Which of the following is (are) a group of

individuals of the same species that occupies a
specified area?
a. individuals
b. species
c. population
d. polyploids
e. all of these


Answer: c

Biology & Microbiology

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In the whole-genome shotgun method, the genome is fragmented and individual fragments are

sequenced. How do we determine the order of the nucleotides in the intact chromosome?

a. The fragmentation is done in a very systematic way such that the physical arrangement of fragments is readily apparent. b. The sequence of the ends of the fragments overlap with the ends of other fragments. c. We supplement our information with data from a different technique to determine the final chromosome arrangement. d. DNA hybridization assays are conducted to determine the physical arrangement of the genes on the chromosome. e. After sequencing, the fragments are labeled and used as probes in a Southern blot.

Biology & Microbiology

________ are membrane proteins that help cells to stick to each other

Fill in the blank(s) with correct word

Biology & Microbiology

Of all the possible amino acids, all living organisms make use of only the same 20 amino acids. This supports the idea that

A) only a limited number of DNA mutations are possible. B) bacteria, animals, and plants developed independently. C) natural selection drives evolution. D) only 20 amino acids exist on Earth. E) all living things are derived from a single common ancestor.

Biology & Microbiology

Which of the following is an example of flawed inductive reasoning due to availability bias?

A. Basing your assessment of the risk of a plane crash on television news reports. B. Basing your assessment of the risk of a plane crash on television news reports and determining the popularity of a government policy based on the opinions of your friends. C. Determining the popularity of a government policy based on the opinions of your friends. D. Believing the odds to be in your favor at a casino after winning the lottery.

Biology & Microbiology