A. What makes up the sides of the DNA molecule? B. What makes up the "rungs" of the DNA molecule?

4. Fill. in: Write the name of the nitrogenous base that joins to each of the bases below:

Adenine (A) joins to
Thymine (T) joins to
Cytosine (C) joins to
Guanine (G) joins to

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.

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.