Aging affects the appearance of the skin, producing wrinkles and sagging due to
decreased collagen and elastin formation.
Indicate whether the statement is true or false
TRUE
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Movement of a body part toward the main axis of the body is called
A. inversion. B. flexion. C. adduction. D. retraction. E. abduction.
In oxidative phosphorylation, energy for the synthesis of ATP is directly obtained from the
A) splitting of oxygen molecules. B) breaking of the covalent bonds in glucose. C) movement of hydrogen ions through channels in the inner mitochondrial membrane. D) combination of two atoms of hydrogen and one atom of oxygen to form water. E) oxidation of acetyl-CoA.
Balding men have tried all kinds of remedies, including hair transplants, to restore their lost locks. Explain the cause of male pattern baldness.
What will be an ideal response?
The structure in the fetus that allows the blood to bypass the liver is the:
a. ductus venosus b. ductus arteriosus c. foramen ovale d. both B and C above