Answer:
a. intragenerational
Explanation:
Intragenerational mobility by definition: refers to a person's social movements throughout his or her lifespan. It wouldn't be structural or life cycle because those are remotely related to social mobility. Lastly it wouldn't be intergenerational because by definition is means: elating to, involving, or affecting several generations. Which is not related to social mobility at all.
The correct answer would most likely be A
Answer:
protein expression refers to the way in which protein are synthesized, modified and regulated in living organisms.
Explanation:
In the protein research,the term can apply either the object of study or the laboratory techniques required to manufacture proteins.
The answer should be B may be wrong
Answer:
In the muscles during exercise.
Explanation:
During exercise, the body uses up all its oxygen. Therefore, the muscles use anaerobic respiration (making energy w/o oxygen) to function. Lactic acid is produced as a by-product, which makes the muscles sting.