You are studying cell cycle progression in an early frog embryo. If you were to inject a protein synthesis inhibitor into a cell during S phase, where do you predict that the cells would arrest?
A. G1
B. Telophase
C. G2
D. Metaphase
Answer: C
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Compare and contrast the human pathogens and non-pathogens in Clostridium. Propose a reason for why this differentiation is challenging to assay in the laboratory (NOT on living eukaryotic animal models)
What will be an ideal response?
DNA replication of a single DNA molecule is referred to as semiconservative because
a. it results in two nonidentical DNA molecules. b. one DNA strand is replicated continuously, while the other must be replicated discontinuously. c. of the two DNA molecules, one is made up totally of parental DNA, while the other is entirely newly synthesized DNA. d. all the DNA strands in the two DNA molecules will have both parental and newly synthesized DNA. e. each of the two DNA molecules will consist of one parental strand and one newly synthesized strand.
matching the descriptions with the most appropriate
bond type. a. hydrogen b. ionic c. covalent d. polar covalent e. double bond M 71. the bond between the atoms of table salt (NaCl) M 72. the bond type holding several molecules of water together M 73. the bond between the oxygen atoms of oxygen gas (O2) M 74. the bond that breaks when salts dissolve in water M 75. a bond in which connected atoms share electrons
A collection of natural bodies of earth, composed of mineral and organic matter and capable of supporting plant growth, is referred to as ________
Fill in the blank(s) with correct word