How do energy conversions make a car go down the street?
A. The stored energy of the gasoline is converted to heat, and then to the stored energy of the car.
B. The kinetic energy of the gasoline is converted to heat, then to kinetic energy of the car.
C. The kinetic energy of the gasoline is converted to heat, then to potential energy of the car.
D. Potential energy is stored in gasoline, which is converted to heat, then to the kinetic energy of the car.
How are the foods that we eat and atp related? how is atp used in organisms?
List three factors that could affect the reproductive potential of these maple trees
The reproductive potential of maple trees can be influenced by factors such as abiotic factors (weather, pollution), the effects of climate change (changing temperatures and precipitation patterns), and competition for nutrients and sunlight.
Explanation:Three factors that could affect the reproductive potential of maple trees include Abiotic Factors, Climate Change Effects, and Competition for Nutrients.
Abiotic Factors
Abiotic factors, often physical or chemical in nature, include weather, natural disasters, and pollution. These factors can influence the population regardless of its density. For example, a severe frost during the flowering period can destroy the flowers of the maple trees, reducing their reproductive potential.
Climate Change Effects
Changing temperatures and precipitation patterns due to climate change can have significant impacts on the reproductive potential of maple trees. For example, Researchers have shown that many plant species are flowering earlier as a response to changing climate, and this mismatched timing could impact the ability of maple trees to successfully reproduce.
Competition for Nutrients
Lastly, competition for resources, particularly nutrients, and sunlight, can affect a tree's growth and ultimately its reproductive potential. For instance, if a maple tree is surrounded by other species of trees that are taller or have broader crowns, it might not receive enough light for photosynthesis, which can affect its growth and its ability to reproduce.
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Trans fats occur when _______________________.
When the fetal head begins to crown during an emergency precipitous birth, how should the nurse respond?
Which sedimentary rock is most likely to have been deposited in a very high-energy stream?
Answer:
Conglomerates
Explanation:
Gradpoint
A squirrel helps carry out a plant’s reproduction. Arrange the steps in the correct order, starting with successful pollination.
Answer:
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Explanation:
for Plato/Edmentum users!!
Non examples of vacuole
Which of the following does not accurately depict a scientific theory? A. Theories are tested over and over again. B. Theories are supported in many ways. C. Theories may be changed or replaced if new evidence is found. D. Theories are absolute truths.
D. Theories are absolute truths.
D. Theories are absolute truths.
Particles moving by saltation are transported in the _______ load.
Main sequence stars can be classified according to which characteristics
Stars are classified based on the spectral type (i.e. a means to measure the photospheric temperature and density by getting information about the ionisation state).
Under the Morgan–Keenan (MK) system using the letters O, B, A, F, G, K, and M, a sequence from the hottest (O type) to the coolest (M type) (Harvard Spectral classification based on the surface temperature of the stars). A luminosity class is added to the spectral class using Roman numerals (Yerkes Spectral classification). This is based on the width of certain absorption lines in the star's spectrum (0 or Ia+ - hypergiants, I - supergiants, II - bright giants, III - regular giants, IV - sub-giants, V - main-sequence stars, sd - sub-dwarfs, and D - white dwarfs).
About 0.3% of human live births are trisomic. in contrast, only 0.02% of human live births are monosomic. select the best explanation for why the occurrence of monosomics is less than that of trisomics.
Homo sapiens have 23 pairs of chromosomes what does this imply
How has the study of mitosis affected scientists’ knowledge of cancer?
It led to a study of how to induce cancer cells to divide more rapidly.
It led to an understanding of how cancer cells divide so rapidly.
It led to the development of contact-inhibition regulators.
It led to the discovery of how to prevent cancer cells from dividing.
The right answer is It led to an understanding of how cancer cells divide so rapidly.
A cancer (or malignant tumor) is a disease characterized by an abnormally large cell proliferation (tumor) in a normal tissue of the body, so that the survival of the latter is threatened.
Control points are programmed between each phase of the cell cycle to verify that the current process is proceeding normally.
This is an opportunity for the cell to identify the occurrence of possible abnormalities in its cell cycle and to trigger either an action of correction of these errors or its self-destruction (apoptosis).
If these errors are not repaired, they accumulate. It is this accumulation, over time, that is at the origin of cancer. It is considered that it takes about ten mutations for the phenomenon of cancerization to appear.
The anomalies that occur are genetic mutations, caused by errors during the replication - or reproduction - of the DNA, and therefore of the genes, when the cell divides.
In the majority of cases, these mutations occur on the DNA of a somatic cell of a particular tissue, for example, on the DNA of a colon cell.
It led to an understanding of how cancer cells divide so rapidly. Therefore, option (B) is correct.
Mitosis has helped scientists understand how cancer cells rapidly divide uncontrollably. Cancer is characterised by unregulated cell proliferation, which can result from mitosis disruption. Scientists have discovered cancer cell growth pathways and signalling networks by studying mitosis.
