Colchicine is a drug that:a
arrests cells in mitotic telophase.
b. stimulates meiosis.
c. prevents DNA replication.
d. arrests cells in mitotic metaphase.
e. prevents cells from entering prophase.
d
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Which of the following is known to use tsetse flies as intermediate hosts?
A. Entameoba histolytica B. Trypanosoma brucei gambiense C. Histoplasma capsulatum D. Giardia lamblia
What are the three parts of a DNA nucleotide?
What will be an ideal response?
As a researcher, you are charged with determining the side effects of a new drug. From previous observations, you
suspect that this drug reduces the rate of DNA production (replication) within skin cells of patients using the drug. With the following materials, design an experiment that would answer your questions about the effect of the drug on DNA production. You know that: DNA contains phosphate groups. You have: radioactive isotopes of phosphate (32P), skin cell cultures from various patients, the drug in question, and a device that measures radioactivity. What will be an ideal response?
Antimicrobial peptides called ________ are secreted in sweat and damage bacteria and fungi.
A. antibodies B. dermcidins C. TLRs D. complement factors E. cytokines