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Related Questions
Which of the following is not true of energy in a cell?
The cell must have energy to maintain homeostasis.
O Energy can be created by the cell.
O The cell uses mostly chemical energy.
O Energy can be converted by the cell.
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Answer:
I think is the top one A hope this helps
Cells have a different function it can convert chemical energy to another form of energy to maintain homeostasis, and cells cannot create energy only change the form of energy, hence option b is correct.
What is the energy of the cell?Every cell must continue to check its levels of energy and adjust ATP production rates in line with metabolic demand in order to keep homeostasis.
The ability of cells to sense, and convert nutrients into chemical energy is essential for the continuous fulfillment of this energy demand.
To drive metabolic reactions that would not happen automatically, to transfer necessary substances across membranes, and to do mechanical work, such as moving muscles, cells need chemical energy.
Therefore cells use energy to maintain homeostasis and can change one form of energy into another but can not create energy, hence option b is correct.
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During the final stages of human gestation, receptors for the hormone oxytocin increase onthe smooth muscle cells of the uterus. The release of oxytocin during labor stimulates thesmooth muscle tissue in the wall of the uterus. The vigorous contraction of the uterine smoothmuscle helps push the baby through the birth canal so that delivery can occur. This processinvolves the interaction of which organ systems? *
A)Endocrine and muscular only
B)Endocrine and reproductive only
C)Endocrine, muscular, and reproductive
D)Endocrine, reproductive, and excretory
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Answer:
im not sure
Explanation:
How does air flow when a low-pressure center occurs in the atmosphere?
Answers
Answer:
A low pressure system has lower pressure at its center than the areas around it. Winds blow towards the low pressure, and the air rises in the atmosphere where they meet. As the air rises, the water vapor within it condenses, forming clouds and often precipitation.
Explanation:
I WILL MARK YOU BRAINELEST IF YOU GET THE QUESTION RIGHT. What type of plate boundary may have existed in Pennsylvania in the distant past? Explain your reasoning.
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Answer:
yo hablo español pasame la actividad en español para ayudarte
which of the following are key elements of darwin's theory of evolution by natural selection?
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Answer:
Independent assortment and crossing over contribute to diversity within a population's gene pool. These processes occur during meiosis and result in the recombination of DNA.
Explanation:
♥☺ hope it helped
The three pillars of Darwin's theory of evolution are genetic variety, fitness, and adaptation. Overproduction and competition are other crucial components of this process.
What Darwin's theory of evolution by natural selection?Charles Darwin's theory of evolution is known as natural selection. Due to the limited supply of resources in nature, animals have inherited traits that aid in both survival and reproduction.
Typically, produce more offspring than their contemporaries, leading to an increase in the frequency of such traits across successive generations.
Natural populations exhibit variation, and every population has more offspring than the environment can support. The result of this Overproduction is that those people who have the highest level of environmental genetic fitness will have offspring who are better able to compete in that environment.
Therefore, Genetic variation, fitness, and adaption are all factors in Darwin's theory of evolution.Overproduction and competition are other crucial components of this process.
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Choose one of the statements below that is true
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explain photosynthesis in 3 stages (you may include more) you must use the following vocabulary words in your written explanation and underline them:chloroplasts chlorophyll stomata oxygen carbon dioxide raw material, products, glucose) sure to Define and state carbon dioxide role in the process and explain oxygen and why it's a byproduct
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Answer:
Write one page about something that happened to youWith interest Grammar
The process by which plants convert carbon dioxide, water, and sunshine into oxygen and sugar-based energy is known as photosynthesis.
What is Photosynthesis?Plants absorb water (H2O) and carbon dioxide (CO2) from the soil and atmosphere during photosynthesis. Water is oxidized, which means it loses electrons, while carbon dioxide is reduced, which means it receives electrons, inside the plant cell.
Water is converted into oxygen and carbon dioxide into glucose as a result. After storing energy within the glucose molecules, the plant releases the oxygen back into the atmosphere.
