Of the different types of bryophytes, which has the sporophyte generation that lives the longest?
A. mosses
B. hornworts
C. quillworts
D. horsetails
E. liverworts
B
Biology & Microbiology
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In what part of the cell cycle are most of our
body cells?
a. G1 b. G2 c. S d. prophase e. telophase
Biology & Microbiology
"Jumping genes" that have the ability to move within and between chromosomes are called
A. oncogenes. B. transposons. C. introns. D. retroviruses. E. exons.
Biology & Microbiology
Outline the two parts of the eukaryotic cell cycle and describe the three main checkpoints in cell cycle regulation. What will be an ideal response?
Biology & Microbiology
A lacOc mutant would
A) never express lac structural genes. B) constitutively express the lac structural genes. C) not bind to lacI. D) use glucose before using lactose as a carbon and energy source. E) not bind to lacI and never express lac structural genes.
Biology & Microbiology