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Worksheets

Cycle 2 Recovery

Total questions: 209

Worksheet time: 6hrs 30mins

Name
Class
Date
1.
Small openings called ______ are found on the underside of leaves and allow gases to enter or leave the plant cells.
a)
Phloem
b)
Chloroplasts
c)
Xylem
d)
Stomata
2.
These convert energy from sunlight into food for the plant through a chemical process called photosynthesis.
a)
Root
b)
Stem
c)
Leaves
d)
Flowers
3.

What part of the plant anchors the plant for support?

a)

roots

b)

stem

c)

leaves

4.

What part of the plant transports water and nutrients to other parts of the plant?

a)

roots

b)

stem

c)

leaves

5.

which sample represents S Phase?

a)

Sample A

b)

Sample B

c)

Sample C

d)

Sample D

6.

WHY is A the enzyme?

a)

The enzyme is transformed into products while the substrate is reusable.

b)

The enzyme are reusable while substrates are transformed into products.

c)

The enzyme is broken apart by the products.

d)

The enzyme is broken apart by the substrate

7.

Which one of these pictures shows the end result of an enzyme chemical process?

a)

b)

c)

d)

8.

Make a complementary DNA using this template DNA

GAT-GTC-ACG

(a)  

9.

Make a mRNA using the template DNA

GCG-AAA-GTC

(a)  

10.

What is the amino acid sequence for the following mRNA strand:

UGG-ACU-CGA

(a)  

11.

Cells spend most of their lives in which phase?

a)

Interphase

b)

Prophase

c)

Telophase

d)

Metaphase

12.

Cells of organisms must replicate for?

a)

Growth

b)

Replacement of dying cells

c)

Repair of damaged cells

d)

All of the above

13.

What is the correct order of the phases of mitosis?

a)

Metaphase, Anaphase, Prophase, Telophase,

b)

Pelophase, Motophase, Anaphase, Trophase

c)

Prophase, Metaphase, Anaphase, Telophase

d)

Telophase, Anaphase, Prophase, Metaphase

14.

What is cytokinesis?

a)

When 2 cells merge together to make 1 giant cell

b)

The end of the cell cycle when the cell divides and mitosis is complete

c)

The stage when DNA condenses into chromosomes

d)

The stage where chromosomes are pulled to opposite ends of the cell.

15.

The G1, S, and G2 are parts of which phase of the cell cycle?

a)

Prophase

b)

Interphase

c)

Telophase

d)

Anaphase

16.

Why do cells go through mitosis?

a)

to make food from sunlight

b)

to get air into the cells

c)

to create proteins

d)

to reproduce, grow, and repair/replace cells

17.

Is interphase a part of Mitosis?

a)

Yes, it happens after prophase

b)

No, it happens before mitosis

18.
Which phase of the cell cycle is #1?
a)
Interphase
b)
Prophase
c)
Anaphase
d)
Metaphase
19.
Which phase of the cell cycle is #2?
a)
Interphase
b)
Prophase
c)
Anaphase
d)
Metaphase
20.
Which phase of the cell cycle is #3?
a)
Interphase
b)
Prophase
c)
Anaphase
d)
Metaphase
21.
Which phase of the cell cycle is #4?
a)
Interphase
b)
Prophase
c)
Telophase
d)
Metaphase
22.
Which phase of the cell cycle is #5?
a)
Interphase
b)
Prophase
c)
Telophase
d)
Metaphase
23.

What are chromosomes?

a)

They attach to the DNA and pull it to the sides

b)

They contain mitochondria

c)

They contain ribosomes

d)

DNA packaged into threadlike structures

24.
Cell division is represented by what letter?
a)
A
b)
B
c)
C
d)
D
25.
A cell spends __% of its cycle in ____.
a)
100, interphase
b)
10, cytokinesis
c)
40, mitosis
d)
90, interphase
26.

The shape of DNA looks like a twisted ladder, known as

a)

helicase

b)

a double helix

c)

a triple helix

27.

The sides of DNA contain

a)

Sugar and phosphate

b)

Sugar and base pairs

c)

Phosphate and base pairs

d)

DNA does not have any sides

28.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
29.

Guanine, cytosine, adenine, and thymine are

a)

sides of the ladder in DNA

b)

phosphate molecules

c)

nitrogen bases

30.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
31.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
32.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
33.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
34.

In eukaryotes, which organelle is DNA usually found in?

a)

cell membrane

b)

vacuole

c)

chloroplast

d)

nucleus

35.
What does DNA stand for?
a)
Deoxyribonucleic acid
b)
Denitrogenous acid
c)
Deribonucleic acid
d)
Diribonucleic acid
36.
The building block of nucleic acids are nucleotides.  Nucleotides are composed of a sugar, a phosphate group, and a _________________ base.
a)
oxygen
b)
hydrogen
c)
nitrogen
d)
carbon
37.
The drawing shows the structure of what molecule?
a)
A DNA molecule
b)
A lipid molecule
c)
A carbohydrate molecule
d)
A protein molecule
38.

