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AP Bio Unit 1 and 2

Total questions: 92

Worksheet time: 50mins

Name
Class
Date
1.

What type of bond is found in water molecules?

a)

Covalent

b)

Hydrogen

c)

Ionic

d)

Van der Waals

2.

How does the covalent bond in water create the hydrogen bond between water molecules?

4 lines
3.

Water property responsible for water movement up the stem

a)

Adhesion and cohesion

b)

Less dense as solid

c)

Specific heat

d)

Surface tension

4.

Water property responsible for evaporative cooling

a)

Adhesion and cohesion

b)

Less dense as solid

c)

Specific heat

d)

Surface tension

5.

Water property responsible for lake life surviving winter

a)

Adhesion and cohesion

b)

Less dense as solid

c)

Specific heat

d)

Surface tension

6.

What type of bond is found between water molecules?

a)

Covalent

b)

Hydrogen

c)

Ionic

d)

Van der Waals

7.

What is a hydrogen bond?

4 lines
8.

What property of water is responsible for skipping rocks on a pond?

a)

Adhesion

b)

Cohesion

c)

Evaporative Cooling

d)

Less Dense as Solid

9.

What property of water is used by organism during sweating?

a)

Adhesion

b)

Cohesion

c)

Evaporative Cooling

d)

Less Dense as Solid

10.

In a protein's secondary structure, where are hydrogen bonds found?

a)

Between amino acids

b)

Between backbone

c)

Between the R groups

d)

Between polypeptides

11.

Where are hydrogen bonds in nucleic acids?

a)

Between carbons in sugar ring

b)

Between nitrogenous bases

c)

Between nucleotides

d)

Between phosphates

12.

A macromolecule is found to have C, H, O, N, and S. Identify?

a)

Carbohydrate

b)

Lipid

c)

Nucleic Acid

d)

Protein

13.

A macromolecule is found to have C, H, O, N, and P. Identify?

a)

Carbohydrate

b)

Lipid

c)

Nucleic Acid

d)

Protein

14.

Where is the Nitrogen in proteins?

4 lines
15.

Where is the Nitrogen in nucleic acids?

4 lines
16.

How many valence electrons does Carbon have?

a)

2

b)

3

c)

4

d)

5

17.

Which of the following macromolecules include nitrogen?

a)

Carbohydrates & Lipids

b)

Lipids & Nucleic Acids

c)

Nucleic Acids & Proteins

d)

Proteins & Carbohydrates

18.

Which of the following macromolecules has phosphate?

a)

Carbohydrate

b)

Fat

c)

Nucleic Acid

d)

Protein

19.

Which of the following macromolecules has sulfur?

a)

Carbohydrate

b)

Fat

c)

Nucleic Acid

d)

Protein

20.

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

a)

Carbohydrates

b)

Lipids

c)

Nucleic Acids

d)

Proteins

21.

Describe the difference between the dehydration and hydrolysis

4 lines
22.

What are the four components bound to a central carbon in an amino acids?

4 lines
23.

What elements are found in all lipids?

a)

CHO

b)

CHON

c)

CHOS

d)

CHOP

24.

What is formed from hydrolysis of proteins?

a)

Amino acids

b)

Glycerol & fatty acids

c)

Monosaccharides

d)

Nucleotides

25.

Dehydration with glycerol and fatty acids forms what?

a)

Carbohydrate

b)

Nucleic Acid

c)

Protein

d)

Triglyceride

26.

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

a)

Folds in because hydrophilic

b)

Folds out because hydrophilic

c)

Folds in because hydrophobic

d)

Folds out because hydrophobic

27.

What level of structure does the R group interact effect?

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

28.

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

a)

Saturated

b)

Unsaturated

29.

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

30.

Which of the following is the monomer of carbohydrates?

a)

Amino Acid

b)

Fatty Acid

c)

Monosaccharide

d)

Nucleotide

31.

