Answer:
c. sarcopenia
Explanation:
Muscle cells are involved in movements. Skeletal muscles are one of the types of muscles present in the body that are responsible for voluntary movements. As the person ages, the skeletal muscles of the body experience a progressive reduction of their mass. The systemic reduction in muscle mass also adversely affects their functions. The condition is called sarcopenia. Significantly reduced muscle mass results in several functional disabilities. Sarcopenia is the reason that the person with increasing age is more likely to be affected with muscular disorders.
I'm going to assume the correct answer is C.
B. they both contribute to genetic diversity within a population
Answer:
B
Explanation:
Pheromones a chemical substance produced and released into the environment by an animal, especially a mammal or an insect, affecting the behaviour or physiology of others of its species.
Answer:
In the second picture, the answer is A to attach to a host cell.
In the third, the fourth and the fifth the answer is D.
Explanation:
