Nucleic acids, proteins, and other large biological molecules are known as polymers because
a. they contain many small, repeating subunits bonded together.
b. they are the base units used in the formation of plastics.
c. they all contain only ionic bonds.
d. they all have the capability of functioning as enzymes.

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

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.

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring