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Exam Review Part 2

Total questions: 57

Worksheet time: 30mins

Name
Class
Date
1.

Some carbon skeletons contain double bonds

a)

True

b)

False

2.

How many carbons and hydrogens are there in this carbon skeleton?

a)

7 carbons

9 hydrogens

b)

6 carbons

12 hydrogens

c)

5 carbons

6 hydrogens

d)

8 carbons

5 hydrogens

3.

How many carbons are there in 2-methylpentane?

a)

3 carbons

b)

6 carbons

c)

5 carbons

d)

7 carbons

4.

What type of isomer is this?

a)

Cis-trans isomer

b)

Enanitomers

c)

Structural isomer

5.

What type of isomer is this?

a)

Structural isomer

b)

Cis-trans isomer

c)

Enantiomer

6.

What type of isomer is this?

a)

Cis-trans isomer

b)

Structural isomer

c)

Enantiomer

7.

Which of the functional groups are nonpolar?

a)

Hydroxyl group

b)

Carboxyl group

c)

Phosphate group

d)

Methyl group

8.

Name the functional group

a)

Carboxyl group

b)

Amino group

c)

Sulfhydryl group

d)

Hydroxyl group

9.

Name the functional group

a)

Hydroxyl group

b)

Methyl group

c)

Carbonyl group

d)

Carboxyl group

10.

Name the functional group

a)

Carbonyl group

b)

Amino group

c)

Phosphate group

d)

Hydroxyl group

11.

Name the functional group

a)

Carboxyl group

b)

Amino group

c)

Methyl group

d)

Carbonyl group

12.

Name the functional group

a)

Hydroxyl group

b)

Phosphate group

c)

Sulfhydryl group

d)

Amino group

13.

Name the functional group

a)

Sulfhydryl group

b)

Carbonyl group

c)

Phosphate group

d)

Methyl group

14.

Name the functional group

a)

Hydroxyl group

b)

Carboxyl group

c)

Methyl group

d)

Amino group

15.

What are the 4 macromolecules?

a)

Lipids

b)

Carbohydrates

c)

Nucleic acids

d)

Proteins

e)

All of the above

16.

What are the monomers of Carbohydrates

a)

Amino acids

b)

Monosaccharides (glucose)

c)

Nucleotides

d)

None of the above

17.

True or false: dehydration synthesis is breaking of covalent bonds by the addition of water

a)

True

b)

False

18.

Identify the image

a)

Amino acid

b)

Nucleotide

c)

Lipid

d)

Glucose

19.

What type of bond is a glycosidic linkage?

a)

Covalent bond

b)

Hydrogen bond

20.

True of False: A disaccharide is formed when dehydration synthesis joins two monosaccharides

a)

True

b)

False

21.

What type of polysaccharide is starch?

a)

Structural polysaccharide

b)

Storage polysaccharide

22.

Glycogen is a storage polysaccharide found in which organism?

a)

Humans and certain types of animals

b)

Plants

23.

What type of polysaccharide of is cellulose?

a)

Storage polysacchride

b)

Structural polysaccharide

24.

The covalent bonding of two molecules to each other through the loss of water

a)

Hydrolysis

b)

Dehydration synthesis

25.

True or False: Lipids are hydrophilic

a)

True

b)

False

26.

Is this a unsaturated fat or a saturated fat?

a)

Unsaturated Fat

b)

Saturated Fat

27.

Is this a saturated fat or a unsaturated fat?

a)

Unsaturated fat

b)

Saturated fat

28.

Which is NOT an example of an unsaturated fat?

a)

Fish fats

b)

Canola oil

c)

Butter

d)

Olive oil

29.

Which part of a the phospholipid is polar & hydrophilic, and which part is nonpolar & hydrophobic?

a)

Polar, Hydrophilic

b)

Nonpolar, Hydrophobic

1
2
1)
2)
30.

True or False: The sex hormones testosterone and estradiol are lipids

a)

True

b)

False

31.

What type of lipid is cholesterol?

a)

Fat

b)

Phospholipid

c)

Steroid

32.

What are the monomers of proteins called

a)

Nucleotides

b)

Amino acids

c)

Monosaccharides

33.

