Answer:
Muscle tissue from communicating with the brain
Explanation:
Answer:
Muscle tissue from communicating with the brain
Explanation:
Muscular dystrophy is the term used to describe a group composed of more than 30 diseases that directly affect the muscular system. These diseases are of a genetic nature and are directly linked to the X chromosome. As already mentioned, this group of diseases causes damage to the muscles and their progressive degeneration, in addition to their malfunction, because it prevents muscle tissue from communicating with the brain. .
These diseases are commonly present in men, although women are asymptomatic carriers of the defective gene responsible for the disease.
Question 11 (5 points)
A family of elements that contains the most reactive metals is the___
noble gases
alkaline earth metals
alkali metals
transition elements
Answer:
alkaline earth metals
Which two characteristics do all animals have?
O They are symmetrical and heterotrophic
O They are heterotrophs and have a backbone.
O Their cells have a nucleus and membrane-bound organelles.
O They have a backbone, and their cells have membrane-bound organelles.
The answer is the third option "Their cells have a nucleus and membrane-bound organelles." All animals have cells and each cell has a nucleus the organelle that controls all of the other organelles, and the cell membrane which protects the cell. Just like how all plant cells have a cell wall to protect the cell.
Hope this helps.
The two characteristics that all animals have in common is : ( C ) Their cells have a nucleus and membrane-bound organelles
Characteristics of animalsEvery animal posses a cell which is made of various organelles such as the nucleus which contains all the vital information such as DNA and a membrane-bound organelle which protects and shapes the cell. therfore the common characteristics of animals re the possession of nucleus and membrane bound organelles.
Hence we can conclude that the two characteristics that all animals have in common is Their cells have a nucleus and membrane-bound organelles.
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A group of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. If the mitochondria were unharmed, what would happen to the overall function of the plant cells?
A.
The cells would not be able to make food, but would be able to release energy from biomolecules.
B.
The cells would not be able to replicate DNA, but would be able to break down waste.
C.
The cells would not be able to break down waste, but would be able to replicate DNA.
D.
The cells would not be able to release energy from biomolecules, but would be able to make food.
Answer:
Its A
Explanation:
Which statement best explains why the development of a new area of science can lead to changes in a theory?
A. A new area of science attracts new scientists who study old theories for flaws.
B. A new area of science promotes experimentation from a different point of view.
C. A new area of science allows old theories to be reworded using new terminology.
D. A new area of science encourages scientists to replace old theories with modern ones.
The statement that best explains why the development of a new area of science can lead to changes in a theory is a new area of science promotes experimentation from a different point of view (Option B).
Scientific knowledge, i.e., knowledge of the real world obtained by using the scientific method, allows us to obtain empirical evidence and raise new questions to explain new observations/facts.Thus, empirical evidence can in turn be used to develop new hypotheses in order to explain new observations.Subsequently, hypotheses can be tested (either confirmed or rejected) by experimental and/or observational procedures. Finally, when new knowledge is big enough (well sustained) in itself, it allows us to develop new theories based on a body of empirical knowledge and it can be used in different scientific fields.In conclusion, the statement that best explains why the development of a new area of science can lead to changes in a theory is a new area of science promotes experimentation from a different point of view (Option B is correct).
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What information does a food pyramid describe that a food web does not?
Answer:
“Food chain” and “food web” relate to the ecological cycle of life in which one species eats another to survive. While a “food pyramid” is used to describe the ideal balanced diet for a human being.
Explanation:
where did the Louis XVL try to get money from
Answer:
Palace of Versailles
Explanation:
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Choose the best explanation of the difference between evolution and natural selection.
Which image models the action of the enzyme helicase in the DNA replication process?
The action of the enzyme helicase in the DNA replication process can be best represented by a zipper. Therefore option B is correct.
Helicase is responsible for unwinding the double-stranded DNA helix by breaking the hydrogen bonds between the complementary base pairs.
Like pulling apart the teeth of a zipper, helicase separates the two DNA strands, exposing the template strands for replication.
This unwinding is a crucial step as it allows the DNA replication machinery to access the individual strands and create new complementary strands.
The analogy of a zipper accurately captures the dynamic and sequential nature of helicase's role in DNA replication.
