Almost all the energy used by living things comes from _____.
Answer: Sun
Explanation: Almost all the energy that is used by the organism on Earth is derived from the Sun. It is source of energy, power and heat which is used by the organism for various purposes.
The sun provides energy and sunlight for the process known as photosynthesis. This process provides food to the organism living in the ecosystem. Without this process there would be no energy source available to the organism.
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.
When is it necessary for a scientists to do research? Select all that apply. before forming a hypothesis only after a hypothesis is written after generating an idea from an observation when designing an experiment to test a hypothesis
The necessary steps a scientist do research are before forming a hypothesis, after generating an idea from an observation, when designing an experiment to test a hypothesis. Thus, options A, C, D are correct.
What is a research hypothesis ?When a hypothesis states something with expected outcome of a scientific study and are genuine called as research hypothesis.
These have three attributes such as specificity, testability and falsifiability.
First of all a research hypothesis must be specific to a topic, secondly it must be testable means that it must be able to collect observable data from scientific study.
Thirdly, hypothesis must be falsifiable, means some identifiable way to test the hypothesis is true or false.
For a good research hypothesis a background research should be done.
Other methodology should be implemented after generating idea from observation, a suitable scientific method should be implemented to test the hypothesis accurately.
Thus, options A, C, D are correct.
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In the scientific world, cold hard facts are often termed _____.
laws are your answer.
For example, "The law of gravity" says that whatever has more mass than air would be pushed downward, while those with less would be pushed upwards by the air.
Theory's on the other hand, are yet to be proven, but are generally accepted (such as the Theory of Evolution)
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Trans fats occur when _______________________.
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
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.
Humans are warm-blooded. They are able to maintain a constant body temperature despite changing environmental temperatures. Which part of the brain controls body temperature?
How are the foods that we eat and atp related? how is atp used in organisms?
Homo sapiens have 23 pairs of chromosomes what does this imply
Glycolysis occurs in what part of the cell
Glycolysis, the first step in both aerobic and anaerobic respiration, happens in the cytoplasm of the cell. It involves the breakdown of glucose into two molecules of pyruvate.
Explanation:Glycolysis is a part of cellular respiration that occurs in the cytoplasm of the cell. This process involves the breakdown of glucose, a six-carbon sugar molecule, into two three-carbon molecules of pyruvate. It is an anaerobic process, which means it can occur in the absence of oxygen. An important thing to remember is that glycolysis is the first stage in both aerobic and anaerobic respiration.
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A surgeon performs a high thoracotomy with resection of a single lung segment on a 57 year-old who is currently a heavy smoker who had presented with a six-month history of right shoulder pain that radiates to the chest. an apical lung biopsy had confirmed lung cancer. what cpt® and icd-10-cm codes are reported
Answer:
32484 (CTP) and C34.10. (ICD-10-CM)
Explanation:
Both CTP and ICD-10-CM are sets of codes used by healthcare professionals in the hospital setting. These codes are very useful for doctors, nurses and any other medical professional, because they reference all diseases, surgeries, procedures, applications and any other photor performed in the medical environment. These codes allow communication between professionals to be done faster and more universally, so professionals in any region of the world can understand what is happening to a patient.
In the case shown in the question above, the codes used would be 32484 in CTP and C34.10 in ICD-10-CM.
PLEASE HURRY IM GOING CRAZYYYYBFSEFUSHFBSEUFSUFKSBSE
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.
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.
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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A squirrel helps carry out a plant’s reproduction. Arrange the steps in the correct order, starting with successful pollination.
Answer:
hope this helps!! let me know if it is not rite!!
Explanation:
for Plato/Edmentum users!!
Which of the following best describes a consequence of clearing land for mining?
A- a greater risk of flooding and natural disasters
B- a decline in the diversity of species living in the area of the mine
C- reduced erosion as pits are created to collect sediment
D- increased soil fertility as nutrients are brought closer to the surface
Which subfield of anthropology traces the history of human evolution in fossils?
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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Which feature is common to all primates?
A. large brain relative to body size
B. upper body weight distributed over pelvis
C. pelvis rotated inward
D. two arches in foot
The correct answer is option A
The primates constitutes of an order within the placental mammals. This clade includes apes, large monkeys and non-human primates such as human beings.
All the primates have large brain relative to the body size. A capuchin monkey's brain will be around three times larger than that of the other animals of the same size. Humans have the largest brain size as compared to that of the other animals.
Prosocial emotions are associated with what part of the brain
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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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.
Non examples of vacuole
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.
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
A bird has two legs, two eyes, and feathers, and it uses its wings to fly in the sky. the organizing of this information about birds is known as a(n):
Which sedimentary rock is most likely to have been deposited in a very high-energy stream?
Answer:
Conglomerates
Explanation:
Gradpoint