The M protein enhances the virulence of Streptococcus by preventing phagocytosis

Indicate whether the statement is true or false


TRUE

Biology & Microbiology

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Which of the following is NOT an event in cell

division in animals?

a. contractile rings wrap around the cell’s middle b. cleavage furrow forms c. cell pinches into d. a cell plate partitions the cytoplasm e. all of these ARE events in cell division in animals

Biology & Microbiology

What is an allosteric molecule?

What will be an ideal response?

Biology & Microbiology

Which of the following organisms is a prokaryote?

A) algae B) archaea C) fungus D) protozoa E) both archaea and protozoa

Biology & Microbiology

Several different classes of enzymes are needed for the catabolism of carbohydrates. Which of the following descriptions best matches the function of an isomerase?

(a) An enzyme that catalyzes the rearrangement of bonds within a single molecule. (b) An enzyme that catalyzes a change in the position of a specific chemical group within a single molecule. (c) An enzyme that catalyzes the oxidation of a molecule by removing a hydride ion. (d) An enzyme that catalyzes the addition of phosphate groups to other molecules.

Biology & Microbiology