Figure 15.1
?
The following question refers to the figure above illustrating the initial steps in the formation of recombinant DNA.
What is used to cut the DNA in panels 1 and 2?
A. Restriction enzymes
B. Reverse transcriptase
C. DNA polymerases
D. RNA polymerases
E. DNA ligases
Answer: A
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Rigor mortis occurs when ____
a. ATP levels fall b. calcium levels rise c. potassium levels fall d. acetylcholine stimulates contraction e. ADP is produced
A bacterial pathogen has just entered the body of a person. Describe the sequence of events that lead to the production
of enzymes that will hydrolytically destroy the bacterial cell, beginning with events in the nucleus and ending with destruction of the pathogen. What will be an ideal response?
Which of the following is a structure adapted for seed dispersal by animals?
a. light, feathery plumes b. thick, indigestible seed coats c. air spaces and cork d. turgor pressure within fruits e. winged fruits
starch
What will be an ideal response?