Which of the following is an indirect method for estimating the number of microbes in a sample?
A) viable plate counts
B) turbidity
C) Coulter counter
D) MPN
E) membrane filtration
B
Bloom's Taxonomy: Comprehension
Section: Growth of Microbial Populations
Learning Outcome: 6.20
You might also like to view...
What molecule(s) link the light reactions (stage 1 of photosynthesis) to the Calvin cycle (stage 2 of photosynthesis)?
A) The oxygen and carbon dioxide molecules B) The electron shuttles (ATP and NADPH) C) The sugars D) The water
In the sweet pea crossing experiment by Bateson and Punnet, the F2 generation had many more offspring with the phenotypes of purple flowers with long pollen (PL) and red flowers with round pollen (pl) than expected from independent assortment. This is because
A. in sweet peas, the alleles for flower color and pollen shape are on the same chromosome. B. in these sweet peas, there are always more PL gametes than there are pl gametes. C. In sweet peas, the alleles for flower color and pollen shape are next to each other on the same chromosome. D. In sweet peas, the allele for flower color is in the nuclear genome and the allele for pollen shape is on the chloroplast genome. E. All of the answers are correct.
Bilateral symmetry refers to distribution of body parts:
A) in pie-slice sections. B) around a central axis. C) in no particular order. D) randomly in pairs from top to bottom. E) similarly on right and left sides.
The most accurate description of an organism with genotype AaBb is
a. homozygous dominant. b. heterozygous. c. heterozygous dominant. d. homozygous recessive. e. heterozygous recessive.