Macromolecules Quiz

Macromolecules Quiz

14 Qs

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Macromolecules Quiz

Macromolecules Quiz

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Kelly Langford

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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

An advertisement for a health supplement for dogs claims to build lean muscle and strengthen tendons and ligaments, as well as provide energy. Which two biomolecules must the supplement contain to provide these benefits?

Carbohydrates and lipids
Proteins and carbohydrates
Nucleic acids and carbohydrates
Lipids and nucleic acids

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Fructose is a simple sugar that can be a source of energy for the body. What type of organic molecule is fructose?

carbohydrate
lipid
protein
nucleic acid

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Meteorites that contain organic compounds have been found on Earth. Some scientists think the organic compound in meteorites may have provided the elements needed for life on Earth. Which element forms the backbone of organic compounds?

carbon
nickel
phosphorus
sodium

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Glycogen is a polysaccharide stored in animal cells. When glycogen is broken down, glucose is produced. Some people's cells are unable to break down glycogen. Which of the following would most likely be observed in a person who is unable to break down glycogen?

a swelling of the joints
an inability to digest proteins
a low energy level and muscle weakness
a rapid heartbeat and fast metabolism

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Waxes create a waterproof layer on the outside of some living organisms. To which group of organic molecules do waxes belong?

carbohydrates
lipids
proteins
nucleic acids

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

Which best summarizes the role of DNA in the production of proteins?

DNA moves to the cytoplasm to destroy proteins
DNA transports lipids to the ribosomes to make proteins
DNA contains the instructions used to make proteins
DNA breaks hydrogen bonds between amino acids.

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which best explains why the rate of biochemical reaction decreases at high temperatures?

The activation energy increases.
The shape of the enzyme changes.
The enzyme-substrate complex forms.
The bonds between the substrates are broken.

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