The column of water extending in tubes from plant roots to leaves is maintained by ____.
A. hydrophilic interactions
B. ionic bonds
C. covalent bonds
D. hydrophobic interactions
E. cohesion between water molecules
Answer: E
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All of the following are part of phage conversion except
A. injection of phage gene into host. B. transcription and translation of phage gene. C. induction of phage. D. expression of phage gene by host. E. integration of phage gene to form a prophage. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about phage conversion? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which of the following is the protist most
closely related to animals?
a. Placozoans b. Choanogflagellates c. Charophytes d. Amoebas e. Dinoflagellates
Transcription starts at a region of DNA called a(n)
a. sequencer. b. promoter. c. activator. d. terminator. e. transcriber.
What is the fate of the prophage during the lysogenic stage?
a. It is released from the cell by lysing the cell. b. It is copied every time the host DNA replicates. c. It is packaged into viral proteins and maintained until the host is exposed to an environmental stress. d. It is degraded by the activity of host defense enzymes.