What is another term for an identifiable structure known as the microtubule organizing centre (MTOC) of an animal cell?

a. a cell plate
b. a centrosome
c. a kinetochore
d. a centromere


Answer: b. a centrosome

Biology & Microbiology

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The apparent lack of intermediate forms in the fossil record can be explained by the ____ hypothesis

a. disruptive selection b. fossil decay c. punctuated equilibrium d. genetic drift e. allopatric speciation

Biology & Microbiology

The term used to describe bacteria that are shaped like curved rods is

A. coccobacillus. B. vibrio. C. bacillus. D. coccus.

Biology & Microbiology

Which of the following is a reason to graft

plants?

a. to maintain the quality of a plant b. to increase the hardiness of a plant c. to avoid plant diseases d. to produce seedless fruits e. all of these are reasons to graft plants

Biology & Microbiology

Prokaryotes contain a _________ chromosome, and eukaryotes contain ________ chromosomes

a. single-stranded circular; single-stranded linear b. single-stranded linear; single-stranded circular c. double-stranded circular; double stranded linear d. double-stranded linear; double-stranded ci

Biology & Microbiology