Cystosine is always paired with ______________.

a)

Adenine

b)

Thymine

c)

Guanine

d)

It doesn't match with anything

39.

Adenine is always paired with _______________________.

a)

Thymine

b)

Cytosine

c)

Guanine

d)

It doesn't match with anything

40.

The sides of the DNA molecule (the ladder) are made up of nucleotides. These nucleotides are ____ & ____.

a)

deoxyribose sugar and phosphates

b)

Splenda and phosphates

c)

phosphates and glucose

41.

If one side of DNA is ATTA what would the complementary strand look like?

a)

CGGC

b)

GCCG

c)

TAAT

d)

ATTA

42.

If one side of DNA is TTAACCGG what would the complementary strand look like?

a)

AAGGCCGG

b)

TTAACCGG

c)

AAGGCCGG

d)

AATTGGCC

43.

Which list is in the correct order from biggest to smallest?

a)

organism-cell-nucleus-chromosome-DNA-gene

b)

gene-DNA-chromosome-nucleus-cell-organism

c)

organism-DNA-cell-gene-chromosome-nucleus

d)

organism--cell-nucleus-gene-chromosome-DNA

44.

Genes are a segment of DNA that codes for a specific trait. Genes affect your traits by coding for the ______________ in your cells

a)

Nucleic acids

b)

Genes

c)

Proteins

d)

DNA

45.

A gene tells the cell how to make a __________.

a)

Nucleotide

b)

Amino acid

c)

Protein

d)

Base pair

46.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
47.
Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.) 
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
48.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
49.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
50.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
51.
What are the 4 nitrogen bases?
a)
adenine, thymine, cytoplasm, and guanine
b)
adenine, thymine cytosine, and guanine
c)
adenine, thymine, cytosine, and gylcerol
d)
adenine, thymine, cytosine, and glucose
52.
Which 2 molecules forms the sides (backbone) of the DNA ladder?
a)
deoxyribose and adenine
b)
deoxyribose and a hydrogen bond
c)
sugar and the nucleus
d)
deoxyribose (sugar) and phosphate
53.
Which enzyme is responsible for adding nucleotides?
a)
Topoisomerase
b)
DNA Polymerase
c)
Ligase
d)
Primase
54.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
55.
A process in which DNA has the unique ability to make an exact copy of itself.
a)
Replication
b)
Translation
c)
Transcription
56.
Nitrogenous bases are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
57.
In what phase of the cell cycle does DNA replication take place?
a)
G1
b)
S
c)
G2
d)
M
58.

Which enzyme is responsible for unzipping or the DNA molecule when replication begins?

a)

Helicase

b)

DNA breakase

c)

Primase

d)

DNA polymerase

59.

Which enzyme is responsible for gluing together the Okasaki fragment on the lagging strand during DNA replication?

a)

Ligase

b)

Helicase

c)

Amaylase

d)

DNA polymerase

60.

Where does the DNA molecule unzip at during DNA replication?

a)

Between the sugar and phosphate

b)

Between the sugar and nitrogen bases

c)

Between the nitrogen bases

61.

Which part of a DNA molecule is responsible for the direct coding of specific traits in an organism?

a)

The number of hydrogen bonds that hold the strands of DNA together

b)

The number of carbons in the DNA molecule.

c)

The sequence of nucleotide bases in the DNA molecule

d)

The sequences of phosphates along each DNA strand

62.
DNA replication results in two DNA molecules,
a)
each one with two original strands
b)
each one with two new strands
c)
each one with one new strand and one original strand
d)
one with two new strands and the other with two original strands
63.
order of replication
a)
3, 2, 1, 4
b)
2, 1, 4, 3
c)
2, 3, 1, 4
d)
3, 4, 1, 2
64.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
65.
Replicate the following strand of DNA: 
AATCATGGA
a)
AATCATGGA
b)
TTAGTACCT
c)
UUAGUACCU
d)
GGATAUCUA
66.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
67.
How does RNA differ from DNA?
a)
RNA contains uracil and deoxyribose
b)
RNA contains ribose and thymine
c)
RNA contains uracil and ribose
d)
RNA contains adenine and ribose
68.

