Answer:
Cyanide prevents the cells of the body from using oxygen. When this happens, the cells die. Cyanide is more harmful to the heart and brain than to other organs because the heart and brain use a lot of oxygen
which of the following statements is true?a) adp contains more energy than atp.b) following hydrolysis, atp can give off one phosphate, whereas adp cannot.c) adp can have two positive charges.d) atp can have four negative chargesa) adp contains more energy than atp.b) following hydrolysis, atp can give off one phosphate, whereas adp cannot.c) adp can have two positive charges.d) atp can have four negative charges
Adenosine triphosphate (ATP) and adenosine diphosphate (ADP) are two compounds found in the human body. ATP and ADP are both nucleotides, which are organic molecules that are essential to life. The correct answer is b) following hydrolysis, atp can give off one phosphate, whereas adp cannot.
The answer b) following hydrolysis, ATP can give off one phosphate, whereas ADP cannot is the only true statement among the choices provided above. ATP is a high-energy molecule that contains three phosphate groups. When ATP is broken down by the removal of a phosphate group, it releases energy. This occurs in the cell when ATP is converted to ADP (adenosine diphosphate) by the loss of one of its phosphate groups
.ATP and ADP differ by the number of phosphate groups. ATP has three phosphate groups while ADP has two. When ATP loses one phosphate group, it becomes ADP. ATP is transformed into ADP as it is broken down, and ADP is transformed back into ATP as it is synthesized.
Hydrolysis of ATP to ADP is an example of an exergonic reaction since it releases energy.
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can you identify the different ways in which populations grow? to review types of population growth, watch this bioflix animation: population ecology.
There are several different ways in which populations can grow. One common type of growth is exponential growth, which occurs when the population grows at an increasingly rapid rate over time.
Another type of growth is logistic growth, which occurs when the population reaches a carrying capacity and begins to stabilize. Additionally, populations can also grow through immigration (the movement of individuals into a population) or through births. Overall, there are many different factors that can influence population growth, and understanding these factors is important for predicting and managing population dynamics. To learn more about these different types of population growth, I recommend checking out the bioflix animation on population ecology.
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According to the results for Patient 4 shown above, which antigens were present in Patient 4’s blood? Check all (if any) that apply. A antigen B antigen Rh antigen
Any substance that triggers the production of antibodies by your immune system is referred to as an antigen.
What is antigen?This indicates that your immune system is attempting to combat the chemical because it does not recognize it.
A substance from the environment, such as chemicals, germs, viruses, or pollen, can behave as an antigen. Inside the body, an antigen may also develop.
Antigens are typically proteins or sugars (polysaccharides) that are present on the surface of various entities, such as viruses or cells. Your immune system recognizes each one by its distinctive shape to determine if it belongs in your body.
Therefore, Any substance that triggers the production of antibodies by your immune system is referred to as an antigen.
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why birds are kept in aves class.?
Answer:
This is mostly because there were several non-bird dinosaurs that had wings. One of these was the Caudipteryx.
this should help
Answer:
living species evolved from reptiles, not mammals. However, they have adapted to fly. Aves are warm-blooded species with scales on their feet.
True or false: Populations of a single species that connect those that are more geographically separated are often intermediate phenotypically when compared to the separated populations.
Answer:
This assertion is false since it depends on the type of selection exerted on the trait under investigation
Explanation:
Geographic isolation is caused by physical barriers such as, for example, rivers, mountains, longer distances, etc, which prevent the interchange of genetic material among populations of the same species. Over time, complete geographic isolation leads to genetic isolation among populations and the development of reproductive barriers, resulting in the separation in two species (speciation). Intermediate populations prevent speciation by enabling gene flow among populations. In consequence, intermediate populations often exhibit intermediate traits as a consequence of bidirectional gene flow; however, there are cases where a given trait is favored by non-directional selection, thereby favoring phenotypic values exhibited by marginal populations localized at the extreme distributional range of the species.
rough endoplasmic reticulum.
