What are the four macromolecules?

proteins, nucleic acids, carbohydrates, and lipids

monosaccharides, lipids, polysaccaharides, and proteins

RNA, DNA, proteins, and carbohydrates

proteins, DNA, RNA, and steroids

All carbohydrates are:

composed of carbon, hydrogen and oxygen atoms

composed of carbon, hydrogen, oxygen and nitrogen atoms

Which of the following is NOT a function of proteins?

form parts of tissues such as bone and muscle

serve as catalysts that control the rate of chemical reactions in the cell

break molecules down like in digestion

build molecules up like in DNA replication

have no effect on the rate of the chemical reaction

Proteins are among the most diverse group of macromolecules because of the:

different amino acids that can be connected in many sequences

link between each DNA base and an amino acid in a protein

energy phosphate groups that the amino acids contain

different types of bonds linking amino acids together

What is the function/purpose of carbohydrates?

build skin, hair, nails, muscles

What is an enzyme and what does it do?

it is a special protein that can build up or break down molecules

It is a special lipid that holds fatty acids together

It is a special carbohydrate that puts monosaccharides together

It is a special pac-man organism that eats molecules like cookie monster eats cookies

What does dehydration synthesis do?

water lost when monomers bond together to form polymers

water added to break down polymers

Water lost to break down polymers

water added to build up a polymer

What is hydrolysis used for?

Water is added to break down polymers into monomers

Water is lost when polymers break down into monomers

Water is added to build up monomers to form a polymer

Water is lost when monomers combine to form a polymer

What are the behaviors of a hydroxyl group?

Makes molecules dissolvable in water

Why is fat an important part of our diet?

Because it carries so much energy

Because it contains nutrients you can't get from anything else

Because it contain oxygen atoms

What is the key difference between saturated and unsaturated fats?

Saturated fats stay solid at room temperature; unsaturated fats are usually liquid

Saturated fats are usually liquid at room temperature; unsaturated fats are usually solid

Saturated fats can be found in vegetable oils, unsaturated fats can be found in animal products

Saturated fats are healthier than unsaturated fats

What type of fat molecule is this and why?

Saturated, because all of the carbons are surrounded by hydrogen

Unsaturated, because all of the carbons are filled up with hydrogens

Saturated, because there are some carbons missing a hydrogen

Unsaturated, because some carbons are missing a hydrogen

Macromolecules

Authored by Lacey Jones

Biology, Chemistry

9th Grade - University

NGSS covered

Used 218+ times

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55 questions

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MULTIPLE SELECT QUESTION

30 sec • 1 pt

What are the purposes/functions of lipids?

make up our cell membranes

build muscle mass

insulation

long term energy

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which are enzymes?

simple carbohydrates

proteins that speed up chemical reactions

lipids that make up the cell membrane

a building block of DNA

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which are examples of Nucleic Acids?

proteins

DNA

amino acids

RNA

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Another name for fats and oils

proteins

sugar

lipids

nucleic acids

MULTIPLE CHOICE QUESTION

1 min • 1 pt

All polymers are made up of...

monosaccharides

monomers

proteins

None of these

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Lipids are made up of which of the following?

glycerol and fatty acids

glycerol and monolipids

fatty acids and phosolipids

amino acids and nucleotides

MULTIPLE SELECT QUESTION

1 min • 1 pt

What is the function of nucleic acids?

Stores energy

Stores genetic information

codes for the proteins that determine our traits

Physical structure

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Macromolecules

What are the purposes/functions of lipids?

Which are enzymes?

Which are examples of Nucleic Acids?

Another name for fats and oils

All polymers are made up of...

Lipids are made up of which of the following?

What is the function of nucleic acids?

Phospholipids are used in what biological structure?

What is the monomer of nucleic acids?

Which of the following is a lipid?

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