If cell division is no longer possible, eukaryotes can arrest the cell cycle. During which stage is this decision made?
A. telophase
B. G1
C. G2
D. S phase
E. prophase
Answer: B
Biology & Microbiology
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Proteins are polymers formed of structural units called:
A. fatty acids. B. amino acids. C. nucleotides. D. phosphate groups. E. monosaccharides.
Biology & Microbiology
Which of the following is the site of photosynthesis in cyanobacteria?
A) peroxisomes B) mitochondria C) photosynthetic membranes D) outer walls E) thylakoid lumens
Biology & Microbiology
During menopause, ____.
A. estrogen levels rise B. menstruation increases C. ovulation ceases D. women experience chills E. weight loss is typical
Biology & Microbiology
Which domains contain organisms that lack a membrane bound nucleus?
(a). Archaea & Bacteria (b). Archaea & Eukarya (c). Bacteria & Eukarya (d). Eukarya & Animalia (e). Archaea & Animalia
Biology & Microbiology