Answer:
Rough endoplasmic reticulum (RER), series of connected flattened sacs, part of a continuous membrane organelle within the cytoplasm of eukaryotic cells, that plays a central role in the synthesis of proteins.
The components of blood can be separated by spinning them at high speed.
Figure I shows a tube of blood that has been separated in this way.
Figure 1
substance X
white blood cells and platelets
red blood cells
- Identify the substance labelled X.
Answer:
Plasma
Explanation:
We don't have the figure, but I think the answer is probably plasma.
Blood plasma is the fluid that blood cells are suspended in. When blood is spun at high speed, the cells separate away from the plasma into different layers because of their different weights and shapes.
Plasma is liquid portion of blood. It transports nutrients and wastes and maintains homeostasis.
True or false.
The Kreb’s cycle is part of photosynthesis.
Answer: Yes
Explanation: The Kreb's cycle is the light independent reaction in photosynthesis.
Answer:
false
the crabs cycle is a part of cellular respiration
2.1explain the body's hormonal response to dehydration
Answer:
Vasopressin, a hormon is secreted by pituitary gland which is response to dehydration , causes kidney to excrete less water.
The body's hormonal response to the dehydration is the action of vasopressin in the kidney. The vasopressin decrease the work of the kidney and it leads to decrease the amount of water secreted by the kidney to save water in the body.
What is dehydration?Dehydration is a condition where there is less water present in the body. There are many reasons of dehydration, like drinking less water or diarrhea. All reactions of the body work by water. So loss of water severely affect the body.
The hormonal response to dehydration is the release of vasopressin by the pituitary gland of the body. The vasopressin saves water from the body to help body fighting with dehydration. It makes the kidney to filter less water.
Thus, the activation of vasopressin in the kidney causes the body's hormonal reaction to dehydration. Vasopressin lessens the kidney's workload, which causes a reduction in the amount of water the kidney secretes to conserve the body's water supply.
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the process that was most likely used to modify the plants traits and inctease their natural rubber production was?
The process that was most likely used to modify the plant's traits and increase their natural rubber production was genetic engineering.
Genetic engineering involves the modification of an organism's DNA, which is responsible for the expression of its traits. In this case, scientists would have identified the specific genes responsible for rubber production in the plant and modified them to increase their activity.
There are several techniques that can be used in genetic engineering, including CRISPR-Cas9, RNA interference, and gene editing. CRISPR-Cas9, in particular, is a popular technique that allows for precise and targeted editing of specific genes. This technique involves the use of an enzyme called Cas9, which acts as a pair of molecular scissors to cut the DNA at a specific location.
Once the genes responsible for rubber production have been modified, the plant can be bred to create a new variety that produces higher levels of rubber. This process is known as selective breeding and involves choosing plants with the desired traits and breeding them together to create a new, more productive strain.
In conclusion, genetic engineering is the most likely process used to modify the plant's traits and increase their natural rubber production. By targeting specific genes and altering their expression, scientists can create new plant varieties that are more productive and have greater commercial value.
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The fact that light can exert a pressure on matter suggests that it is made of particles called _____. photons electrons protons neutrons
Which Term means source of energy?
A. Carbohydrates
B. Carbon
C. Proteins
D. Lipids
E Nucleic acid
Some body please help me
Answer:
D. Lipids
Explanation:
A lipid is any of various organic compounds that are insoluble in water. They include fats, waxes, oils, hormones, and certain components of membranes and function as energy-storage molecules and chemical messengers.
Lipids are an efficient source of energy (9kcal per gram) that the body stores in relative abundance. They also play an important role as building blocks for cell membranes, hormones, and physiologically active substances.
What is the most reliable, accurate method for inferring phylogenetic relationships?
a. fossil evidence
b. direct observations
c. genetic sequencing
d. tested hypotheses
Answer:c. genetic sequencing
Explanation:
genetic sequencing s the most reliable, accurate method for inferring phylogenetic relationships.
What is DNA sequencing ?DNA Sequencing can be defined as the order of the four nitrogenous bases which make up the DNA molecule, the sequences define the scientists a kind of genetic information which is carried in a particular DNA segment.
scientists can use these sequence to analyze the stretches of DNA which contain genes and carry regulatory instructions that turn genes on or off.
The information of sequencing data highlight changes in a gene which may cause disease, it is the basis for the mechanism by which DNA molecules are copied during cell division.
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why are the methyl red and voges-proskauer tests often performed together?
The methyl red and voges-proskauer tests are often performed together as they are both part of the IMViC tests, which are used to identify bacteria. These tests are performed on the same bacterial culture to determine its ability to produce certain products and metabolites.
The methyl red test is used to determine whether the bacteria can produce and maintain acidic conditions. This is done by adding methyl red dye to the bacterial culture and observing the color change. If the bacteria produce enough acid to maintain a low pH, the color of the solution will remain red. On the other hand, if the bacteria produce less acid, the pH will increase, and the color will change to yellow.
The voges-proskauer test, on the other hand, determines the ability of bacteria to produce acetoin, which is a neutral end product of glucose fermentation. This test involves adding a mixture of alpha-naphthol and potassium hydroxide to the bacterial culture and observing the color change. If the bacteria produce acetoin, the solution will turn a reddish color, indicating a positive result.
By performing both tests together, we can differentiate between two groups of bacteria: those that produce acidic end products and those that produce neutral end products. This differentiation is important in identifying bacteria, as it helps us to narrow down the potential bacterial species and make a more accurate diagnosis. Therefore, performing the methyl red and voges-proskauer tests together provides a more comprehensive view of the bacterial metabolic capabilities and improves the accuracy of bacterial identification.
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why being heterozygous for sickle cell anemia in an area with high malaria rates is most beneficial when compared to homozygous dominant or recessive individuals.
help plssssssss
Answer:
Heterozygous people for sickle cell anemia are more resistant to the debilitating effects of malaria than the normal homozygous people.
Explain in your own words what the CSI effect is. Describe how it changes the perception of potential jurors. Would the CSI effect affect you as a juror? Why or why not?
(Not biology, it’s forensics)
Answer: To me the csi effect is a widely held idea among law enforcement and prosecutors that television series that posses forensic science may want the juror to encourage heavy use of forensic evidence in a case or may want more forensic evidence for convicting criminals of their crimes
Explanation:It could as I’d maybe want people to be properly convicted of their crimes …why ? A lot of people who go to prison are innocent all because of over looked evidence ….why not? Well a cause could be open for too long when ….it’s not that big of an issue
HURRY!! How does topsoil keep pollution out of our aquifers?
It acts as a water filter as groundwater moves through it
It actually adds additional pollution to the groundwater
People don't usually pollute soil, so water in those areas are safer from pollution.
Answer: it acts as a water filter as groundwater moves through it
Explanation:
Soil is a medium in which life is sustained through plant growth, the recycling of matter and nutrients, and the purification and cycling of water. Soil can act as a sponge to purify water, and thus plays a role in water quality.
What is a jet stream?
(Explanation question, test)
Answer:
Narrow bands of strong wind that generally blow from west to east all across the globe.
Answer:
Jet streams are fast flowing, narrow, meandering air currents in the atmospheres of some planets, including Earth.
Explanation:
The jet stream flows high overhead and causes changes in the wind and pressure at that level.
"DNA replication is not considered a semi-conservative process."
True or false
Answer:
False
Explanation:
Anyone know the answers to this?
3 concepts about carbohydrates?
Answer:
Monosaccharides, disaccharides, and polysaccharides. Polysaccharides, also called complex carbohydrates, are large non-polar molecules, and they are not hydrophilic.
The blood vessel that takes digested food molecules from villi to the liver is called_______.
