A dihybrid cross experiment is carried out in pea plants. Which statements are true? Select all that apply.

1. The F1 and F2 generations will both be a mixture of four different phenotypes.

2. The F1 generation will all have both dominant phenotypes.

3. The F2 generation will be a mixture of four different phenotypes.

4. The F1 generation will all have both recessive phenotypes,

What sre the effects of hemolytic disease of a newborn

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit.there is a precise compatibility between the active site and the lactose molecule.specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed.reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.