Therefore option B is correct.
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Your question is incomplete, but most probably your full question was,
Which image models the action of the enzyme helicase in the DNA replication process?
A. a sewing machine
B. a zipper
C. a glue stick
D. a copy machine
Which is a requirement for natural selection to occur?
heritable variations for some traits
the ability of an organism to improve a trait during its lifetime
equal probability of survival for all offspring
fewer offspring than the environment can support
Answer:
A.Explanation:
HERITABLE VARIATIONS FOR SOME TRAITS.Which mineral test is shown in the image?
Hardness mineral test is shown in the image. The right answer is c.
The hardness of a mineral is a measure of its resistance to scratching or abrasion. It is one of the fundamental physical properties used to identify and classify minerals. The most commonly used scale for testing mineral hardness is the Mohs Scale of Hardness, which was developed by Friedrich Mohs in 1812.
The scale ranks minerals from 1 (the softest) to 10 (the hardest) based on their ability to scratch each other. Talc, with a hardness of 1, is the softest mineral and can be easily scratched by a fingernail while Diamond, is at the top of the scale with a hardness of 10, is the hardest mineral and can scratch all other minerals.
The correct answer is option c.
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The question seems incomplete. The complete question is:
Which mineral test is shown in the image?
a. Public Domain
b. Specific gravity
c. Hardness
d. Cleavage
What hypothesis did Miller-Urey test in their experiment?
Answer:
Oparin's hypothesis
Explanation:
In which type of exercise would fat reserves be used to create ATP
2.) Would a plant grow better in a room painted blue or in a room painted green? Explain your answer.
Answer:
A blue room
Explanation:
Green light is the least effective for plants because they are themselves green due to the pigment Chlorophyll.. Blue light helps encourage vegetative leaf growth, and red light encourages flowers. this happens because the amount of blue, red and far red spectrum of light that reaches the planet changes with the seasons. As days start to get longer, more blue spectrum light reaches the surface of the earth. This initiates a vegetative growing stage for most plants leading into the spring and early summer. As the days start to grow shorter, and more of the red and far red spectrum reaches the surface, it leads into the late summer and fall reproductive season.
The Punnett square above shows a cross between two sweet pea plants in Mendel's greenhouse. Both parents have blue flowers (Bb). Which statement describes the offspring expected from this cross? A) 50% white-flowered and 50% blue-flowered B) 75% white-flowered and 25% blue-flowered C) 75% blue-flowered and 25% white-flowered Eliminate D) 100% blue-flowered and 0% white-flowered
Answer:
C) 75% blue-flowered and 25% white-flowered Eliminate
Explanation:
A square representation of a cross between the gametes of the parent allele for a specific trait is called a Punnett square. A cross between a single trait among the parental generation is called a monohybrid cross.
75% blue-flowered and 25% white-flowered is expected from this cross.
The Punnett cross between the flowers can be explained as:Given,
The allele for the blue parent plant = Bb
See the attached image below for the cross.
Phenotypic ratio = 2:1Genotypic ratio = 1:2:1The physical attribute of flower colour will be seen as 75 % blue coloured and 25% white coloured flower as the cross was between two heterozygous species.
Thus, option C. 75% blue-flowered and 25% white-flowered will be observed.
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plants follow fall what domain
bacteria follow fall what domain
animals and fungi fall under what domain
Answer:
Plants are under the Eukarya,
Bacteria fall under Bacteria,
and Animals/Fungi lie under Eukarya as well
Explanation:
Decide whether each statement describes the life cycle of a low-mass star or a high-mass star.
When a _____-mass star leaves the main sequence, it becomes a red giant before creating a planetary nebula and becoming a white dwarf.
When a _____-mass star leaves the main sequence, it becomes a red supergiant before creating a supernova and becoming either a neutron star or black hole.
Answer:
For the first blank ; low
For the second blank ;high
Explanation:
When a low-mass star leaves the main sequence, it becomes a red giant before creating a planetary nebula and becoming a white dwarf.
When a high-mass star leaves the main sequence, it becomes a red super-giant before creating a supernova and becoming either a neutron star or black hole.