Light-dependent reactions and light-independent reactions are the two main stages of photosynthesis. The light-dependent reaction, as its name implies, occurs inside the thylakoid membrane and necessitates a constant supply of sunshine.
Therefore, The process by which plants convert carbon dioxide, water, and sunshine into oxygen and sugar-based energy is known as photosynthesis.
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check out the image
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Answer:
Some parts of an ecosystem may never recover after a oil spill
Why can the River Nile be seen from space?
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Which of the following describes the most likely way in which two water molecules will interact?
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
A covalent bond will form between the hydrogen of one water molecule and the oxygen of the other water molecule.
(Choice B)
B
A metallic bond will form between the hydrogens in each water molecule.
(Choice C)
C
A hydrogen bond will form between the hydrogen atom of one water molecule and the oxygen atom of the other water molecule.
(Choice D)
D
An ionic bond will form between the oxygens in each water molecule.
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Answer:
C. A hydrogen bond will form between the hydrogen atom of one water molecule and the oxygen atom of the other water molecule.
Explanation:
Hydrogen bonds form between the hydrogen atom of one water molecule, and the adjacent water molecule of another water molecule, due to attraction between the positive and negative charges. This is called cohesion, and results in weak bonds between water molecules which constantly break and reform.
Reproductive cells in humans are also called
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Answer:
They could be called Gametes as they are inside the reproductive cells.
Answer: gametes
Explanation: :)
22. Identify the major parts of the environment. How do they relate
to the biosphere? (2 points)
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Answer: Parts of the lithosphere, hydrosphere, and atmosphere make up the biosphere. The lithosphere is the outermost layer of the Earth's crust; essentially land is part of the lithosphere.
Explanation:
the oil layer prevents the entry of air into glucouse explain why is this necssary
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Are all cells the same size?
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Same shape, but not the same size.
Answer:
All cells are a similar shape, yet not all cells are a similar size.
Explanation:
Evolution occurs due to changes in time of the allele frequencies within a population.
True
False
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Si las frecuencias permanecen constantes de una generación a la siguiente, la población no experimenta un cambio evolutivo.
If the frequencies remain constant from one generation to the next, the population does not undergo evolutionary change.
How do plants in the desert behave to attract pollinators?
A: They don't bloom.
B: They bloom at night.
C: They bloom day and night.
D: They bloom during the day.
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Answer:
C: They bloom day and night
Hello
They bloom at night
Explanation:
I just took the K12 test
1. The barnacles secrete a cement-like substance that anchors them to rocks in the
a. Intertidal Zone
b. Mangrove Forests
C. Pond Area
d. Tropical forests
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All of the following are TRUE except:
a. The environment contains all the materials and energy needed for living organisms to carry out their life activities
b. Living things and their environment affect each other
c. Ecology examines how everything is connected
d. Non-living things cannot affect living things in an environment.
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Answer:
d
Explanation:
How many humans are there in india?
Answers
Answer:
1.38 billion peoples
Explanation:
in 2020 is the estimated total population in India amounted to approximately 1.38billion people
Answer:
1.38 billion people are there
A high rise condominium is planned for a barrier island that lies off the southwest coast of Florida. Which of these predictions could be made about the impact this construction will have on the sustainability of the coastal ecosystems?
Group of answer choices
Predators will abandon the habitat as humans are the top predator in any ecosystem.
The ecosystem will be destabilized as abiotic resources like available space are reduced.
The costal ecosystem populations will decline until new species evolve that are adapted to live new humans.
Key species found on the barrier island will move to a new habitat.
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Answer:
The ecosystem will be destabilized as abiotic resources like available space are reduced.
Key species found on the barrier island will move to a new habitat.
Explanation:
Due to living of humans on the barrier Island with adversely affected the organisms present on that Island because the loss of habitat occur due to living of humans and the important species migrated to other habitats where no humans are present. So this action greatly change the environment of barrier Island and the ecosystem will be destabilized.
