Which statement about the composition of ocean water is true?

a. the composition of ocean water varies within seasons
b. the composition of ocean water varies with depth
c. the composition of ocean water is the same within the entire ocean
d. the composition of ocean water varies with many factors

The trp operon in e. coli regulates genes that code for enzymes required for synthesis of the repressible operon. when tryptophan is not available amino acid tryptophan. the trp operon is a in the environment, the trp repressor protein activeinactiveregulated. therefore, rna polymerase can bind to the genes to begin transcription.

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?