FtsZ, MreB, and CreS proteins regulate the shape and structure of bacterial (prokaryotes) cells. These proteins are homologous to what structure in eukaryotes?

A. extracellular matrix
B. DNA processing enzymes
C. cytoskeleton
D. organelles
E. cell wall


C. cytoskeleton

Biology & Microbiology

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While on an archaeology expedition, you unearth a skeleton with the following characteristics: four long, slender finger bones and a smaller opposable thumb bone, long arm bones, fingernails, and eye sockets close together on a skull

What type of organism do you suspect you may have found? A) an anthropoid B) a tarsier C) a crustacean D) a marsupial

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Which of the following is NOT a stage of phagocytosis?

A. chemotaxis. B. secretion of cytotoxins. C. adhesion. D. elimination. E. vesicle fusion.

Biology & Microbiology

In order to produce human insulin in bacteria what must be done first?

A. Bacteria containing the human insulin gene are grown. B. Human insulin protein is purified from the bacteria. C. The bacterial insulin gene must be cloned. D. The human insulin gene must be transformed into bacteria. E. The coding sequence of the genes which produce human insulin must be isolated.

Biology & Microbiology