Saturated fats like butter are solid at room temperature; while unsaturated fats, such as olive oil, are liquid at room temperature. Which of the following is an explanation for the difference in these two types of fat?

Saturated fats have straight chains, while unsaturated fats have bent chains

Saturated fats have bent chains, while unsaturated fats have straight chains

Saturated fats have no chains; while unsaturated fats have chains

Saturated fats have chains; while unsaturated fats have no chains

An advertisement for a health supplement for a dog 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?

B. nucleic acids and carbohydrates

Which two biomolecules are a source of energy for the body?

B. nucleic acids and carbohydrates

Which of the following is not a function of proteins?

D. store and pass on genetic information

A. build tissues such as bone and muscle

B. control the rate of reactions and regulate cell processes

What is an advantage of lowering the activation energy of a reaction?

It allows the reaction to proceed more quickly.

It changes the optimum (best) pH of the enzyme.

It prevents chemicals from reacting when they should.

It allows reactions to proceed at higher temperatures.

What is an active site?

the area of an enzyme where the substrate binds is called the active site

the arrow in a chemical equation represents the active site

when a reactant turns into a product, it is referred to as the active site

the entire enzyme is also called the active site

What is the difference between DNA and RNA?

DNA is double-stranded and RNA is single-stranded

DNA is used for protein synthesis and RNA is used for lipid synthesis

DNA has more ionic bonds than RNA

Which of the following categories of organic molecules is correctly paired with one of its functions?

proteins - provide structure in skin, hair, and nails, muscles

nucleic acids - digest dead cells

lipids - give quick energy to cells

carbohydrates - store genetic information

How is a specific enzyme able to catalyze a specific reaction?

An enzyme binds to a specific substrate for the reaction that is catalyzed.

Different enzymes are synthesized in specific areas of the cytoplasm.

Most enzymes can catalyze many different reactions.

Enzymes are transported to specific substrates (reactants) by ribosomes.

Which list correctly matches the functions to the types of carbohydrates?

Energy: glycogen and starch Structure: cellulose and chitin

Energy: cellulose and starch Structure: chitin and glycogen

Energy: chitin and glycogen Structure: cellulose and starch

Energy: cellulose and chitin Structure: glycogen and starch

What are the three components of a nucleotide?

Sugar, phosphate, nitrogenous base, hydrogen

Sugar, phosphate, nitrogenous base, sulfur

Sugar, phosphate, nitrogenous base, oxygen

Sugar, phosphate, nitrogenous base, carbon

What is the difference between DNA & RNA?

DNA is Double Stranded & RNA is Single Stranded

RNA is double stranded & DNA is Single Stranded.

Unit 02 Biomolecules REVIEW

Quiz

•

Science

•

12th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS1-6, HS-LS1-1, HS-LS1-7

+8

Standards-aligned

Brittany Rosch

Used 9+ times

FREE Resource

51 questions

Show all answers

1.

DRAG AND DROP QUESTION

30 sec • 1 pt

Which is an example of a carbohydrates (a) .

amino acid

DNA

Fat

Sugar

2.

DRAG AND DROP QUESTION

30 sec • 1 pt

Which is an example of a protein (a) .

Starch

DNA

Fat

Amino Acid

3.

DRAG AND DROP QUESTION

30 sec • 1 pt

Which is an example of a Lipid (a) .

amino acid

DNA

sugar

Oil

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which macromolecule can be found in the center of the cell’s nucleus?

carbohydrates

lipids

proteins

nucleic acids

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In plant cells, the cell wall is made of _______.

cellulose

starch

chitin

glycogen

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these elements is found in carbohydrates?

CHO

CHOP

CHON

CHONP

Which of these elements is found in Lipids?

CHO

CHOP

CHON

CHONP

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Unit 02 Biomolecules REVIEW

51 questions

Which is an example of a carbohydrates (a) .

Which is an example of a protein (a) .

Which is an example of a Lipid (a) .

Which macromolecule can be found in the center of the cell’s nucleus?

In plant cells, the cell wall is made of _______.

Which of these elements is found in carbohydrates?

Which of these elements is found in Lipids?

Which of these elements is found in Proteins?

Which of these elements is found in Nucleic Acids?

Which of these elements is NOT found in carbohydrates or lipids?

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