Select all that apply.
which of the following statements are false?
•gregor mendel is noted for his contributions to genetics.
• genotype is the expression of a trait.
•alleles are alternate forms for a specific hybrid
• the letters tt mean an organism has two dominant genes.

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?