Which of the following is the monomer of proteins?

a)

Amino Acid

b)

Fatty Acid

c)

Monosaccharide

d)

Nucleotide

32.

Which of the following is the monomer of nucleic acids?

a)

Amino Acid

b)

Fatty Acid

c)

Monosaccharide

d)

Nucleotide

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.

Which side chain of amino acids would fold inward?

a)

Charged

b)

Hydrophilic

c)

Hydrophobic

36.

What is the bond between amino acids called?

a)

Ester linkage

b)

Glycosidic linkage

c)

Peptide bond

d)

Phosphodiester linkage

37.

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

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

38.

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

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

39.

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

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

40.

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

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

41.

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

a)

Primary

b)

Secondary

c)

Tertiary

d)

Quaternary

42.

What happens if a protein loses its three-dimensional structure? 

4 lines
43.

What pairs with adenine in DNA?

a)

Cytosine

b)

Guanine

c)

Thymine

d)

Uracil

44.

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

a)

Covalent

b)

Hydrogen

c)

Ionic

d)

Peptide

45.

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

a)

Covalent

b)

Hydrogen

c)

Ionic

d)

Peptide

46.

Which organelle is responsible for detoxification and storage of Ca2+?

a)

Golgi Bodies

b)

Lysosome 

c)

Rough ER

d)

Smooth ER

47.

Which organelle is responsible for modification of proteins?

a)

Golgi Bodies

b)

Lysosome 

c)

Rough ER

d)

Smooth ER

48.

Which organelle is responsible for digestion of macromolecules?

a)

Golgi Bodies

b)

Lysosome 

c)

Rough ER

d)

Smooth ER

49.

Describe two locations of ribosomes plus their function.

4 lines
50.

Which organelle with highly folded cristae for ATP synthesis?

a)

Chloroplast 

b)

Mitochondria

51.

Which organelle with highly folded thylakoid for ATP synthesis?

a)

Chloroplast 

b)

Mitochondria

52.

Which organelle synthesizes proteins for secretion or membrane bound?

a)

Free Ribosomes

b)

Golgi Bodies

c)

Rough ER

d)

Smooth ER

53.

Which organelle has the role of detoxification?

a)

Free Ribosomes

b)

Golgi Bodies

c)

Rough ER

d)

Smooth ER

54.

Which organelle has the role of Intracellular digestion?

a)

Chloroplast

b)

Lysosome

c)

Mitochondria

d)

Vacuole

55.

The cristae (inner membrane) of the mitochondria is highly folded, what is the significance?

4 lines
56.

Which organelle is responsible for apoptosis?

a)

Endoplasmic Reticulum

b)

Golgi Bodies

c)

Lysosomes

d)

Mitochondria

57.

Which of the following cells is most efficient?

Note:  SA = surface area   V = volume

a)

SA: 4  V: 1

b)

SA: 3  V: 2

c)

SA: 2  V: 3

d)

SA: 1  V: 4

58.

What is the main component of the cell membrane?

a)

Carbohydrates

b)

Nucleic Acids

c)

Phospholipids

d)

Proteins

59.

Describe the orientation of the phospholipids to make the membrane

4 lines
60.

What types of materials can easily pass through the membrane?

a)

Large, Nonpolar

b)

Large, Polar

c)

Small, Nonpolar

d)

Small, Polar

61.

How are phospholipids oriented in the membrane?

a)

Single layer, fatty acids to interior of cell, phosphate heads to exterior of the cell.

b)

Single layer, phosphate heads to interior of cell and fatty acids to exterior of the cell

c)

Double layer, fatty acid tails to interior of membrane and phosphate groups of exterior of membrane

d)

Double layer, phosphate heads to interior of membrane and fatty acid tails to exterior of membrane

62.

Why do sodium ions have difficulty crossing the membrane?

4 lines
63.

What is the difference between endocytosis and exocytosis?

4 lines
64.

What makes up cell wall of plants?

a)

Cellulose

b)

Chitin

c)

Peptidoglycan

65.

