Is the manipulation of the dna of cells to change hereditary traits or produce biological products. select one of the options below as your
a. selective breeding
b. genetic engineering
c. mutation
d. radiation

Which conditions need to be in balance for cells to function? check all that apply. blood sugar food intake body water body temperature body mass

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point