Which of the following best explains why bacteria have the greatest biomass of any other plant or animal on earth?
a. Bacteria are able to live essentially anywhere—soil, air, water, ice, etc.
b. Some bacteria can make their own food.
c. Some bacteria can survive and thrive with or without oxygen.
d. There is one dominant species of bacteria that has a greater molecular weight than other bacteria, accounting for the high biomass.
e. The first three choices are correct.
Ans: e. The first three choices are correct.
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The process by which information in genes guides the production of RNA and proteins is called ____
a. translation b. gene expression c. synthesis d. cellular respiration e. transcription
The electron transport chain begins to function when
__________ or __________ are oxidized. Fill in the blank(s) with the appropriate word(s).
What is the relationship between recombination frequency and the actual physical distance on a chromosome?
A. As physical distance increases, the recombination frequency increases in a linear fashion. B. As physical distance increases, the recombination frequency first increases in a linear fashion, but gradually levels off to a frequency of 0.5. C. As physical distance increases, the recombination frequency decreases in a linear fashion. D. As physical distance increases, the recombination frequency first increases, but then decreases.
Present a rationale for using DNA sequence polymorphisms as an index of genetic diversity
What will be an ideal response?