The folded inner membrane of a mitochondrion is called ________.
rugae
plicae
cristae
Microvilli
cristae
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In what tissue would you expect to find very little, if any, extracellular matrix?
A. Muscle tissue B. Nervous tissue C. Immune tissue D. Epithelial tissue E. Connective tissue
Pepsinogen is an
A. active enzyme that is released in the small intestine and digests carbohydrates. B. inactive precursor to the enzyme pepsin that digests proteins in the stomach. C. active enzyme that digests proteins within the small intestine. D. inactive precursor to a nonspecific enzyme that is synthesized in the pancreas and released in the small intestine.
If 5 reproductive cells divide by meiosis, the total number of gametes produced in a male would be ________. The total number of gametes produced in a female would be ________.
A. 10; 5 B. 20; 20 C. 20; 10 D. 20; 5
______ are chemical messengers that are produced in one body region but affect a different body region.
A) Enzymes B) Endocrines C) Neurotransmitters D) Nucleic acids E) Hormones