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Characteristics of Life Review

Total questions: 51

Worksheet time: 27mins

Name
Class
Date
1.

Which of the following macromolecules are sugars?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

2.

Which of the following macromolecules are fats?

a)

Nucleic Acids

b)

Proteins

c)

Lipids

d)

Carbohydrates

3.

Which of the following macromolecules make up enzymes?

a)

Carbohydrates

b)

Proteins

c)

Lipids

d)

Nucleic Acids

4.

Which of the following macromolecules make up DNA and RNA?

a)

Proteins

b)

Lipids

c)

Carbohydrates

d)

Nucleic Acids

5.

What is the monomer for Carbohydrates?

a)

Polysaccharides

b)

monosaccharides

c)

fatty acids

d)

nucleic acids

6.

What is the monomer for proteins?

a)

monosaccharides

b)

fatty acids

c)

amino acids

d)

nucleic acid

7.

What is the monomer for nucleic acids?

a)

nucleotides

b)

monosaccharides

c)

amino acid

d)

glycerol

8.

What is the monomer for lipids?

a)

fatty acids

b)

amino acids

c)

monosaccharide

d)

glycerol

9.

Which of the following is a polymer for lipids?

a)

DNA

b)

triglyceride

c)

polypeptide

d)

polysaccharide

10.

Polysaccharide is a polymer for which macromolecule?

a)

lipids

b)

nucleic acids

c)

Carbohydrates

d)

Proteins

11.

amino acid monomers combine to form which polymer?

a)

polypeptides

b)

polysaccharide

c)

RNA

d)

Phospholipid

12.

amino acids are held together by what type of bond?

a)

hydrogen bond

b)

peptide bond

c)

oxygen bond

d)

ionic bond

13.

Which of the following is an example of growth and development?

a)

When your stomach growls, you eat

b)

A baby learns to walk at 18 months old.

c)

Plankton are single-celled organisms

d)

A student shivers when it's cold

14.

Lipids serve all of the following functions EXCEPT

a)

Protect and cushion organs

b)

Help to keep us warm

c)

store energy for long term

d)

make up enzymes

15.

The function of a carbohydrate is to _____.

a)

be used for fast energy

b)

Store energy for long term

c)

Make DNA

d)

make up enzymes

16.

DNA serves the following functions EXCEPT....

a)

determines amino acid sequences

b)

determines how an organism will look

c)

store genetic code

d)

protects and cushions organs

17.

Which of the following is an example of maintaining homeostasis?

a)

When running, the blood vessels dilate to allow heat to escape the body

b)

Siblings have similar DNA but not identical DNA

c)

Humans have trillions of cells

d)

A seed grows into an oak tree

18.
a)

Triglyceride

b)

Phospholipid

c)

DNA

d)

saturated fatty acid

19.
a)

saturated fatty acid

b)

Triglyceride

c)

unsaturated fatty acid

d)

Amino acid

20.
a)

Triglyceride

b)

Phospholipid

c)

amino acid

d)

RNA

21.
a)

Amino acid

b)

Phospholipid

c)

Unsaturated fatty acid

d)

Saturated fatty acid

22.
a)

Nucleotide

b)

Amino acid

c)

lipid

d)

protein

23.

Cholesterol belongs to which macromolecule?

a)

It is a protein

b)

It is a lipid

c)

It is a carbohydrate

d)

It is a nucleic acid

24.

Which of the following is used to make steroid hormones?

a)

Starch

b)

Cholesterol

c)

Fatty acids

d)

Proteins

25.

Starch belongs to which macromolecule?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

amino acids

26.

Which enzyme breaks down starch and is found in saliva?

a)

protease

b)

amylase

c)

lipase

d)

sucrose

27.

Which enzyme do you think would be used to break down lipids?

a)

lipase

b)

Protease

c)

amylase

d)

lactase

28.

Which enzyme do you think would be used to break down proteins?

a)

Lipase

b)

Lactase

c)

Protease

d)

amylase

29.

How can you recognize an enzyme?

a)

Enzyme names end in "ase"

b)

Enzyme names end in "ose"

c)

Enzyme names end in "en"

d)

Enzyme names start with "pre"

30.

How can you recognize a sugar?

a)

Sugars do not have a pattern in their naming

b)

Many sugars end in "ose"

c)

Sugars start with "gly"

d)

Sugars end in "ase"

31.

Which picture shows the enzyme-substrate complex?

a)
b)
c)
32.

Which picture is pointing to the active site of an enzyme?

a)
b)
c)
33.

Which picture is pointing to the substrate of an enzyme?

a)
b)
c)
34.

Which picture is pointing to the enzyme itself?

a)
b)
c)
35.
a)

nucleotide

b)

cholesterol

c)

phospholipid

d)

amino acid

36.
a)

RNA

b)

cholesterol

c)

DNA

d)

triglyceride

37.

Which of the following could cause an enzyme to denature? Select all that apply.

a)

very acidic conditions

b)

shivering

c)

a very high fever that lasts several days

d)

sweating

38.

What is produced during photosynthesis?

a)

Proteins

b)

Glucose

c)

Lactase

d)

triglycerides

39.

Which of the following is most likely an enzyme?

a)

Lactase

b)

lactose

c)

glycogen

d)

cellulose

40.

Which of the following is TRUE about viruses?

a)

viruses cannot reproduce

b)

viruses make their own ATP

c)

viruses cannot respond to stimuli

d)

viruses can reproduce with a host cell

41.

What does a pathogen mean?

a)

any organism that can cause an infectious diesease

b)

Any organism that is single celled

c)

any organism that does not originate inside the body

d)

all bacteria

42.

What type of reproduction only needs one parent?

a)

fertilizing a fish's eggs

b)

sexual reproduction

c)

asexual reproduction

43.

All of the chemical processes that build up or break down materials is known as ____.

a)

metabolism

b)

energy

c)

reproduction

d)

photosynthesis

44.

The ability to cause change or do work is _____.

a)

metabolism

b)

reproduction

c)

homeostasis

d)

energy

45.

Lowers the activation energy and increases the rate of a chemical reaction

a)

Cholesterol

b)

A lipid

c)

A catalyst

d)

Metabolism

46.

What would most likely be the substrate for lactase?

a)

lactose

b)

protein

c)

DNA

d)

starch

47.

Which of the following does NOT affect enzyme function?

a)

The shape

b)

The temperature

c)

The pH

d)

The humidity outside

48.

Proteins contain which elements? Select all that apply

a)

Carbon

b)

Oxygen

c)

Hydrogen

d)

Phosphorus

e)

Nitrogen

49.

Lipids contain which elements? Select all that apply

a)

Nitrogen

b)

Oxygen

c)

Phosphorus

d)

Hydrogen

e)

Carbon

50.

Nucleic Acids contain which elements? Select all that apply

a)

Nitrogen

b)

Oxygen

c)

Phosphorus

d)

Hydrogen

e)

Carbon

51.

Carbohydrates contain which elements? Select all that apply

a)

Hydrogen

b)

Carbon

c)

Phosphorus

d)

Nitrogen

e)

Oxygen

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