An abnormal mass of tissue is a tumor.
a. true
b. false
a. true
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In the following genetic sequence, identify the correct complementary strand of DNA for the sequence 3' CAGTACCGTAAGCT 5'
a. 3' GTCATGGCATTCGA 5' b. 5' GTCATGGCATTCGA 3' c. 5' AGCTTACGGTACTG 3' d. 5' GTCATGGCTTCGA 3'
If a process kills 90% of the organisms per minute, how many minutes would it take to kill all organisms when starting with 100,000 organisms?
A. 1 minute B. 2 minutes C. 3 minutes D. 6 minutes
Which of the following statements about the cell cycle is correct?
A. The cell cycle is a sequence of replications and divisions that produces a new cells. B. The phases of the cell cycle are G1, S, and M phases. C. In actively dividing cells, the S and G2 phases are collectively known as interphase. D. When the S phase of the cell cycle is finished, a cell has twice as many chromatids as the number of chromosomes in the G1 phase. E. During G2 phase, the cell grows and copies its chromosomes in preparation for cell division.
A protonema
a. is part of the sporophyte generation of a moss. b. is the product of spore germination of a moss. c. looks very much like a filamentous brown alga. d. produces the sporophyte when a bud grows from it