Which of the following are used for cutting DNA molecules into fragments?

A. antisense RNAs
B. mutagens
C. DNA polymerase and DNA ligase
D. restriction enzymes
E. RNA polymerases


Answer: D

Biology & Microbiology

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In a cell, the concentration of glucose-6-phosphate is 83 ?M and of fructose-6-phosphate is 14 ?M. The ?G°' = 410 cal/mol for the conversion of glucose-6-phosphate to fructose-6-phosphate. Based upon this information, the ?G' for this reaction (in cal/mol) is

A) -644. B) -63.7. C) 0. D) 27. E) 644.

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A hydrothermal vent ecosystem does not run on energy from the sun. Describe the source of its energy

What will be an ideal response?

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If in calculating the distance between two genes using data from a testcrossed dihybrid you arrive at a genetic distance of 70 map units, there is likely to be something wrong with your calculations, the experimental data, or with the experiment

itself. Indicate whether the statement is true or false

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During mammalian development, a

A) blastula becomes a zygote. B) morula becomes gastrula. C) zygote becomes a blastula. D) gastrula becomes a morula. E) morula becomes a blastula.

Biology & Microbiology