What would be the chromosome number in a human cell that is triploid (for each type of chromosome)?
a) 11 1/2
b) 92
c) 46
d) 69
e) 23
Ans: d) 69
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Select the true statement.
A) Somatic cells are diploid, meaning that they have two copies of the human genome. B) Somatic cells are haploid, meaning that they have one copy of the human genome. C) Sperm and egg cells are diploid, meaning that they have two copies of the human genome. D) Stem cells are haploid, meaning that they have one copy of the human genome.
Place the layers of a mammalian gut in order from outside inward, toward the lumen
a. mucosa ? submucosa ? muscularis ? serosa b. muscularis ? mucosa ? submucosa ? serosa c. serosa ? muscularis ? submucosa ? mucosa d. serosa ? mucosa ? submucosa ? muscularis e. serosa ? submucosa ? mucosa ? muscularis
Vertebrate locomotion results from the contraction of muscles anchored to what other tissue?
A. Bone B. An exoskeleton C. Nerves D. Each other E. The plasma membrane
The placement of an organism into a domain is made on the basis of
A) G + C content. B) cell ultrastructure. C) ribosomal RNA analysis. D) serological tests. E) Gram-stain reactions.