Macros and Enzymes Check

Which macromolecule is seen below

• nucleic acid

• carbohydrate

• lipid

• protein

Which macromolecule is used for short-term energy and structural purposes like plant cell walls and animal exoskeletons?

• nucleic acid

• carbohydrate

• lipid

• protein

Which is NOT a function of protein

• grow and repair cells

• act as genetic material

• make antibodies

• speed up chemical reactions

Which macromolecule acts as insulation and provides energy? This macromolecule also makes up the cell membrane.

• nucleic acid

• carbohydrate

• lipid

• protein

The job of enzymes is to speed up chemical reactions by

• creating more product

• lowering activation energy

• adding more energy to the reactants

• adding more time to the reaction

Tags

NGSS.HS-PS1-4

Enzymes can be affected by

• Temperature

• pH

• substrate concentration

• All of the above

True or false, enzymes can be re-used after a reaction

• true

• false

Why does the enzyme Catalase breakdown hydrogen peroxide but not glucose?

• glucose is too large

• enzymes are specific and can only catalyze one type of reaction

• it can breakdown glucose, but not past a certain temperature

• glucose is too acidic

What is the optimum temperature for this enzyme?

• 60 degrees

• 0 degrees

• 20 degrees

• 40 degrees

Sugar belongs to which class of macromolecules?

• proteins

• lipids

• nucleic acids

• carbohydrates

Tags

NGSS.MS-PS1-1