = 100 g × 1 cal/g°C × 40°C = 4000 cal
Since 1,000 small calories (cal) make up 1 large calorie (Cal), the heat gain in large calories would be:
4 large Cal (since 4000 cal / 1000 = 4 Cal).
In which direction does wave energy travel?
Answer:
The wave travels in a direction that is perpen- dicular to the direction of the disturbance. The medium is the water, and energy is transferred outward in all directions from the source.
Answer:
perpen- dicular
at least i think it is
hope this helps !!!
How do you combine the probability of multiple
events?
mutliply them
add them
divide them
Answer:
Multiply the events.
Explanation: You should multiply the events by multiplying the first event by the second event.
Say you had event B (1/3) and event A(1/4). Then you would multiply them and that would be the probability of both events.
.
What are the major factors that cause cell growth?
Answer:
External factors include physical and chemical signals. Growth factors are proteins that stimulate cell division. – Most mammal cells form a single layer in a culture dish and stop dividing once they touch other cells. Two of the most important internal factors are kinases and cyclins.
A series of coral reefs is located near a coastline. In 3–5 sentences, construct an argument about how people can help prevent erosion to the coastline
Answer:
As the erosion happens often, there is a principal way of solving or reducing the erosion, like sea wall.
Sea walls should be formed in places where erosion hits. They serve to stop the water and return it to the sea.
Explanation:
People are the main reason for erosions. They are using explosions for fishing and that is how they are degrading the coastline.
Other ways of stoping the erosion are sand, vegetations, sandbags, etc.
To prevent erosion to the coastline near coral reefs, people can limit development, use strategies like beach nourishment and breakwaters, and practice responsible tourism.
Explanation:There are several ways people can help prevent erosion to the coastline near coral reefs. These include:
Limiting development near the coastline to reduce the amount of sediment and runoff that can enter the ocean and damage the reefs.Implementing strategies such as beach nourishment and the use of breakwaters to help protect the coastline from wave action and erosion.Practicing responsible tourism near coral reefs by not touching or damaging the coral, and being mindful of pollution and waste disposal.Learn more about preventing erosion to the coastline near coral reefs here:https://brainly.com/question/14555890
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Which makes viral infections difficult to defend?
A.) the immune system must attack the body’s own cells
B.) viruses are attacked by a nonspecific immune response
C.) viruses live outside of cells
D.) macrophages work slowly
Answer:
Viral infections are difficult to defend as viruses are attacked by a nonspecific immune response.
Explanation:
Viral infections often tend to weaken the immune system of the body by turning it incapable of fighting the virus. Any external drug administered to fight the virus also leaves an impact on the beneficial cells causing them to cause side effects. The response of the immune system to the virus often fails to address the root of the virus and hence, the virus keeps growing stronger.Where would you accept to see a plant that does not have a vascular system
Answer:
We can see non vascular system plants near the water sources.
Explanation:
Non vascular plants are the plants that lack the xylem and phloem system (i.e vascular system).The non vascular plants grow in the moist and damp places, so we would expect the non vascular plant to be present in the places where water source is near or presence of water is abundant.Without depending upon the roots they directly absorb water that is required to the main parts of plants.Near water sources or moist areas, why? Because nonvascular ( as the name suggests ) do not have vascular systems to transport water, so they must do so with more difficulty, henceforth, they must be near a water source to absorb any water to survive.
What information is coded in the complex molecule?
Help, correct answer only!!!!!!!!!!!!!!
Which situation involves mainly biotic factors?
A drop in the pH of ocean water prevents coral from growing properly, which harms the coral reef ecosystem.
A fungus wipes out a bat population, which allows the mosquito population to increase and spread disease to people.
Dust from a volcanic eruption blocks sunlight to Earth's surface, and as a result the weather gets colder.
A drought causes crops to die, and as a result cattle go hungry.
Answer: It is B
there you go good luck
Biotic factors:
A biotic factor is a living organism that shapes its environment.
Biotic and abiotic factors work together to create a unique ecosystem.
For example: Humans, insects, wild animals, birds, bacteria, etc.
