What property enables the residues of the amino acids serine, threonine, and tyrosine to be phosphorylated?
they are polar.
they are non-polar.
they contain a hydroxyl group.
they occur more frequently in the amino acid sequence of signaling proteins.

Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b.through genes c. through seasonal cycles d. through hibernation

Which of the following words best matches this definition: the process in which the best adapted organisms survive and pass on their traits, while those that are not well adapted do not survive to pass on their traits. question 3 options: acquired selection natural selection artificial selection organic selection

Which is the best example of plant tissue? the answer is d (just took the test)