environmental factors such as salinity and temperature can influence gene expression and cell differentiation. what is the role of these factors in gene expression?

Christie's doctor recommends that she eat 40 grams of protein a day. she's already consumed 50% of her protein recommendation for the day. how many servings of the given snack should christie have to meet her daily protein recommendation?

Identify the missing parts of the carbon cycle

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes