Nutrients and oxygen are distributed through the body mainly by the ____ system
a. circulatory.
b. digestive.
c. endocrine.
d. integumentary.
e. skeletal.
A
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One way in which gametogenesis in males differs from gametogenesis in females is that mitosis of primordial germ cells occurs in males only during fetal life.
Answer the following statement true (T) or false (F)
Proteins of the plasma membrane carry out all of the following functions except
A) binding to DNA to turn on genes. B) sending and receiving signals to and from other cells. C) transporting substances across the membrane. D) anchoring the cell to external structures. E) catalyzing chemical reactions at the inner or outer surface of the membrane.
Which of the following symptoms would you expect to observe in a person suffering from type I diabetes mellitus?
A) ketoacidosis B) thirst and polydipsia C) hyperglycemia D) glucosuria E) All of these answers are correct.
Acne is a disorder of the
A) hair follicles. B) sebaceous glands. C) apocrine glands. D) sweat glands.