This understanding has helped discover cancer therapy targets and design medications that disrupt cancer cell division to reduce development and spread. Other choices may be relevant to cancer research, but they don't directly answer how mitotic research has changed cancer research. Therefore, option (B) is correct.
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The body is represented spatially along the somatosensory cortex and motor cortex. this mapping is called __________.
Medical procedure in which epithelial cells are scraped from another area of the body and examined microscopically
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The diagram above shows the formation of a Hydra offspring from the parent. Both parent and offspring look exactly the same. This is an example of
A) fertilization.
B) genetic variation.
C) sexual reproduction.
D) asexual reproduction.
What did Fermi mean when he said, "The reaction is self-sustaining"?
The force driving simple diffusion is _____, while the energy source for active transport is _____.
a. the concentration gradient; atp
b. phosphorylated protein carriers; atp
c. the concentration gradient; adp
d. transmembrane pumps; electron transport and. atp; phosphorylated proteins.
Answer:
The answer is A. The force driving simple diffusion is the concentration gradient, while the energy source for active transport is ATP.
Explanation:
For simple diffusion, the movements of solutes and solvents depend on the electrochemical gradient. Usually, there are no difficulties for this kind of diffusion as they can pass freely through the semi-permeable membrane. This includes water, oxygen, carbon dioxide, etc. To demonstrate, we put a glass of water with sugar particles in it and a semi-permeable barrier in between, with the left side having MORE sugar. Equilibrium must always be attained in this kind of reaction. So the water (solvent) will pass through the membrane, right to left, from a higher concentration to lower concentration of water, to attain equilibrium. This doesn't require ATP or energy to occur.
For active transport, ATP will always be utilized to occur. An example would be the Na+/K+ pump. In order to maintain equilibrium, these ions are supposed to travel in and out of a cell. But moving from a low concentration to a high concentration area is difficult without a pump and ions are too big to pass through the semi-permeable membrane. So that's why they utilize this kind of transport.
The force driving simple diffusion is the concentration gradient, while the energy source for active transport is ATP.
Explanation:The force driving simple diffusion is the concentration gradient, this means that particles will move from an area of higher concentration to an area of lower concentration. On the other hand, active transport is a process that moves particles from an area of lower concentration to an area of higher concentration. This process is against the concentration gradient and requires an energy source. The main source of this energy is ATP (Adenosine Triphosphate), a molecule that stores and provides energy necessary for intracellular activities. Hence, the correct answer is (a) concentration gradient; ATP.
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Which subfield of anthropology traces the history of human evolution in fossils?
Why do loss of function mutations in p53 often lead to mutations in other genes? see section 19.6 ( page 393) ?
During the second trimester, energy needs of pregnant women are ________ more kcalories per day than those of nonpregnant women.
The principle difference between point source and nonpoint source water pollution is _______.
a.
whether the pollution is organic or inorganic
b.
the number of sources of pollution
c.
the amount of pollution
d.
whether it is from commercial or agricultural source
The correct answer is option B
The main difference between the point source and non point source is the number of sources that is involved in them.
The point source can be defined as the pollution having a single source by which the pollution is coming out.
Non point source can be defined as the pollution having more than one source of pollution which combinely can be defined as non point source.
Chao is thinking about doing a project on plate tectonics for the school science fair. Which design would best relate to how the movement in the Earth’s mantle is related to plate motion?
Answer:
a flat shallow pan filled with a thick liquid that can be heated by a hot plate with pieces of thin plastic sheets floating on top of the liquid.
Explanation:
What does a marine fossil in a desert tell scientists?
A. marine fossil could not be found in the desert
B.the desert was always a desert
C.the area was once under water
D.marine life was once on land
Prosocial emotions are associated with what part of the brain
a person who drives under the influence of alcohol or drugs
Answer:
Is termed as DUI and such people are not able to take right decision
Explanation:
DUI stands for operating a vehicle /Driving under the influence of alcohol or drugs. This denotes a situation where person has ingested alcohol than the legally acceptable alcohol quantity.
In such condition, the driver is unable to handle the vehicle and his perceptions and response become slow due to which he feels unable to take right decisions at the right time.
did any plants survive the eruption if so how did they survive
Plants can survive volcanic eruptions through various mechanisms such as quick regeneration from roots, fire-dependent seed germination, and the presence of resilient underground stems.
Plants can survive volcanic eruptions by various means:
Many plants can grow back quickly from the roots after burning to the ground.Some plants produce seeds that need fire to germinate.Many plants have thick underground stems that can survive fires.Which of these cells of the dermal tissue of plants prevent water loss and control gas exchange?
A.phloem cells
B.companion cells
C.parenchyma cells
D.guard cells
The Energy Policy Act of 2005 emphasized two actions. The first was that the US has made improvements in energy conservation. What is the second? A) The US will continue to implement wind power alternatives. B) The US will stop fossil fuel development and switch to renewable resources by 2025. C) The US will continue to develop alternative energy sources. D) The US will concentrate on finding fossil fuel sources in the US instead of depending on foreign sources.