Answer: "Low mass star" and 'High mass star"
Explanation: A low mass star is one whose mass is less than half of the sun's entire mass. Here, the size is very small, temperature is very much cold and exist for a quite long period of time. It eventually dies out becoming a white dwarf, after exiting the main sequence.
A high mass star is the one whose mass is thrice more than the sun's entire mass. Here, the size is very big, temperature is significantly high and exist for a shorter period of time. It subsequently becomes a reddish colored enormous star and dies out forming a black hole or it could form a neutron star, after coming out of the main sequence.
Can nonrenewable resources be used sustainably?
A. Yes, nonrenewable resources are always beneficial for the environment
B. No, there are only negative effects of using nonrenewable resources
C. No, there's a finite amount of nonrenewable resources
D. Yes, as long as use doesn't exceed availability
is the correct answer
D. Yes, as long as use doesn't exceed availability
Answer:
C
Explanation:
we know non renewable resources once used up can't be replenished, the question of can it be used sustainably certainly does not present a good picture of its use. It is certainly more difficult to replace such resources.
D. Yes, as long as use doesn't exceed availability.
Nonrenewable resources, such as fossil fuels (coal, oil, natural gas) and minerals (like metals), are finite in nature and cannot be replenished over short timescales. However, they can be used sustainably if their extraction and consumption rate do not exceed their natural rate of formation or replenishment over geological timeframes.
Option D is the correct statement because it highlights the possibility of using nonrenewable resources sustainably by ensuring that their usage does not deplete them faster than they can naturally be replaced. Sustainable use involves managing the extraction and consumption of nonrenewable resources in a way that considers their finite nature, seeks efficiency in utilization, and promotes the development and adoption of alternative, renewable, or more sustainable energy and material sources.
On the other hand, options A and B are incorrect. Nonrenewable resources can have both positive and negative effects depending on their usage and management. While they have been essential in driving modern industrial development and economic growth, their use is associated with environmental impacts like greenhouse gas emissions, air and water pollution, habitat destruction, and climate change.
Option C is partly true as nonrenewable resources are indeed finite, and their quantities are limited. However, just because they are finite doesn't mean they cannot be used sustainably. Sustainable use involves making informed decisions about their utilization, maximizing efficiency, and exploring alternatives to ensure a balance between meeting current needs and conserving resources for future generations.
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The product of -2 and a number is at most 10.
Find the possible numbers.
Ons-5
On>-5
On<-5
AVN
on2-5
| |
Answer:
n > -5
Explanation:
Start with -2n < 10. Then you isolate the variable to end up with the above answer. This is so because WHENEVER you divide or multiply by a negative, you reverse the inequality sign.
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4 points
What causes an ionic bond?
Answer:
A positive ion is attracted to a negative ion
Explanation:
Answer:
when the valence of one atom, combined with another atoms valence
Explanation:
atoms want a full outer circle in there electron cloud, which is eight. so if two atoms have less than eight they bond to combine there outer electrons.
Which of these is one of the nitrogenous bases in DNA?
Four locations on Earth receive sunlight at different angles. At which of the following angles will the intensity of sunlight received be the least? 90° 75° 50° 25°
Answer:
25°
Explanation:
The Intensity of sunlight is greatest when the sun is overhead, that is when the sun is directly above, thus the rays strike the surface at right angles. In this way the intensity of sunlight will be concentrated over a smaller region compared to when the rays strike the surface at a much smaller angle like 25 degree.
Answer:
25°
Explanation:
The intensity of solar reaches the earth with greater intensity when the sun is in a position that allows the sun's rays to reach the earth at right angles. This is possible when the sun is well above the earth, at a 90º angle. The farther from this angle, the lower the intensity of the sun's rays on the earth, in that house, when the sun is at 25 ° the intensity of the sunlight received will be less.
Which of the following is not associated with invasive species?
explain how most of the electricity produced in the U.S
Answer:
According to the U.S. Energy Information Administration, most of the nation's electricity is generated by coal, natural gas, and nuclear energy. Electricity is also produced from renewable sources such as hydropower, biomass, wind, geothermal, and solar power.