What makes up cell wall of some prokaryotes?

a)

Cellulose

b)

Chitin

c)

Peptidoglycan

66.

Passive transport requires…

a)

Energy input

b)

No energy input

67.

Passive transport moves substances…

a)

From high to high concentration

b)

From high to low concentration

c)

From low to low concentration

d)

From low to high concentration

68.

Active transport requires…

a)

Energy

b)

Transport protein

c)

Both energy & transport protein

d)

Neither energy nor transport protein

69.

Describe the pathway for a protein to be exported.

4 lines
70.

What is the difference between facilitated transport and simple diffusion?

4 lines
71.

Solution with a higher solute concentration…

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

72.

Solution with a lower solute concentration…

a)

Hypertonic

b)

Hypotonic

c)

Isotonic

73.

If the intracellular concentration is 1.0 M and extracellular concentration is 0.4M. Which direction does water flow?

a)

Both in and out (equilibrium)

b)

Into the cell

c)

Out of the cell

74.

Describe what happens to an animal cell in hypertonic environment.

4 lines
75.

What organelle holds the water in plant cells?

a)

Central vacuole

b)

Endoplasmic reticulum

c)

Food vacuole

d)

Golgi bodies

76.

Water moves from

a)

High water potential to low water potential

b)

Low water potential to high water potential

77.

Pressure potential = 0.2 MPa and solute potential = - 0.6 MPa…

a)

Water Potential = -0.8MPa

b)

Water Potential = -0.4 MPa

c)

Water Potential = 0.4 MPa

d)

Water Potential = 0.8 MPa

78.

What is the ionization constant of sodium chloride?

a)

0

b)

1

c)

2

d)

3

79.

What is the ionization constant of sucrose?

a)

0

b)

1

c)

24

d)

48

80.

Endocytosis

a)

Does not require ATP and allows large particles to enter the cell

b)

Does not require ATP and allows large particles to leave the cell

c)

Requires ATP and allows large particles to enter the cell

d)

Requires ATP and allows large particles to leave the cell

81.

How does Ca2+ move across membrane from high to low?

a)

Active transport

b)

Bulk transport

c)

Facilitated transport

d)

Simple diffusion

82.

How does oxygen enter blood cells in the lungs?

a)

Active transport

b)

Bulk transport

c)

Facilitated transport

d)

Simple diffusion

83.

Which organelle do prokaryotes have?

a)

Endoplasmic reticulum

b)

Lysosome

c)

Nucleus

d)

Ribosomes

84.

What is the endosymbiotic theory?

4 lines
85.

What evidence do we have of endosymbiotic theory?

4 lines
86.

What is a BIG difference between prokaryotes and eukaryotes?

4 lines
87.
One example of a prokaryote is a...
a)
fungus
b)
bacteria
c)
animal
d)
plant
88.
A fossilized cell is discovered, and evidence suggests it reproduced on its own and had DNA, but a membrane did not enclose its DNA. Which type of organism would this most likely be?
a)
prokaryote
b)
eukaryote
c)
plant cell
d)
animal cell
89.

What type of cell has a nucleus?

a)

eukaryotic

b)

prokaryotic

c)

neither

d)

both

90.

Which type of cells has a chloroplast?

a)

Prokaryote

b)

Plant Cell

c)

Animal Cell

d)

Bacteria

91.

Match the following

a)
1.

Plant Cell

b)
2.

Bacteria Cell

c)
3.

Animal Cell

d)

* All cells have

4.

* DNA, Cytoplasm, Ribosomes

e)

* Smaller simple cells no nucleus

5.

* Prokaryote

92.
Prokaryote are?
a)
simple, mostly single-celled organism that lacks a nucleus, or any other membrane-bound organelle.
b)
have a peptidoglycan cell wall and many have polysaccharide capsules.
c)
have a true nucleus, which means the cell's DNA is surrounded by a membrane.
d)
contain membrane-bound organelles, such as the nucleus

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