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Unit 1 Review

Total questions: 60

Worksheet time: 30mins

Name
Class
Date
1.

What type of bond is found in water molecules?

a)

Covalent

b)

Hydrogen

c)

Ionic

d)

Van der Waals

2.

The water property responsible for water movement up the stem of a plant.

a)

Specific Heat

b)

Surface Tension

c)

Adhesion & Cohesion

d)

Density of water

3.

What type of bond is found between water molecules?

a)

Ionic

b)

Hydrogen

c)

Van der Waals

d)

Covalent

4.

Water property responsible for lake life surviving winter?

a)

Surface Tension

b)

Specific Heat

c)

Adhesion & Cohesion

d)

Water less dense as a solid

5.

What property is responsible for a water strider walking across water?

a)

Adhesion

b)

Evaporative Cooling

c)

Cohesion

d)

Specific Heat

6.

Property of water used to keep organisms cool during sweating

a)

Evaporative Cooling

b)

Adhesion

c)

Cohesion

d)

Density of Water

7.

Where are hydrogen bonds found in proteins?

a)

Between amino acids

b)

Between the backbone

c)

Between the R groups

d)

Between polypeptides

8.

Where are hydrogen bonds found in nucleic acids?

a)

Between carbons of sugar rings

b)

Between nucleotides

c)

Between nitrogenous bases

d)

Between phosphates

9.

A macromolecule has C, H, O, N, and S. What is the molecule?

a)

Proteins

b)

Lipids

c)

Nucleic Acids

d)

Carbohydrates

10.

A macromolecule has C, H, O, N, and P. What is the macromolecule?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

11.

How many valence electrons are found in Carbon?

a)

1

b)

2

c)

3

d)

4

12.

What type of bond does Carbon form with other atoms?

a)

Hydrogen

b)

Ionic

c)

Covalent

d)

Van der Waals

13.

Which of the following macromolecules include nitrogen?

a)

Carbohydrates & Lipids

b)

Lipids & Nucleic Acids

c)

Nucleic Acids & Proteins

d)

Proteins & Carbohydrates

14.

Which of the following macromolecules has sulfur?

a)

Proteins

b)

Fat

c)

Carbohydrates

d)

Nucleic Acids

15.

Which macromolecule has a 1:2:1 ratio of C:H:O?

a)

Lipids

b)

Carbohydrates

c)

Proteins

d)

Nucleic Acids

16.

Phospholipids are a type of lipid that includes?

a)

Nitrogen

b)

Sulfur

c)

Phosphorous

17.

The process of breaking bonds by splitting water

a)

Dehydration

b)

Hydrolysis

18.

What is formed from hydrolysis of proteins?

a)

Amino Acids

b)

Glycerol & Fatty Acids

c)

Monosaccharides

d)

Nucleotides

19.

Process of forming bonds by removing water molecules?

a)

Dehydration

b)

Hydrolysis

20.

Dehydration with nucleotides form what?

a)

Carbohydrates

b)

Nucleic Acids

c)

Protein

d)

Triglyceride

21.

Reaction to synthesize polymers from monomers

a)

Dehydration

b)

Hydrolysis

22.

Reaction to remove monomers from polymers

a)

Dehydration

b)

Hydrolysis

23.

Type of bond broken when amino acids released

a)

Ester Linkage

b)

Peptide Bond

c)

Phosphodiester Linkage

24.

If R group is polar, how does the section fold?

a)

Folds in because hydrophilic

b)

Folds out because hydrophilic

c)

Folds in because hydrophobic

d)

Folds out because hydrophobic

25.

What level of structure does the R group interaction effect?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

26.

Which lipid makes up the plasma membrane?

a)

Fats

b)

Phospholipids

c)

Sterioids

27.

What is the function of cellulose?

a)

Storage carbohydrate for animals

b)

Storage carbohydrate for plants

c)

Structural carbohydrate for animals

d)

Structural carbohydrate for plants

28.

What type of fatty acid has double bonds to inhibit compression?

a)

Saturated

b)

Unsaturated

29.

Which of the following is the monomer of carbohydrates?

a)

Amino Acids

b)

Fatty Acids

c)

Monosaccharides

d)

Nucleotides

30.

Which of the following is the monomer of proteins?

a)

Amino Acids

b)

Fatty Acid

c)

Monosaccharide

d)

Nucleotide

31.