Answer:
water or garbage
Explanation:
I was watching toy story and like the garbage thing they were going into the teddy bear said it made power also I was watching a africa show and they explained how water powered their city sorry if I am wrong.
one characteristic of living things is their ability to change and adapt over time true or false
Answer:
false
Explanation:
One characteristic of living things is they can't change and adapt over time.
the answer would be false
Cells are surrounded and protected by
Answer:
The phospholipid layer surrounds the cell and protects it from the outside environment.
Explanation:
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What is a difference between systemic and pulmonary circulation? A. Systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. B. Systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. C. Systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. D. Systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.
Your answer would be D, Systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.
These two circulations are part of the circulatory system, with the pulmonary circulation taking deoxygenated blood to the lungs and returning it oxygenated with the oxygen we breathe in, then that oxygenated blood going around the body delivering that oxygen and coming back deoxygenated.
Hope this helped!
In pulmonary circulation, deoxygenated blood is pumped from the heart's right ventricle, while in systemic circulation, oxygenated blood is pumped from the heart's left ventricle. thus option D is correct.
What are pulmonary and systematic circulation?Pulmonary circulation begins with the right ventricle sending deoxygenated blood to the lungs, where it is oxygenated before returning to the heart in the left atrium. while in the systemic circulation, oxygenated blood is pumped from the heart's left ventricle.
The pulmonary circulation's major purpose is to exchange gases (CO2 and O2) between the blood and the air.
The vascular system that distributes blood from the left ventricle to all of the body's tissues is known as systemic circulation.
The systemic circulation is in charge of maintaining a consistent blood flow via the capillaries in order to facilitate nutrient diffusion.
Finally, deoxygenated blood is pumped from the right ventricle of the heart in pulmonary circulation, whereas oxygenated blood is pushed from the left ventricle in the systemic circulation.
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6. Which statement about seagulls and sea stars is true?
A Seagulls are the prey of sea stars.
B Sea stars are the prey of seagulls.
O
C
Sea stars are the predators of seagulls.
D Sea stars are the hosts of seagulls.
Answer:
B. Sea stars are the prey of seagulls
Explanation:
Seagulls eat sea stars, meaning that sea stars are their prey (the organism that is eaten).
Predator: an organism that eats (preys on) another organism
Prey: an organism that is eaten by another organism (creatures can be both predator and prey. For example, a rabbit is a predator to grass, while they are prey to foxes)
Host: An organism that is fed on by a parasite. Think of a dog with a tick. The dog is the host, the tick is the parasite.
Incorrect answers (and why):
A. Sea stars do not eat seagulls
C. If a sea star was a predator to a seagull, that would mean that they eat seagulls. They do not.
D. A host is an organism that a parasite preys on. Not only are sea stars not parasites, but they definitely do not prey on seagulls.
I hope this helps! :)
Which macromolecule forms a double layer as the primary structure of cell membranes?
A.fats
B.oils
C.phospholipids
D.steroids
Phospholipids form a double layer that acts as the primary structure of cell membranes. They align naturally in a bilayer due to their unique structure, where one part is attracted to water while the other part is repelled.
Explanation:The macromolecule that forms a double layer as the primary structure of cell membranes is phospholipids. These are a type of fat molecule that has a phosphate group in its structure. They have a unique property, where one part of the molecule is attracted to water (hydrophilic) and another part is repelled by water (hydrophobic). In a water-based environment, phospholipids naturally arrange themselves in a double layer, or bilayer, with their hydrophilic phosphate heads facing the water and their hydrophobic fatty acid tails tucked away in the middle. This double layer forms a barrier that separates the inside of a cell from its surrounding environment, hence forming the primary structure of cell membranes.
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why nostoc is called blue green algae?
Answer:
Explanation:
They contain the photosynthetic pigments photo cyanin (blue) & chlorophyll (green)
Nostoc is called blue-green algae because it belongs to the group of cyanobacteria, often known as 'blue-green algae'. These organisms are classified under Phylum Cyanobacteria and can be found in various habitats like soil, ponds, and wet environments.
Which shows the levels of organizational hierarchy listed from least complex to most complex?
Answer:
That would be organism, species, and then community.
Explanation:
Answer:
Biosphere, community, organism
Explanation: