Biology, 07.12.2019 01:31 kajjumiaialome
Hiv is the virus that causes aids. in the mid-1990s, researchers discovered an enzain protease. once the enzyme's structure the active site and block it. if this strategy for stopping hiv infections were successful, it would be an example of what phenomenon? was known, researchers began looking for drugs that would fit into a noncompetitive inhibition b. denaturation c. allosteric regulation d. competitive inhibition
Answers: 2
Biology, 21.06.2019 21:00
Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria
Answers: 1
Biology, 21.06.2019 22:50
Parasitism could be considered a form of which of these types of relationships? -mutualism -commensalism -predator-prey -mimicry
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Biology, 22.06.2019 02:00
The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.
Answers: 1
Biology, 22.06.2019 07:00
Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.
Answers: 1
Hiv is the virus that causes aids. in the mid-1990s, researchers discovered an enzain protease. once...
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