Cofactors vs. Coenzymes Definition, Differences & Examples

Many coenzymes are derived from _____

• vitamins

• metals

• inorganic molecules

• All of these answers are correct.

What type of bond is often formed between prosthetic groups and proteins?

• Polypeptide

• Amino acid

• Covalent

• Hydrogen

• Metal

Cellular respiration includes a step that converts pyruvate into Acetyl coA. Acetyl coA is also known as Coenzyme A. This implies that Acetyl coA _____

• is one of the enzymes performing the function

• is bound tightly to the enzyme

• is a metal ion

• helps an enzyme perform a function

Tags

NGSS.HS-LS1-7

A coenzyme is differentiated from the broader class of cofactors because it is _____

• organic

• metal

• inorganic

• All of these answers are correct.

Label the diagram.

a

b

c

d

enzyme

enzyme-substrate complex

products

substrate

Enzymes are ​ (a)   that ​ (b)   chemical reactions by​ (c)   the amount of activation energy required to start the reaction.

• proteins
• speed-up
• decreasing
• carbohydrates
• increasing
• slow-down