What is the correct order to make a protein?

a)

Protein, DNA, RNA

b)

RNA, DNA, Protein

c)

DNA, RNA, Protein

d)

Protein, RNA, DNA

69.
In RNA, Uracil pairs with ______. 
a)
cytosine
b)
adenine
c)
guanine
d)
thymine
70.

What makes up the SIDES of a DNA ladder?

a)

nitrogen bases

b)

sugars & phosphates

c)

genes & chromosomes

d)

RNA

71.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
72.
The sugar in RNA is ____________________.
a)
deoxyribose
b)
ribose
73.
In what phase of the cell cycle does DNA replication take place?
a)
G1
b)
S
c)
G2
d)
M
74.
I include the bases Guanine, Cytosine, Adenine and Uracil .
a)
DNA
b)
RNA
75.
The process of DNA replication is called semi conservative because it results in
a)
none of these
b)
Two DNA molecules.  One original molecule and one with two new strands
c)
two exact copies with new strands
d)
two identical molecules, each with 1 original strand and one new.
76.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
77.
I am arranged as a double helix or "twisted ladder".
a)
DNA
b)
RNA
78.
The following picture must be
a)
DNA because it's double stranded
b)
RNA because it's single stranded
c)
DNA because it's single stranded
d)
RNA because it's double stranded
79.
The sugar in DNA is ____________________.
a)
deoxyribose
b)
ribose
80.
I include the bases Guanine, Cytosine, Adenine and Thymine.
a)
DNA
b)
RNA
81.

Which organelle is the location where protein is made?

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Nucleotide

82.

When these bond together, they form a protein

a)

Amino Acids

b)

Peptide Bonds

c)

Ribose

d)

Nucleotides

83.

Which of the following is the complementary mRNA sequence to this DNA strand: AACTGAA

a)

UUGACUU

b)

TTGACTT

c)

AACTGAA

d)

AACUGAA

84.
What is the term for a three-nucleotide sequence that codes for an amino acid?
a)
base
b)
codon
c)
amine
d)
serine
85.
The process to go from mRNA to a protein is called ____
a)
transcription
b)
rRNA
c)
replication
d)
translation
86.
Genetic info flows in one direction. Which best represents this flow?
a)
DNA-protein-RNA
b)
Protein-RNA-DNA
c)
RNA-protein-DNA
d)
DNA-RNA-protein
87.
What is the location in the cell for transcription?
a)
nucleus
b)
cytoplasm
c)
ribosome
d)
mitochondria
88.

What brings the amino acids to the ribosome to assemble a protein?

a)
mRNA
b)
tRNA
c)
rRNA
d)

DNA

89.

How many nucleotides code for 1 amino acid?

a)

1

b)

2

c)

3

d)

4

90.

What is the location in the cell for translation?

a)

Cytoplasm

b)

Nucleus

c)

Lysosome

d)

Golgi apparatus

91.

Choose the sequence of the mRNA strand that would be match up with to the following strand:

GTAGTCA

a)

UATUAGA

b)

ACGACTG

c)

CAUCAGU

d)

CATCAGT

92.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
93.
which process is shown?
a)
diffusion
b)
repiration
c)
recombination
d)
translation
94.

Double stranded DNA is unzipped, and one strand is used as a template to form Messenger RNA.

a)

Translation

b)

Transcription

c)

Replication

d)

Mitosis

95.

Messenger RNA travels out of the nucleus to ribosomes

and is used as a template to assemble a protein.

a)

Translation

b)

Transcription

c)

Replication

d)

Homeostasis

96.

A small section of RNA that transports amino acids

to the ribosome for synthesis into proteins.

a)

tRNA

b)

mRNA

c)

rRNA

d)

DNA

97.

The enzyme that codes mRNA from DNA instructions.

a)

DNA Polymerase

b)

RNA Polymerase

c)

Helicase

d)

Lipase

98.

mRNA occurs during this process

a)

Translation

b)

Transcription

c)

Replication

d)

Delivery

99.

In what process is mRNA synthesized?

a)

Transcription

b)

Translation

c)

DNA Replication

d)

Mitosis

100.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
101.

The following DNA strand is TTACCGATACAT, what would the transcription mRNA strand be?

a)

AAUGGUAUGUA

b)

TTACCGATACAT

c)

UUAGGCUAUCUA

d)

AATGGCTATGTA

102.

Which amino acid matches with the following codon:

GAU

a)

GLU

b)

SER

c)

ASP

d)

ILE

103.

Which amino acid matches with the following codon:

CAC

a)

STOP

b)

HIS

c)

LYS

d)

ARG

104.

Use the mRNA below to select the correct amino acid sequence:

AUG-UCA-AAA-UAG

a)

MET-SER-LYS-STOP

b)

MET-THR-LYS-TYR

c)

LEU-SER-CYS-STOP

d)

ILE-LYS-SER-STOP

105.

Use the codon chart to translate the following mRNA:

AUG | GGC | CCU

a)

Methionine | Glycine | Proline

b)

Tyrosine | Proline | Glycine

c)

Methionine | