Which of the following are considered molecules select all that apply
[] nitrogen
[] lipids
[] proteins
[] carbon

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal

The allele for curly hair is incompletely dominant. if a mother is homozygous for curly hair and the father is homozygous for straight hair, what percentage of the offspring will exhibit characteristics of both parents? 25 percent 50 percent 75 percent 100 percent

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?