The situation which mainly involve biotic factors are:
B. A fungus wipes out a bat population, which allows the mosquito population to increase and spread disease to people.
This situation mainly involve biotic factors such as fungus, bat, mosquito, people.
Thus, option B is correct.
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Which best describes what type of fungus this is?
yeast, because its spores are produced in round cases at the top of the hyphae
yeast, because it is growing on a piece of food
mold, because it is growing on a piece of food (incorrect)
mold, because its spores are produced in round cases at the top of the hyphae
Answer:
D; mold, beacause its spores are produced in round cases at the top of the hyphae
Explanation:
Answer: D mold, beacause its spores are produced in round cases at the top of the hyphae
Explanation:
4. Analyze what would happen to this ecosystem if one of the primary consumers was removed from the ecosystem?
What would happen if a new tertiary consumer such as a mountain lion came into the ecosystem? Describe how each
level would be affected if each of these changes occurred.
Answer:
Due to a primary consumer being taken out there will be more producers and less secondary consumers because of the new tertiary consumer eating them and the lack of food for the secondary.
Why is UVA light considered a mutagen?
It penetrates the skin and can cause mutations.
It can be prevented by wearing a protective vest.
It produces chemicals that can be inhaled.
It is found in synthetic dyes and cosmetics.
Answer:
It penetrates the skin and can cause mutations.
Explanation:
UV light is the most common source of radiation that affects DNA, but it is a weak radiation and it penetrates only the surface cells of your skin. However, UVA radiation is considered as a mutagen because it penetrates deep into the skin and can cause mutations.
Answer:
The first one, It penetrates the skin and can cause mutations
Explanation:
URGENT!!!
Some scientists propose that life on earth could have formed from primitive conditions, like those illustrated in the Urey-Miller experiment model shown above. However, more recent analysis indicates that the atmospheric components might be different than is shown above. If high rates of volcanic activity were responsible for the atmospheric conditions in the atmosphere, what modifications to the model might be necessary?
A) Water vapor should be present in higher concentrations, as volcanic activity would cause more water to evaporate.
B) Oxygen gas should be present in higher quantities, as photosynthesis would be occurring at a higher rate after volcanic activity.
C) Ozone would be present in higher quantities, as volcanic activity would increase the combination of free oxygen atoms into ozone.
D) Carbon dioxide, sulfur dioxide, and hydrogen sulfide should be present in higher concentrations than are depicted above, as they are emitted from volcanic eruptions.
Answer:
D) Carbon dioxide, sulfur dioxide, and hydrogen sulfide should be present in higher concentrations than are depicted above, as they are emitted from volcanic eruptions.
Explanation:
Volcanic eruptions can be extremely harmful and destructive for living beings, including plants, animals, and human health. However, they are also very dangerous for the environment.
These volcanic eruptions relase water vapor and toxic gases, such as carbon dioxide, sulfur dioxide, hydrogen sulfide, and carbon monoxide, into the atmosphere.
Therefore, if there were high rates of volcanic activity, responsible for atmospheric conditions, there would be higher levels of carbon dioxide, sulfur dioxide, and hydrogen sulfide.
Answer:
D) Carbon dioxide, sulfur dioxide, and hydrogen sulfide should be present in higher concentrations than are depicted above, as they are emitted from volcanic eruptions.
Explanation:
took the usatestprep quiz
John James Audubon and Henry David Thoreau had an important influence over the ____
A. Formation of conservation organizations
B. Setting of standards for veterinary practice
C. Campaign to eradicate bioterrorism
D. Early development of vaccines
Answer:
B i think
Explanation:
John James Audubon and Henry David Thoreau had an important influence over the formation of conservation organizations.
Explanation:John James Audubon and Henry David Thoreau had an important influence over the formation of conservation organizations. Audubon, a renowned ornithologist, is considered one of the pioneers of modern environmentalism and his work helped raise awareness about the need to protect wildlife and their habitats. Thoreau, on the other hand, emphasized the importance of preserving nature and developed the concept of wilderness preservation, which inspired future conservation efforts.
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Which of the following is not a type of endocytosis? phagocytosis pinocytosis receptor-mediated endocytosis constitutive secretion
Answer:
Which of the following is not a type of endocytosis?
constitutive secretion
Explanation:
There are only three types of endocytosis namely; phagocytosis, pinocytosis and receptor-mediated endocytosis
The breakdown of the cell membrane to get the food is called endocytosis. Amoeba is one of the species which perform endocytosis.
These are the steps involved in the endocytosis:-
Cover the preyMake a cup around the prey from the plasma membraneBreakdown the cell membrane and get the foodMost of the unicellular species do endocytosis for food, other cells also do this to remove the waste material from the cell.
According to the question, the correct option is constitutive secretion.
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What are two reasons that this research was significant?
The main purpose of research is to inform action, to prove a theory, and contribute to developing knowledge in a field or study.
Why is research important?Research is "creative and systematic work undertaken to increase the stock of knowledge". It involves the collection, organization and analysis of evidence to increase understanding of a topic, characterized by a particular attentiveness to controlling sources of bias and error.
Generally, research is the organised and systematic method of finding answers to questions. It is systematic because it is a process broken up into clear steps that lead to conclusions. Research is organised because there is a planned structure or method used to reach the conclusion.
There are four main types of Quantitative research: Descriptive, Correlational, Causal-Comparative/Quasi-Experimental, and Experimental Research.
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Final answer:
Research is vital for creating evidence-based public policy and informed personal decisions, as well as for demonstrating scientific links, like those between smoking and cancer. Studies' replication ensures the validity and reliability of findings, which is essential in fields that impact public health and policy.
Explanation:
Research is significant for various reasons, particularly in guiding public policy and personal decisions with evidence-based findings. One reason research is important is that it allows scientific demonstrations of links between phenomena, such as how early longitudinal studies by the American Cancer Society showed connections between smoking and increased cancer rates. Another reason is that replicating studies strengthens the reliability of the findings, providing confidence that results are not due to chance or specific conditions. In addition, by using archival or secondary data, researchers lay a solid foundation for developing their central research questions and conducting thorough investigations.
For researchers, it is paramount that others attempt to replicate their studies to ensure that the findings are valid and not an anomaly. This replication contributes to the strength of scientific evidence and eventually, to consensus within the scientific community on certain issues. This is crucial in psychological research and any field where understanding behavior and its implications can significantly affect public health, policy, and individual life choices.
- Higher Order Thinking Nicole, Tasha,
Maria, and Joan each walk to school from
home. Nicole walks 1.11/12 miles. Tasha
walks 2.1/12miles. Maria walks 1.7/12miles.
Joan walks 2.2/12miles. How can you find
how much farther Joan walks to school
than Maria?
Answer:
Joan Walks [tex]\frac{7}{12}[/tex]miles farther than maria
Explanation:
Given:
Distance walked by Nicole = 1. 11/12 miles
Distance walked by Tasha= 2. 1/12 miles
Distance walked by Maria = 1. 7 /12 miles
Distance walked by Joan = 2. 2/12 miles
To find:
How much farther Joan walks to school than Maria = ?
Solution:
We can find the distance that Joan walk more than maria by subtraction
Joan distance - maria distance
here the distance are given in mixed fraction , so lets covert them into fraction and perform subtraction
=> [tex]2\frac{2}{12} - 1 \frac{7}{12}[/tex]
=>[tex]\frac{24+ 2}{12} - \frac{12 +7}{12}[/tex]
=>[tex]\frac{26}{12} - \frac{19}{12}[/tex]
=>[tex]\frac{26 - 19}{12}[/tex]
=>[tex]\frac{7}{12}[/tex]
Final answer:
To find out how much farther Joan walks to school than Maria, subtract Maria's walking distance (1.7/12 miles) from Joan's (2.2/12 miles), yielding a difference of 0.5 miles.
