Which of the following terms is not related to the other four?

1.amino acids
2.nucleotides
3.5-carbon sugars
4.phosphate groups
5.nitrogen-containing bases


1

Biology & Microbiology

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Describe the mutualistic relationship between chemolithotrophic bacteria and tube worms in hydrothermal vents

What will be an ideal response?

Biology & Microbiology

Alcohol reduces ADH secretion which in turn

A. decreases tubule permeability to water and thus increases urine volume. B. decreases tubule permeability to water and thus decreases urine volume. C. increases tubule permeability to water and thus increases urine volume. D. increases tubule permeability to water and thus decreases urine volume. E. has no effect on the urine volume.

Biology & Microbiology

How many codons are in the following sequence of nucleotides: AAAUGCUCGUAA?

A) 1 B) 3 C) 4 D) 6 E) 12

Biology & Microbiology

You take a sample of bacteria with DNA that contains only 14N and allow them to replicate in a medium that contains only 15N. After 3 rounds of replication, what percent of the DNA molecules will contain one strand with only 14N and one strand with only 15N? Enter your answer as a whole number without the percent sign. For example, 5% would be entered as 5 and 37% would be entered as 37.

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

Biology & Microbiology