In recombinant DNA techniques, the gaps in the paired DNA fragments are closed by ____

a. restriction enzymes
b. DNA ligase
c. DNA polymerase
d. DNA replicase
e. reverse transcriptase


ANSWER: b

Biology & Microbiology

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Answer the following questions true (T) or false (F)

1. Ecological dominants are typically the top predators in a community. 2. A community is a more inclusive category than a population. 3. Communities with the most biodiversity are found in areas with low geographic diversity.

Biology & Microbiology

In principle, gene expression can be controlled at any of the steps between a gene and its ultimate functional product. For the majority of genes, however, the __________ is the most important point of control. Because this control point can ensure that no unnecessary intermediates are synthesized.

A) Replication. B) Transcription C) Translation. D) PCR.

Biology & Microbiology

Viruses are not considered to be alive, yet they share this ability with living cells:

a. They can metabolize food b. They can evolve c. They can reproduce on their own d. They can produce cell membranes e. They can synthesize proteins

Biology & Microbiology

Endochondral ossification

What will be an ideal response?

Biology & Microbiology