Explanation:
To find out how much farther Joan walks to school than Maria, we need to calculate the difference between the distances they walk. Joan walks 2.2/12 miles, and Maria walks 1.7/12 miles. To find the difference, we subtract Maria's distance from Joan's distance. This can be done by converting the fractions to twelfths to make it easier to subtract:
Joan: 2.2/12 milesMaria: 1.7/12 milesThe difference in the distances they walk to school is:
(2 + 2/12) miles - (1 + 7/12) miles = 1 + (2/12 - 7/12) miles = 1 - 5/12 miles.
Therefore, Joan walks 0.5 miles farther to school than Maria.
Which factor will increase a population's size?
A.) High birthrate
B.) High death rate
C.) High emigration rate
D.) High predation rate
Answer:
a
Explanation:
b and d would kill pop
c has pop leaving
The factor that will increase a population's size is High birthrate. Therefore, option (A) is correct.
High birthrates can grow populations. Population expansion occurs when the birthrate surpasses the death rate. Birthrate is the number of births per population per time period.
High death rates reduce population size. A population shrinks when the mortality rate exceeds the birthrate. Emigrants leave the population to live elsewhere. This may reduce population size. Predator predation rate is high. Predation decreases prey species populations but does not directly increase them.
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Why would a drug that damages capsids help treat a viral infection?
A. Capsids cause conjunction.
B. Capsids are bacteria
C. Capsids are Antibiotics
D. Capsids help viruses enter cells
Answer:
D. Capsids help viruses enter cells!
Explanation:
Approved as of late May 2021. I got it correct. :)
Answer:
D. Capsids help viruses enter cells.
Explanation:
Because of that role, if the capsids were damaged it would help prevent a viral infection.
.
Heat moves from the land to the air through the process of
—
O conduction
O convection
O radiation
O refraction
—
—
Answer:
Heat moves from the land to the air through the process of "conduction".
Explanation:
When the two things come in contact with one another at different temperatures or basically when heat flows from the warmer to the colder region or phase until both reach at the same temperature is understood as "conduction". Conduction is a physical process which occur by collision of the microscopically colliding particles like molecules, atoms and electrons on the movement of heat through a substance.
While convection take place by the movement of heated objects and it isn't the process influencing air and water temperature difference. The examples of conduction are like a radiator, a heating pad, sand can conduct heat etc.
In a large new housing complex, many families do not practice water conservation. They take long showers over water their lawns, and wash their carefree
water treatment facility is old and was not designed to handle the increased amount of water, causing untreated sewage to be released into the environment. y
of pollution are demonstrated in this real world example?
Toxic
Sediment
Nutrient
Bacterial
Answer:
The correct option is D) bacterial
Explanation:
Waste water from domestic places when not disposed properly can lead to sewage in the lakes and rivers. This kind of sewage contains many bacteria and viruses which can cause dangerous diseases in humans and animals. E.coli, salmonella, cholera etc are some of the disease causing bacteria which can be originate from these places and cause a number of dreadful diseases. Hence, sewage from household should be properly disposed to avoid such circumstances to occur.
Answer:
Nutrient and Bacterial
Explanation:
Water treatment facilities can only treat a certain amount of. sewage each day. If too much water enters the facility excess untreated sewage will be released into the environment. Sewage containing human waste will cause both bacterial and nutrient pollution.
Which big idea guiding Earth science relates most directly to the four spheres of Earth?
Earth's history
Earth in the solar system
the structure of the Earth system
constructive and destructive forces that shape Earth
Answer:C the structure of the Earth system
Explanation:
Answer:
the structure of the Earth system
Explanation:
Compare homologous and analogous structures
Answer:
In the field of comparative anatomy, homologous structures can be described as structures which are present in different organisms which are similar and show that the organisms had a common ancestor in the past. On the other hand, analogous structures can be described as structures which are similar in function but might not possess a common origin.
Example of the homologous structure is the forelimb of dogs, humans and birds. All these structures might not perform the same function but are structurally similar.
Example of analogous structure includes the wings of a bat and bird. Although similar in function, they do not show a common origin.
