Ans: B. False
A highly enriched medium would be the most helpful for isolation of a species of unknown bacterium in a pure culture.
A. True
B. False
Biology & Microbiology
You might also like to view...
In the process of forming a root nodule, species of Rhizobium differentiate to form a type of cell called a ________.
A. nucleoid B. vesicle C. lymph node D. bacteroid
Biology & Microbiology
Genes that are ________ on chromosomes get separated by crossing over ________ frequently
a. farther apart / less b. farther apart / more c. none of the choices d. closer together / more
Biology & Microbiology
An enzyme synthesized in the laboratory is found to have little activity when compared to the enzyme extracted from cell culture. Both enzymes were examined and have identical amino acid composition
What is the best explanation for the lack of activity of the synthesized enzyme? A) The van der Waals radius was altered during laboratory synthesis. B) The synthetic enzyme was not made of amino acids. C) The ATP required for self-assembly was present in the cell extract but not in the laboratory synthesis. D) Denaturation of the synthesized enzyme was not complete. E) The synthesized enzyme was not folded correctly because molecular chaperones were not present.
Biology & Microbiology
Cellular respiration (extracting energy from food molecules) is best associated with the ______.
a) chloroplast b) ribosome c) golgi apparatus d) mitochondria
Biology & Microbiology