Which gases each make up less than 1 percent of earth's atmosphere? check all that apply.
argon
oxygen
nitrogen
water vapor
carbon dioxide

How can you approximate the number of calories required to keep you in energy balance?

If a baby girl guinea pig looks almost identical to its mother, does this then mean that it inherited more alleles from its mother? explain. (hint: think about the vocabulary words dominant and recessive.)

Where does the information about where each transcription factor binds originate?