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

proteins—provide structure in skin, hair, and nails

nucleic acids—digest dead cells

lipids—give quick energy to cells

carbohydrates—store genetic information

Cellulose is a complex carbohydrate that makes up the cell walls of plants. Which of the following elements are main components of cellulose?

Calcium, magnesium, and potassium

Nitrogen, phosphorus, and sulfur

A long molecule consisting of many similar or identical monomers linked together.

Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur-elements that make up all living things.

A small molecule that can join to form a polymer.

A large molecule made of many monomers.

A chemical reaction that breaks down polymers.

A type of protein that builds muscle.

What is the definition of an atom?

the smallest particle of an element

An atom is a type of chemical bond between elements.

An atom is the largest unit of matter in the universe.

An atom is a molecule made up of two or more elements.

What are the four classes of macromolecules?

Carbohydrates, Proteins, Lipids, Nucleic Acids

Vitamins, Minerals, Water, Fiber

Enzymes, Hormones, Antibodies, Carbohydrates

What is the definition of a molecule?

A molecule is two or more atoms bonded together.

A molecule is a type of chemical reaction.

A molecule is a mixture of different substances.

What is the definition of a macromolecule?

A very large organic molecule composed of many smaller molecules

A macromolecule is a simple sugar that provides energy to cells.

A macromolecule is a type of atom found in all living organisms.

A macromolecule is a small molecule that cannot be broken down further.

What is a nucleotide?

A nucleotide is a molecule made up of a nitrogenous base, a sugar, and a phosphate group.

A nucleotide is a type of protein.

A nucleotide is a complex carbohydrate.

A nucleotide is a single sugar molecule.

what is an amino acid?

Amino acids are a type of carbohydrate.

Amino acids are inorganic compounds found in minerals.

Amino acids are vitamins essential for metabolism.

What is a nucleotide?

A nucleotide is a molecule made up of a nitrogenous base, a sugar, and a phosphate group.

A protein is a vitamin that helps in digestion.

A protein is a small molecule that cannot perform any functions.

A protein is a type of carbohydrate found in plants.

What is a carbohydrate?

macromolecule, C,H,O in 1:2:1 ratio. energy source and structural functions

A carbohydrate is a type of protein found in meat.

A carbohydrate is a mineral essential for bone health.

A carbohydrate is a synthetic compound used in plastics.

Energy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.

A lipid is a type of carbohydrate that is soluble in water.

A lipid is a protein that helps in muscle building.

A lipid is a mineral that is essential for bone health.

What is the definition of a nucleic acids?

Nucleic acids are proteins that catalyze biochemical reactions.

Nucleic acids are small molecules that provide energy to cells.

Nucleic acids are lipids that form cell membranes.

Macromolecules 24-25

Authored by Geoffrey Catania

others

9th - 12th Grade

Used 6+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Milk contains a high concentration of the carbohydrate lactose. What is the basic structure of lactose?

two monosaccharides joined together

a chain of amino acids in a helix shape

two fatty acids joined to a phosphate group

a chain of alternating sugar and phosphate groups

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A cell membrane has a double layer of molecules. These molecules are made up of a phosphorus-containing “head” and two long, fatty acid “tails.”Which of the following best explains why the molecules are classified as lipids?

They contain phosphorus.

They form a double layer.

They are made up of fatty acids.

They are found in the cell membrane.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which group of organic compounds contains fatty acids?

carbohydrates

lipids

nucleic acids

proteins

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do disaccharides, such as sucrose, and polysaccharides, such as starch, have in common?

They are lipids made of fatty acids.

They are proteins made of amino acids.

They are nucleic acids made of nucleotides.

They are carbohydrates made of simple sugars.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A student is preparing to run in a school track competition. For the quickest source of energy, the student should eat a food that contains a high percentage of

carbohydrates

fat

proteins

sodium

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of molecule in the yolk of a chicken egg provides the most energy for a developing chick?

lipid

nucleic acid

salt

water

protein

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best describes the composition of a nucleotide?

a pair of six-carbon rings attached to each other

a carbon atom joined to hydrogen and three functional groups

a chain of carbon atoms with a carboxyl group bonded to one end

a five-carbon sugar attached to a phosphate group and a nitrogenous base

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Macromolecules 24-25

Milk contains a high concentration of the carbohydrate lactose. What is the basic structure of lactose?

A cell membrane has a double layer of molecules. These molecules are made up of a phosphorus-containing “head” and two long, fatty acid “tails.”Which of the following best explains why the molecules are classified as lipids?

Which group of organic compounds contains fatty acids?

What do disaccharides, such as sucrose, and polysaccharides, such as starch, have in common?

A student is preparing to run in a school track competition. For the quickest source of energy, the student should eat a food that contains a high percentage of

Which type of molecule in the yolk of a chicken egg provides the most energy for a developing chick?

Which of the following best describes the composition of a nucleotide?

One category of organic compounds contains molecules composed of long hydrocarbon chains. The hydrocarbon chains may be saturated or unsaturated. Which of the following categories of organic compounds contains these molecules?

Some bacteria contain a substance called nitrogenase. Nitrogenase catalyzes the chemical reaction that converts atmospheric nitrogen (N2) into ammonia (NH3). Nitrogenase is an example of which of the following?

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

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