A mutagenic agent _____.?
A) ?helps prevent mutations
B) ?causes mutations in many cells at the same time
C) ?slows down the rate of mutation
D) ?increases the occurrence of mutations
D
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________ is an autoimmune disease that severely impairs renal function.
Fill in the blank(s) with the appropriate word(s).
Which of the following is a type of lipid molecule important in the structure and function of cell membranes?
A. Wax B. Phospholipid C. Triglyceride D. Estrogen
Chromosomes begin migrating towards poles of the cell during ________.
A. prophase B. metaphase C. telophase D. anaphase E. interphase
Spongy bone
A. contains no osteocytes. B. is composed of tubular units called osteons. C. forms diploe in the cranial bones. D. has spaces filled with yellow marrow. E. All of the choices are correct.