Unit 1 Review - Chemistry of Life

The item/items an enzyme binds to its active site is called the __.

• Inhibitor

• Product

• Substrate

• Enzyme

Answer explanation

Enzymes bind to a limited number of substrates!

A type of reaction where multiple substrates are combined into one product.

• Hydrolysis

• Anabolic

• Protein

• Catabolic

Answer explanation

Anabolic is a general category for chemical reactions. Any reaction building a larger molecule is classified as anabolic!

When an atom loses an electron, it becomes __.

• An anion

• A cation

• A carbon

• A Nucleus

Which macromolecule is broken down first for energy?

• Proteins

• Lipids

• Nucleic Acids

• Carbohydrates

Answer explanation

Carbohydrates are generally smaller and simpler molecules for the body to break down.

What phenomenon is being shown in this diagram?

• Capillary Action

• Meniscus

• Surface Tension

• Ionic Bonding

What property of water is being shown in this picture?

• Universal Solvent

• Cohesion/Adhesion

• Less Dense when Frozen

• Specific Heat

In your Acids & Bases lab, the dependent variable is __.

• The one you measure

• The one you changed/tested

• The whole group of constant variables

• False, there is no such thing as a dependent variable.

What was my favorite number?

(a)  

If the __ of a protein changes, so will its function.

• Substrate

• Nucleotide

• Shape

• Product

Answer explanation

When the protein's shape changes, so does its ability to interact with its normal substrate.

Sweating is __.

• A response to your environment.

• Something Canadians do

• A part of your metabolism.

• An example of growth & development.