Why is mRNA called "messenger" RNA? It transports amino acids to the ribosomes.

It carries codes for proteins from the cytoplasm to the DNA.

It carries codes for proteins from DNA into the cytoplasm to be used.

It translates codons into proteins.

Which of the following choices is not an effective solution to the energy waste related to inefficient lighting? a. using low-pressure sodium lighting sources b. pointing lights on billboards and street signs upward c. placing light sources on time controls d. shielding light to direct it downward

The cluster of developing cells from conception until birth is called an

What is responsible for the uneven heating between the poles and the equator on any given day