What two functional groups can be found in an amino acid?

a)

Methyl group

Hydroxyl group

b)

Phosphate group

Amino group

c)

Carbonyl group

Amino group

d)

Amino group

Carboxyl group

34.

True or False: The R group/Side chain is the only thing that will vary in an amino acid

a)

True

b)

False

35.

What type of covalent bond hold the amino acids together in a protein?

a)

Glycosidic linkage

b)

Peptide bonds

c)

Phosphodiester linkages

36.

What are the monomers that make up a Nucleic acid?

a)

Monosaccharides

b)

Nucleotides

c)

Amino acids

37.

The polymer of nucleic acids are called

a)

Polysaccharides

b)

Polypeptides

c)

Polynucleotides

38.

Identify the Image

Which macromolecules contains this monomer?

a)

Carbohydrate

b)

Lipid

c)

Nucleic Acid

d)

Lipid

39.

Are these nitrogenous bases pyrimidines or purines?

a)

Purine

b)

Pyrimidine

40.

Are these nitrogenous bases purines or pyrimidines?

a)
Purines
b)
Pyrimidines
41.

Is this pentose sugar deoxyribose or ribose?

a)
Deoxyribose
b)
Ribose
42.

The 3' end of the polynucleotide is the end with the free

a)

Phosphate group

b)

Hydroxyl group

43.

The 5' end of the polynucleotide is the end with the free

a)

Phosphate group

b)

Hydroxyl group

44.

The nitrogenous bases in DNA have what type of bond in between them?

a)

Covalent bond

b)

Hydrogen bond

45.

True or False: The sugar-phosphate backbone in DNA run in the same direction.

a)

True

b)

False

46.

Adenine (A) is always with _______. Guanine (G) is always with ________.

(a)  

47.

In an ionic bond, after the transfer of the electron what charge does the atom that gains the electron have, and what charge does the one the loses the electron have?

a)
The atom that gains the electron has a positive charge, and the atom that loses the electron has a negative charge.
b)
Both atoms have a neutral charge after the transfer of electrons.
c)
The atom that gains the electron has no charge, and the atom that loses the electron has a negative charge.
d)
The atom that gains the electron has a negative charge, and the atom that loses the electron has a positive charge.
48.

Rank the bonds from strongest to weakest:

Hydrogen bonds, Ionic bonds, Covalent bonds, and Van der Waals

a)

Covalent bonds, Ionic bonds, Hydrogen bonds, and Van der Waals

b)

Ionic bonds, Hydrogen bonds, Covalent bonds, Van der Waals

c)

Ionic bonds, Covalent bonds, Hydrogen bonds, Van der Waals

d)

Hydrogen bonds, Ionic bonds, Van der Waals, Covalent bonds

49.

What type of cell lacks a nucleus and has no membrane bound organelles?

a)
Prokaryotic cells
b)
Eukaryotic cells
50.

What is the purpose of cholesterol in the plasma membrane?

a)
To facilitate the transport of nutrients across the membrane.
b)
To provide energy for cellular processes.
c)
To act as a barrier against toxins.
d)
To maintain membrane fluidity and stability.
51.

What is the purpose of the Golgi apparatus

a)
To generate energy for the cell
b)
To store genetic information
c)

modify, sort, and package proteins and lipids for secretion or delivery to other organelles.

d)
To synthesize carbohydrates
52.

is involved in both protein and lipid synthesis?

a)
Lysosomes
b)
Golgi apparatus
c)
Mitochondria
d)
Endoplasmic reticulum (ER)
53.

Which organelles are not involved in the endomembrane system?

a)
Lysosomes
b)

Mitochondria, chloroplasts, peroxisomes

c)
Endoplasmic reticulum
d)
Golgi apparatus
54.

Which nitrogenous base is NOT included in DNA?

a)
Cytosine
b)
Uracil
c)
Adenine
d)
Guanine
55.

What is the sequence of the central dogma?

a)
RNA -> DNA -> Protein
b)
Protein -> RNA -> DNA
c)
DNA -> Protein -> RNA
d)
DNA -> RNA -> Protein
56.

True or False: RNA is double stranded

a)
True
b)
False
57.

Where does the initiation of transcription begin?

a)
At the promoter region of DNA
b)
At the telomere region
c)
In the cytoplasm
d)
At the ribosome

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