Reuben.
Low sperm count does equate to impotence, and neither does descended testicles or erectile dysfunction.
Answer:
It always contains certain elements. ( second choice)
It always contains elements in definite proportions. ( fourth choice)
Answer:
Summary. Through the process of cellular respiration, the energy in food is converted into energy that can be used by the body's cells. During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is <u>transferred to ATP.</u>
1. plasma membrane
The plasma membrane is selectively permeable.