A diploid organism has a total of 36 chromosomes. Assuming all possible chromosome combinations are viable, if a mutant tetraploid version of this organism was created how many chromosomes would it have? If a mutant version of this organism was

monosomic for chromosome 9 how many chomosomes would it have?


A. 144; 35
B. 72; 35
C. 144; 37

D. 72; 37


B

Biology & Microbiology

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Place the following steps in the correct order to reflect how a plaque assay is done: _____ Plates from different dilutions are examined and plaques are counted. _____ Dilutions are mixed with the appropriate bacterial host. _____ Bacterial/sample dilution mixtures are plated on agar plates. _____ Several dilutions of sample to be assayed are prepare. _____ Plates are incubated to allow for plaque development.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Endemic means a species

a. originated in one geographic region and lives nowhere else. b. could cause an epidemic at any time. c. is on its way to extinction. d. can live in only one habitat. e. is extinct.

Biology & Microbiology

All atoms of an element have the same number of ________

A) protons plus neutrons B) protons C) electrons D) neutrons

Biology & Microbiology

The nuclear pore complex of proteins is estimated to have a mass

a. smaller than that of a ribosome. b. about the same as that of a ribosome. c. about five times that of a ribosome. d. about 30 times that of a ribosome.

Biology & Microbiology