C It controls what is allowed to enter or leave the cell.
When light reaction occurs in the stroma of chloroplast glucose is produced
Mechanical waves cannot move without a medium
Alleles that are masked by others are called recessive alleles.
Answer:
pituilatry gland
Explanation:
The pituitary gland is sometimes called the "master" gland of the endocrine system because it controls the functions of many of the other endocrine glands. The pituitary gland is no larger than a pea, and is located at the base of the brain.