BROCK BIOLOGY OF MICROORGANISMS ACTUAL TEST SCRIPT WITH SOLVED QUESTIONS AND VERIFIED ANSWERS

BROCK BIOLOGY OF MICROORGANISMS
ACTUAL TEST SCRIPT WITH SOLVED
QUESTIONS AND VERIFIED ANSWERS

●● medium
Answer: liquid/solid mixture containing all required nutrients


●● cell
Answer: living compartment that interacts with the environment and
other cells


●● cytoplasmic (cell) membrane
Answer: barrier that separates the inside of the cell from the outside
environment


●● cytoplasm
Answer: aqueous mixture of macromolecules, small organics, ions, and
ribosomes inside the cell


●● ribosomes
Answer: protein-synthesizing structures

, ●● cell wall
Answer: organelle only present in some microbes; provides extra
protection and strength


●● prokaryotes
Answer: type of cell: some Bacteria and Archaea, have no membrane-
enclosed organelles; no nucleus


●● organelles
Answer: membrane-enclosed structures within a cell


●● eukaryotes
Answer: type of cell: some plants, animals, algae, protozoa, fungi;
contains organelles; has DNA-enclosed in a membrane-bound nucleus


●● genome
Answer: a cell's full complement of genes


●● linear chromosomes (and many more, up to billions of base pairs)
Answer: typical eukaryotic DNA shape


●● circular chromosomes that aggregate in the nucleoid region
Answer: typical prokaryotic DNA shape