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Ch4b - Biomolecules

Total questions: 37

Worksheet time: 19mins

Name
Class
Date
1.

Fructose is a:

a)

monosaccharide

b)

disaccharide

c)

trisaccharide

d)

polysaccharide

2.

Lactose is a:

a)

monosaccharide

b)

disaccharide

c)

trisaccharide

d)

polysaccharide

3.

Amylose is a:

a)

monosaccharide

b)

disaccharide

c)

trisaccharide

d)

polysaccharide

4.

Animals store carbohydrates in the form of:

a)

glucose

b)

maltose

c)

starch

d)

glycogen

5.

Plants store carbohydrates in the form of:

a)

glucose

b)

maltose

c)

starch

d)

glycogen

6.

What type of organic molecule is shown?

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

7.

What type of organic molecule is shown?

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

8.

What base and sugar is found in DNA but not RNA?

a)

uracil; ribose

b)

thymine; deoxyribose

c)

adenine; deoxyribose

d)

adenine; ribose

9.

Enzymes are a type of:

a)

carb

b)

protein

c)

nucleic acid

d)

lipid

10.

Substrates are a type of:

a)

carb

b)

lipid

c)

protein

d)

Can be any of these

11.

Transcription is:

a)

Making mRNA from DNA

b)

Making DNA from mRNA

c)

Replicating DNA

d)

Making protein from mRNA

12.

Translation is:

a)

Making mRNA from DNA

b)

Making DNA from mRNA

c)

Replicating DNA

d)

Making protein from mRNA

13.

Replication is:

a)

Making mRNA from DNA

b)

Making DNA from mRNA

c)

Making DNA from DNA

d)

Making protein from mRNA

14.

Organic chemistry is the study of:

a)

Oxygen-containing compounds

b)

Hydrogen-containing compounds

c)

Carbon-containing compounds

d)

Nitrogen-containing compounds

15.

Which of these compounds is organic?

a)

C6H1206

b)

CO2

c)

H2O

d)

HCl

16.

Smallest nonliving unit of matter:

a)

element

b)

compound

c)

molecule

d)

atom

17.

The majority of living things are made up of:

a)

NCHOPS

b)

OXPHOS

c)

Mg, As, Se

d)

Ca, Mg, Na, Cl

18.

Carbon is unique because it can make ___ bonds.

a)

2

b)

20

c)

4

d)

12

19.

Groups added to organic molecules that give them their specific functions:

a)

isomers

b)

functional groups

c)

reactive groups

d)

goof troops

20.

Which of the following is a biomolecule?

a)

CO2

b)

H2O

c)

Glucose

d)

O2

21.

___________ is the reaction that breaks maltose into 2 glucose molecules

a)

dehydration synthesis

b)

hydrolysis

c)

carbonic acid buffer system

d)

combustion

22.
a)

Dehydration synthesis

b)

Hydrolysis

c)

Combustion

d)

Radioactivity

23.

Dehydration synthesis and hydrolysis reactions both alter compounds by utilizing which molecule:

a)

H2O

b)

CO2

c)

O2

d)

Mg+

24.

Glucose, Fructose, and Galactose are all isomers.

a)

True

b)

False

25.

Main energy source for most living things:

a)

Glucose

b)

Lactose

c)

Starch

d)

Fructose

26.

Bonds added to sugar molecules during dehydration synthesis reactions are called:

a)

glycosidic bonds

b)

peptide bonds

c)

hydrogen bonds

d)

ionic bonds

27.

Fatty acids are found in which biomolecule?

a)

lipids

b)

carbs

c)

nucleic acids

d)

proteins

28.

Molecules that speed up chemical reactions:

a)

substrates

b)

enzymes

c)

lipids

d)

carbs

29.

Proteins that become denatured:

a)

lose their function

b)

get larger

c)

speed up reactions

d)

lose enrgy

30.

The monomers of DNA/RNA are:

a)

nucleotides

b)

amino acids

c)

monosaccharides

d)

fatty acids

31.

The monomers of proteins are:

a)

nucleotides

b)

amino acids

c)

monosaccharides

d)

fatty acids

32.

The smallest monomers of non-steroidal lipids are:

a)

nucleotides

b)

amino acids

c)

monosaccharides

d)

fatty acids

33.

Bonds between nucleotides are:

a)

phosphodiester

b)

ionic

c)

hydrogen

d)

covalent

34.

#3 is the:

a)

enzyme

b)

substrate

c)

enzyme-substrate complex

d)

product

35.

#2 is the:

a)

enzyme

b)

substrate

c)

enzyme-substrate complex

d)

product

36.

#1 is the:

a)

enzyme

b)

substrate

c)

enzyme-substrate complex

d)

product

37.

#4 is the:

a)

enzyme

b)

substrate

c)

enzyme-substrate complex

d)

product

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