What radiolabeled substance did Hershey and Chase use to label the protein component of the bacteriophage in their study to determine whether protein or DNA was necessary for phage production?

A) nitrogen
B) carbon
C) sulfur
D) phosphorus
E) iodine


C) sulfur

Biology & Microbiology

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Which of the following is not a lipid?

a. Fatty acid b. Glucose c. Oil d. Steroid e. Wax

Biology & Microbiology

What is haplodiploidy, and how is it related to altruism in honeybees?

What will be an ideal response?

Biology & Microbiology

What is an intentionally ineffective treatment given to members of a control group in an experiment?

What will be an ideal response?

Biology & Microbiology

An atom's nucleus is composed of

A) protons and electrons. B) protons only. C) protons and neutrons. D) neutrons and electrons. E) neutrons only.

Biology & Microbiology