Small populations are threatened by the loss of genetic diversity from

a. Inbreeding

b. Genetic drift

c. Limited mating

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#Question id: 10854

#Unit 10. Ecological Principles

Which of the following is an example of a hemiparasite?

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#Question id: 23183

#Unit 13. Methods in Biology

FRET sensors have been developed to determine where signaling between 

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#Question id: 3690

#Unit 3. Fundamental Processes

The DNA polymerase is a template-directed enzyme that synthesizes new complementary strand from a parent strand but it requires the existing short nucleotide sequence for its elongation. Which of the following enzyme is required for the synthesis of this primer?

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#Question id: 20333

#Unit 4. Cell Communication and Cell Signaling

Choose true statements about Ax21-mediated quorum sensing;

a. It is a highly conserved sulfated peptide secreted by Xanthomonas oryzae.

b. Ax21 is sulfated by RaxST, which is a putative tyrosine sulfotransferase.

c. Sulfated Ax21 is secreted via the RaxABC type I secretion system

d. Sulfated Ax21 secreted is recognized by the rice XA21 receptor.

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#Question id: 4046

#Unit 3. Fundamental Processes

Which of the following is involved in maintaining lysogeny in lambda phage? ___