MCAS Review 6/1

Water is classified as an inorganic compound because it

• does not contain carbon
• does not contain nitrogen
• contains hydrogen
• contains oxygen

In the diagram which substance belongs in area Z?

• water
• oxygen
• nitrogen
• carbon

Tags

NGSS.MS-PS1-1

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.

Tags

NGSS.HS-PS1-2

Base your answers on the graph and your knowledge of biology.
Neither enzyme works at a pH of

• 1
• 5
• 3
• 13

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

• synthesis
• specificity
• replication
• denaturation

An energy-rich organic compound needed by organisms is

• water
• salt
• oxygen
• glucose

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

Two examples of carbohydrates are

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

What is the major component of plasma membranes?

• lipids
• carbohydrates
• nucleotides
• proteins

The basic building blocks of a protein are

• glucose molecules
• amino acids
• hormones
• fats

Tags

NGSS.MS-LS3-1

In which type of molecule is the ratio of hydrogen to oxygen usually 2 to 1?

• lipid
• protein
• carbohydrate
• glycerol