A truckload of apples weighs 2550 lb. If 5 (exact) apples weigh 1250 g, answer the following:a. How many apples are in the truck? b. How many moles of apples are in the truck?

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

Evaluate this exponential expression,8. (2 + 3)2 – 42

Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.