A diploid individual with two identical alleles for a particular gene is said to be:

a) autosomal for that gene.
b) codominant for that gene.
c) pleiotropic for that gene.
d) homozygous for that gene.
e) heterozygous for that gene.


Ans: d) homozygous for that gene.

Biology & Microbiology

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The acid-fast stain is specifically designed for bacteria whose cell walls contain:

a. teichoic acids. b. mycolic acids. c. peptidoglycan. d. disaccharide-pentapeptide subunits.

Biology & Microbiology

A fungus that has enzymes capable of breaking down cellulose could digest

a. bone. b. feathers. c. skin. d. wood.

Biology & Microbiology

Which of the following is NOT true regarding the complement system?

a. Activated components of this system adhere to bacterial cell walls and then put holes in these cell walls. b. This system involves a group of at least 20 proteins found in the blood plasma. c. During an infection, one protein in this system activates the next in a cascade of reactions. d. Some components of this system stimulate eosinophils to release histamine. e. Some components of this system stick to the walls of bacterial cells, marking them for phagocytosis.

Biology & Microbiology

Based on your knowledge of cell function, what situation below occurs because of the functioning of lysosomes?

What will be an ideal response?

Biology & Microbiology