Which enzyme is used to generate compatible sticky ends in order to join a desired gene to a plasmid vector in recombinant DNA techniques?
A) restriction enzymes
B) DNA ligase
C) reverse transcriptase
D) Taq polymerase
E) CRISPR-Cas9
Answer: A
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Organisms that use CO2 as their source of carbon are called
A. organotrophs. B. heterotrophs. C. autotrophs. D. chemotrophs.
The table shows all of the major divisions of green plants, with examples nested within the categories. Using this diagram, how would you describe spike mosses?
a. land plants that are non-vascular seedless pterophytes
b. land plants that are seedless non-vascular bryophytes
c. land plants that are vascular seedless lycophytes
d. land plans that are vascular, have seeds, and are angiosperms
Animals with a menstrual cycle do NOT
a. have an estrous cycle. b. develop endometriosis. c. display periods of sexual interest. d. produce estrogen. e. undergo menopause.
If the regression results for a linear probability model of mortgage application are given by: Approvedi = 0.6(0.12) + -0.05(0.001)Debt2IncomeRatioi, with standard errors reported in parenthesis. How should we interpret the coefficient on the debt-to-income ratio variable?
A. Increasing your debt to income ratio by 1 decreases your probability of being approved by 0.55. B. Increasing your debt to income ratio by 1 decreases your probability of being approved by 0.05. C. The probability of being approved for a mortgage is 0.6. D. The probability of being approved for a mortgage is 0.05.