________ have 46 chromosomes, whereas ________ have 23.
A. Spermatids; sperm cells
B. Secondary spermatocytes; primary spermatocytes
C. Spermatogonia; primary spermatocytes
D. Primary spermatocytes; spermatids
Answer: D
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Reduction in blood flow to a muscle fiber would have the greatest effect on ________
A) slow oxidative fibers B) fast oxidative fibers C) both slow and fast oxidative D) fast glycolytic
Which effector is not dually innervated?
a. salivary glands b. urinary bladder c. pancreas d. radial muscle of iris e. bronchioles in lungs
This connective tissue is made of hard calcified matrix and stores calcium and other minerals
A) bone (osseous tissue) B) dense irregular C) hyaline cartilage D) elastic cartilage
Which of the following structures is the richest in lipid content?
A) Dura mater B) Gray matter C) Arachnoid mater D) Pia mater E) White matter