Biochemistry Reg. Biology

Atoms are made up of which 3 particles?

• protons, neutrons, and isotopes

• protons, electrons, and neutrons

• positives, negatives, and neutrals

• neutrons, isotopes, and electrons

Which statement describes all enzymes?

• They control the transport of materials.
• They provide energy for chemical reactions.
• They affect the rate of chemical reactions.
• They absorb oxygen from the environment.

The distortion (change in shape) of enzyme molecules which occurs at high temperatures is known as

• synthesis
• specificity
• replication
• denaturation

Tags

NGSS.HS-PS1-5

An energy-rich organic compound needed by organisms is

• water
• salt
• oxygen
• glucose

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

Two examples of carbohydrates are

• fatty acids and glycerol
• fats and waxes
• sugars and starches
• amino acids and alcohol

Amino acids are the building blocks of which class of macromolecules?

• proteins
• lipids
• carbohydrates
• nucleotides

Tags

NGSS.HS-LS1-6

How many different amino acids are there?

• 4
• 20
• 6
• 46

The building blocks of nucleic acids are called ...

• amino acids
• nucleotides
• carbohydrates
• proteins

Based on the graph, what temperature does this enzyme work best? 

• 15 C
• 40 C
• 30 C

Tags

NGSS.HS-PS1-5

Which of the following binds to the active site of an enzyme? 

• substrate
• product
• codon
• none of the above