Whole-cell movements involve the coordinated activity of
a. microtubules.
b. microfilaments.
c. blastomeres.
d. microtubules and microfilaments.
e. microtubules and microfilaments and blastomeres.
D
Biology & Microbiology
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Which of the following is an enzyme used in cloning that breaks covalent bonds?
A. DNA ligase B. restriction endonuclease C. reverse transcriptase D. DNA polymerase I E. polynucleotide kinase
Biology & Microbiology
Which of the following represents genes that have the potential to mutate and cause cancer?
a. proto-oncogenes b. transgenes c. oncogenes d. tumor suppressor genes
Biology & Microbiology
Amniocentesis involves sampling
a. the fetus directly. b. the fetal cells floating in the amniotic fluid. c. sperm. d. blood cells. e. placental cells.
Biology & Microbiology
Two genes located on the same chromosome are
A. homologous. B. homozygous. C. linked. D. autosomes.
Biology & Microbiology