What is a characteristic of prokaryotic genomes?

a. A single loop chromosome
b. Multiple chromosomes
c. Many linear chromosomes
d. A single linear chromosome


a. A single loop chromosome

A single loop chromosome is a characteristic of prokaryotic genomes.

Biology & Microbiology

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In lakes, the nutrient-rich water near the shore is part of the ____

a. benthic zone b. abyssal zone c. limnetic zone d. littoral zone e. profundal zone

Biology & Microbiology

A difficult task for the biologist trying to determine if a group of organisms is a separate species is __________.

a. to compare appearances of different organisms b. to determine if a hybrid offspring is produced c. exposing isolating mechanisms d. determining whether group members breed with organisms outside the group e. comparing DNA from those

Biology & Microbiology

Which term refers to the selective movement of specific small molecules and ions into excretory system tubules?

a. release b. secretion c. reabsorption d. filtration

Biology & Microbiology

In the reaction: C4H6O4 + FAD ? C4H4O4 + FADH2, what type of reaction took place to remove the protons from C4H6O4?

A. decarboxylation B. reduction C. oxidation D. dehydrogenation

Biology & Microbiology