Which is a best practice to help conserve the natural environment?
Apply water daily, whether it has rained or not.
Capture methane gas emissions from manure and use it as natural gas.
Dispose of manure in landfills.
Do as much tilling as possible.
Answers
Answer:
Capture methane gas emissions from manure and use it as natural gas.
Explanation:
Capturing methane gas emissions from manure and using it as natural gas is a best practice to help conserve the natural environment. Hence, option B is correct.
What is natural gas?Although ethane, propane, butane, and pentane are present in trace amounts, methane makes up the majority of natural gas. Four hydrogen atoms and one carbon atom make up the methane molecule. In homes across the United States and much of the rest of the world, natural gas has slowly risen to the top of the energy usage list. Compared to more conventional fossil fuels like coal and other hydrocarbons like crude oil, it is more efficient.
Natural gas is used in the business sector to heat buildings and water, run refrigeration and cooling systems, cook, dry clothing, and provide outdoor lighting. Natural gas is sometimes used as a fuel in combined heat and power systems by some commercial consumers.
Capturing methane gas emissions from manure and using it as natural gas is a best practice to help conserve the natural environment. Hence, option B is correct.
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Which of the following is true about natural selection?
O It can only act on traits that are heritable and show variation
o It allows species to choose what adaptations are passed onto offspring.
O It always favors large, strong individuals.
o It acts on individual organisms, helping them become better adapted to their environment.
Answers
Answer:
A
Explanation:
describe the picture
Answers
Which apparatus allows us to appreciate the cell internal structures more clearly?
Answers
Answer: a light microscope is likely the answer they are after (can get to micrometer range)
an electron microscope is even more powerful it can get into the nanometer range
Explanation:
PLEASE HELP!!!
In the space below, discuss some of the advantages and disadvantages of asexual and sexual reproduction. Compare and contrast individuals that are sexually and asexually reproduced. Use complete, meaningful sentences to explain the information you give as your answer.
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Answer:
The advantages of sexual reproduction:
produces genetic variation in the offspring
the species can adapt to new environments due to variation, which gives them a survival advantage
a disease is less likely to affect all the individuals in a population
In asexual reproduction there is only one parent. The offspring are clones of the parent and each other.
The advantages of asexual reproduction include:
the population can increase rapidly when the conditions are favourable
only one parent is needed
it is more time and energy efficient as you don't need a mate
it is faster than sexual reproduction
The disadvantages of sexual reproduction:
time and energy are needed to find a mate
it is not possible for an isolated individual to reproduce
The disadvantages of asexual reproduction include:
it does not lead to genetic variation in a population
the species may only be suited to one habitat
disease may affect all the individuals in a population
Explanation:
a chromosome that is not a sex chromosome
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Answer:
There are 22 pairs of chromosomes that are not sex chromosomes (called nonsex chromosomes, numbered chromosomes, or autosomal chromosomes)
disease caused by eating undercooked pork painting parasites roundworm larvae
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Answer:
I believe the disease is called trichinosis.
Explanation:
In which stage of meiosis has DNA undergone some type of mixing?
o before DNA replication
O after DNA replication
O during meiosis
O during meiosis II
Answers
Answer:
l think it's answer is
after DNA replication
Answer:
suppose it's item c
Explanation:
because In meiosis I, we face the process of cross over which some of the genes would be transfered.
2) Which substance is a product of photosynthesis?
A)
C)
Nitrogen
Glucose
B)
D)
Water
Carbon dioxide
Answers
Answer:
Product of photosynthesis is Glucose
What are the functions of hormones in plants?
Answers
Answer:
There are many things that hormones do to plants.
Explanation:
First, they can help the growth of the plant, they can also help the plant respond correctly to other natural stimulus like weather or a change in temperature. They also help in cell division.