Which of the following is the monomer of nucleic acids?

a)

Amino Acid

b)

Fatty Acid

c)

Monosaccharide

d)

Nucleotide

32.

Lipids are not considered polymers since they have no monomers.

a)

True

b)

False

33.

DNA and RNA differ in their sugar and a nitrogenous base. DNA has....

a)

Deoxyribose; Thymine

b)

Deoxyribose; Uracil

c)

Ribose; Thymine

d)

Ribose; Uracil

34.

DNA and RNA differ in their sugar and a nitrogenous base. RNA has ....

a)

Deoxyribose; Thymine

b)

Deoxyribose; Uracil

c)

Ribose; Thymine

d)

Ribose; Uracil

35.

Hydrophilic side chains will fold ____ of the polypeptide.

a)

Towards the exterior

b)

Towards the interior

c)

No affect on folding

36.

Which side chain of amino acids would fold inward?

a)

Charged

b)

Hydrophilic

c)

Hydrophobic

37.

Which describes polarity of phospholipids?

a)

Polar head facing exterior, fatty acid tails face interior

b)

Polar heads facing interior, fatty acid tails face exterior

c)

Both polar head and fatty acid tails is hydrophobic

d)

Both polar head and fatty acid tails is hydrophilic

38.

What is at the 5' end of a nucleic acid?

a)

Carbon

b)

Hydroxyl

c)

Nitrogenous Base

d)

Phosphate

39.

What is at the 3' end of a nucleic acid?

a)

Carbon

b)

Hydroxyl

c)

Nitrogenous Base

d)

Phosphate

40.

What is the direction of DNA synthesis?

a)

3' to 5'

b)

5' to 3'

c)

It's anti-parallel so either direction is correct.

41.

What type of bond is found between nitrogenous bases?

a)

Van der Waals

b)

Ionic

c)

Hydrogen

d)

Covalent

42.

Where are new bonds formed in a growing polypeptide?

a)

Amine Group

b)

Carboxyl Group

c)

Hydrogen

d)

R-group

43.

What is the bond between amino acids called?

a)

Glycosidic Linkage

b)

Ester bond

c)

Phosphodiester linkage

d)

Peptide Bond

44.

What level of protein structure is described as hydrogen bonds between the backbone?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

45.

What level of protein structure is described as peptide bonds between amino acids?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

46.

What level of protein structure is described as bonding between two polypeptide chains?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

47.

What level of protein structure is described as alpha helix/beta-pleated sheets?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

48.

What level of protein structure is described as bonding between the R-groups or the final three-dimensional shape?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

49.

What bonds with adenine in DNA?

a)

Cytosine

b)

Guanine

c)

Thymine

d)

Uracil

50.

How many hydrogen bonds are found between C & G?

a)

1

b)

2

c)

3

d)

4

51.

How many hydrogen bonds are found between A & T?

a)

1

b)

2

c)

3

d)

4

52.

What is the type of bond in the secondary structure of proteins?

a)

Covalent

b)

Hydrogen

c)

Ionic

d)

Peptide

53.

The tertiary structure involves interactions of the

a)

Amino Group

b)

Carboxyl Group

c)

Hydrogen

d)

R Group

54.

What is the type of bond found in the primary structure of proteins?

a)

Covalent

b)

Hydrogen

c)

Ionic

d)

Peptide

55.

Which describes the orientation for the new peptide bond?

a)

Amino to Amino

b)

Amino to Carboxyl

c)

Carboxyl to Amino

d)

Carboxyl to Carboxyl

56.

When new nucleotides are added, which side does it add to?

a)

3' end

b)

5' end

57.

How does the pentose sugar differ between DNA and RNA?

a)

DNA= Deoxyribose, RNA= ribose

b)

DNA= dextrose, RNA= ribose

c)

DNA= deoxyribose, RNA= ribozyme

d)

DNA= dextrose, RNA= ribozyme

58.

How do DNA and RNA strands differ?

a)

DNA-single stranded, RNA-double stranded

b)

DNA - single stranded, RNA - triple stranded

c)

DNA - double stranded, RNA - single stranded

d)

DNA - triple stranded, RNA - single stranded

59.

Which nitrogenous base is not found in DNA?

a)

Adenine

b)

Cytosine

c)

Thymine

d)

Uracil

60.

What is the pentose sugar found in DNA?

a)

Deoxyribose

b)

Dextrose

c)

Ribose

d)

Rubisco

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