Which of the following minerals are directly involved with light absorption in photosynthesis?
A) Zn
B) Mg
C) Fe
D) Ca
E) Na
B) Mg
Biology & Microbiology
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Replication of DNA in a eukaryote occurs during which phase of the cell cycle?
A. M phase B. G1 phase C. G2 phase D. S phase
Biology & Microbiology
What is the purpose of DNA ligase in a cloning experiment?
A. The purpose is to proofread the vector for mistakes. B. The purpose is to reestablish the stable sugar-phosphate backbone of the DNA molecule C. The purpose is to allow the vector to enter into the cell. D. The purpose is to function as a selectable marker.
Biology & Microbiology
Which of the following is NOT equal to 1 mm?
A) 0.001 m B) 106 nm C) 0.1 cm D) 100 ?m E) 10-3 m
Biology & Microbiology
Chlamydomonas "mating types" differ in what way?
A) chloroplasts B) flagella structure C) membrane phospholipids D) interlocking male and female parts
Biology & Microbiology