An excess of this nutrient has been linked to bone loss.
A. Glucose
B. Saturated fat
C. Protein
D. Vitamin A
Answer: D. Vitamin A
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During muscle contraction, the
a. contractile proteins contract. b. contractile proteins shorten c. A band becomes smaller d. I band remains unchanged. e. amount of calcium in the cytosol remains constant
What is NOT true of the effects of hypoventilation?
A) partial pressure of carbon dioxide (PCO2 ) in the blood increases B) blood pH decreases C) hydrogen ion concentration in the blood decreases D) carbonic acid concentration in the blood increases
When DNA is distributed diffusely throughout the nucleus, it is called ________. When it is organized into condensed structures, those are called ________.
A. chromatid; chromosomes B. chromosomal; chromatins C. chromatin; chromosomes D. nucleolus; centrioles E. genetic; chromatins
Cone-shaped tissue masses of the kidney are called renal
A. pelvis. B. pyramids. C. cortex. D. columns.