2.3 and 2.4 -Macromolecules and Enzyme Video Quiz

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1. Macromolecules video: Why is life built on carbon? *

1 point

carbon has 6 valence electrons

carbon has 4 valence electrons

carbon is everywhere

carbon doesn't bond with many things

2. Macromolecules video: Why do living things need nitrogen? *

1 point

nitrogen is used to make lipids

nitrogen is polar

nitrogen is used to make carboxyl groups

nitrogen is used to make amino acids

3. Macromolecules video: Polymers are made up of.... *

1 point

monomers

substrates

enzymes

proteins

4. Macromolecules video: What are the building blocks (monomers) of nucleic acids? *

1 point

nucleotides

amino acids

fatty acids

ATP

5. Macromolecules video: What determines the shape of a protein? *

1 point

how the amino acids react with fats

the interactions of the side groups of the amino acids

how carbon reacts with hydrogen

how enzymes break bonds

6. Macromolecules video: What is an example of an unsaturated lipid? *

1 point

butter

olive oil

lard

wax

7. Macromolecules video: Polysaccharides.... *

1 point

are made up of 1 monosaccharide

are made up of 2 monosaccharrides

are made up of hundreds of glucose molecules bonded together

an example would be sucrose

8. Enzymes video: Enzymes.... *

1 point

are consumed in a reation

speed up a reaction

are made of lipids

are produced in a reaction

9. Enzymes video: What is the substrate in Mr. Anderson's example? *

1 point

H20

CO2

C6H12O6

H2O2

10. Enzymes video: Enzymes... *

1 point

lower the activation energy of a reaction

can catalyze many different reactions

raise the activation energy of a reaction

have no effect on a reation

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