The joy that comes from achieving a certain goal or the anger that arises when a particular injustice has been made are __________. A. norms that regulate an inappropriate display of emotion B. norms that regulate an appropriate display of emotion C. emotional reactions generally consistent across cultures D. emotions that vary across cultures
Answer:
The correct option is C) emotional reactions generally consistent across cultures
Explanation:
There are certain emotional reactions which are similar for people of every culture whereas there are other emotional reactions which vary across different cultures.
The emotional reactions of being happy after achieving something and the emotional reaction of anger due to any injustice are general reactions which are shown by people all around the globe. Hence, option C is correct.
Other options, like option D, is not true because these emotional reactions are common and do not vary in people of different cultures.
Answer:
C: emotional reactions generally consistent across cultures
Explanation:
Edge 2020
Which of the following does a bacteriophage NOT have?
O
protein
O DNA
nucleus
none of the above
Bacteriophage doesn't have a nucleus.
Option C.
Explanation:Bacteriophage is a virus that is present in our surroundings. Its a phage virus that attacks bacteria and killing it. Bacteriophage has a tadpole like structure with a polygonal head and a neck and 6 tails. The polygonal head is formed of carbohydrates, along with the neck and tails. The head has inside it DNA that is its nucleic acid and genetic material. It's not enclosed in any nucleus. It has some proteins inside the head too.
The phage virus attaches itself with bacteria and drills the bacterial cell wall by the neck and pushes the genetic material inside as a mode of infection.
What happens during prophase?
Answer: The cell increases in size and chromatin condenses into chromosomes
Explanation:
2. What is the difference between consumers and producers?
3. How are primary consumers, tertiary consumers and secondary consumers related? To earn full credit, you
must explain how they interact with each other.
4. Does the arrow point to the predator or the prey in a food web?
5. Read the descriptions and identify each organism by their trophic level
Shrew - a large wetland rodent that gets its energy from small insects.
Snake - a carnivorous wetland reptile that gets its energy from eating rodents and frogs
Marsh grass - a wetland grass that, like all plants, gets its energy from the sun. This plant provides energy for
insects in the wetland food web.
Frog -- An amphibian hat mainly gets its energy from hunting insects
Hawk - A top wetland predator which gets its energy from large wetland organisms such as snakes and shrews.
Grasshopper - a wetland insect that gets its energy from plants
Tertiary Consumers
and Higher
Secondary Consumers
2. Producers are autotrophs while the consumers are heterotrophs in nature.
3. The primary consumers are the herbivores who get food from the producers, primary consumers are eaten by secondary consumers, they are carnivores and eventually, secondary consumers obtain their nutrition from secondary consumers. Secondary consumers can eat both omnivores and carnivore as their energy source.
4. Arrow point is at the predator
prey⇒predator.
5 marsh grass (producer) is eaten by grasshopper (primary consumer), is consumed by shrew or frog (secondary consumer) are eaten by snake (tertiary consumer) is eventually consumed by hawk (higher consumer k/a the axial consumers).
It is to be noted that hawk can consume both snake and frog. Also, frog can prey upon shrew.
Explanation:
2.Producers are green plants and some bacteria which can manufacture their food from sunlight, they are the one who initiates the food chain.
The heterotrophs get their nutrition from these plants and chain continues to be axial consumers.
3. In this hierarchy the energy is being transferred in the upward direction. The biomass is also segregated in the same hierarchy. This chain is necessary to maintain the stability of the ecosystem.
2)
Substance Specific Heat (J kg-1 K-1)
Aluminum 900
Copper 390
Brass 380
Silver 230
Platinum 130
How many Joules of heat would be required to heat 0.5 kg of aluminum by 2K?
A) 300 J
B) 450 J
C) 900 J
D) 1800 J
Answer:
How many Joules of heat would be required to heat 0.5 kg of aluminum by 2K?
300J
Explanation:
Answer:
It's C) 900 J
Explanation:
USA Test Prep 2020
All cells have ____________, in eukaryotes it is stored in the _______.
Answer:
a plasma membrane and Eukaryotic cells have organelles surrounded by membranes. This includes mitochondria and a nucleus, where DNA is stored.
Explanation: