AP Biology Cell Energetics Review

What type of chemical reaction do the products have less energy than the reactants?

• endergonic

• exergonic

Tags

NGSS.HS-PS1-4

What reaction is shown in this picture?

• endergonic

• exergonic

Tags

NGSS.HS-PS1-4

Reactions that require an input of energy are known as _______. In this type of reaction, the products have more energy than the reactants.

• endergonic

• exergonic

Tags

NGSS.HS-PS1-4

What type of reaction is shown?

• endergonic

• exergonic

Tags

NGSS.HS-PS1-4

The amount of energy needed to start a reaction is known as the:

• activation energy

• transition state

• reactants

• products

Enzymes are catalysts. Choose all of the following that they do to help a reaction move forward.

• Speed up the reaction

• Lower activation energy

• Slow down the reaction

• Raise activation energy

Tags

NGSS.HS-PS1-5

Enzymes have specificity - meaning that each enzyme can catalyze ______ kind(s) of reactions.

• one

• two

• three

• unlimited

In enzymatic reactions, the targeted molecules are known as _______________. Enzymes mostly break these molecules down.

• Substrates

• Products

• Active Sites

• Allosteric Sites

Enzymes are often named based off of their functions. Based off of this, what enzyme breaks down sucrose?

• sucrase

• maltase

• DNA polymerase

• sucrose

Enzymes accomplish catalyzing a reaction by binding substrates to their __________________________.

• active site

• enzyme-substrate complex

• allosteric site

• products