Answer:
Lymph vessels (lacteals) within the villi absorb products of fat digestion and eventually lead to the bloodstream. From the small intestine, digested products travel to the liver, one of the body's most versatile organs.
Explanation:
Answer:
portal vein
Explanation:
The portal vein brings venous blood from the spleen, pancreas, and small intestine so that the liver can process the nutrients and byproducts of food digestion
What does it actually mean to take your pulse?
Answer:
to take a pulse it means that you're checking your heart rate( the number of times your heart beats.) so it would be lower when you are at rest and higher when you are doing activities like running or something like that.... I hope this helps
what is the need to remove carbon dioxide from the body
Answer: Because carbon dioxide causes toxification of blood which leads to the death of human beings
Explanation: Increased carbon dioxide in human blood causes a decrease in oxygen in the blood by binding itself to the hemoglobin which causes a decrease in oxygen in the blood thereby leading to hypoxia and necrosis of the tissues in the body causing myocardial infarction which leads to death.
In an article about saving the whales written by a marine biologist, which word might be used by the author to make you want to help with saving the whales?
Answer:
Endangered
Explanation:
Endangered species are organisms that are at risk of extinction if deliberate efforts are not made to conserve them due to a rapid decrease in their population.
Hence, if a marine biologist writes an article about saving whales and labels them as endangered species, all efforts should be geared towards saving the animals lest they go extinct and leave a vacuum in the functioning of the ecosystem. Every species have the critical roles they play in the functioning of the ecosystem and the extinction of any particular species represents a loss that might not be replaceable.
Answer:
endangered
i did the USAtestprep
what is the process of breaking down food to its smallest units in order for the nutrients to be absorbed?
Answer: digestion
Explanation:
Define the following:
a . Atom-
b. Proton-
c. Electron-
d. Neutron-
Answer:
(1) Atom: An atom is any particle of matter at its most basic level which contains at least one proton.
(2)Proton: A proton may be defined as that fundamental particle which carries 1 unit positive charge and has a mass nearly equal to that of hydrogen atom.
(3)Electron: An electron is a negatively charged subatomic particle. It can be either free (not attached to any atom), or bound to the nucleus of an atom.
(4)Neutron: A neutron is a neutral subatomic particle and is present in the nucleus of the atom. They are usually denoted by N and net charge associated with it is zero. It is present in the nucleus and proton and neutron together are called nucleons. Total number of protons and neutrons gives the atomic mass of an element.
Answer:
Atom- the basic building block for all matter
Proton- is a subatomic particle with a mass of 1 and a charge of +1
Electron- a negativity charged subatomic particle
Neutron- a subatomic particle with almost the same mass as a proton but has a neutral electrical charge
Explanation:
Hope this helps!
Found on any ventral cavity organ surface is called.
Answer:
I think visceral serosa.
Explanation:
Terms in this set (8) visceral serosa. found on any ventral cavity organ surface. parietal serosa.
i’ll mark brainliest
Answer:
1) Different
2) Different
3) The same
4) The same
Please don't forget to mark me brainliest!!!
The presence of wastes, such as plastic bags and motor oil, in lakes and streams miles away from developed areas, suggests that
a) ecosystems are interconnected and human action can alter ecosystem equilibrium
b) recycling programs have failed to conserve biotic resources
c) natural processes can alter ecosystem stability
d) direct harvesting practices have led to irreversible destruction of ecosystems
The correct answer to the given question above is option A) Ecosystems are interconnected and human action can alter ecosystem equilibrium.
The presence of wastes, such as plastic bags and motor oil, in lakes and streams miles away from developed areas, suggests that ecosystems are interconnected and human action can alter ecosystem equilibrium. Human actions, such as pollution, deforestation, and overfishing, have the potential to harm the environment, the plants and animals that live in it, and even human health. When ecosystems are impacted, the entire web of life is affected, including the air we breathe, the water we drink, and the food we eat.
Hence, we need to be mindful of our actions and take measures to minimize our impact on the environment.
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