Which one of the following is not an element found in DNA?

A) oxygen
B) sulfur
C) nitrogen
D) phosphorous
E) hydrogen


B) sulfur

Biology & Microbiology

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Answer the following statements true (T) or false (F)

1. The term "glucose sparing" refers to the increase in fat utilization seen in most tissues and organs during periods of low glucose availability. 2. Individuals with hypothetical "thrifty genes" are proposed to be better at storing fat than individuals without these genetic variants. 3. A mouse and a lizard of identical weight would be expected to have the same total metabolic rate. 4. The successful treatment of anorexia nervosa and bulimia nervosa is similar.

Biology & Microbiology

When David Baltimore’s lab tried to determine how an RNA tumor virus replicates its genome, they

discovered that

a. these viruses can make DNA without an RNA template b. these viruses can make DNA after being treated with RNase c. these viruses can make more RNA genomes from their RNA genome d. an enzyme (reverse transcriptase) makes DNA from RNA e. an enzyme (reverse transcriptase) makes RNA from DNA

Biology & Microbiology

Kelp is a type of algae in a complex ecosystem off the Pacific coast of North America. If kelp forests shrunk in size or vanished, many other species would be affected. Kelp are ____ species in this ecosystem.

a) excluded b) keystone c) competitive d) predator

Biology & Microbiology

Lysozyme, a protective enzyme found in tears and saliva, is an example of a(n) ________ barrier

Fill in the blank(s) with correct word

Biology & Microbiology