Unit 3 Test Review

Process that stores solar energy as sugar

• respiration

• photosynthesis

• Krebs cycle

Stage of photosynthesis that produces NADPH and ATP

• light independent

• light dependent

• calvin cycle

photosynthesis is

• endothermic

• exothermic

• isothermic

Cellular respiration is

• endothermic

• exothermic

• isothermic

___ chemical reactions release more energy than absorbed

• endothermic

• exothermic

• isothermic

In a chemical equation, everything to LEFT of arrow is a ______

• reactant

• product

• enzyme

In a chemical equation, everything to the RIGHT of the arrow is a ___

• reactant

• product

• carbohydrate

• enzyme

Enzymes SPEED up chemical reactions by ____ the activation energy

• increasing

• raising

• lowering

• stabilizing

Which macromolecule is broken down first in the body?

• carbohydrate

• lipid

• protein

• nucleic acid

Which macromolecule is broken down second?

• carbohydrate

• lipids

• protein

• nucleic acid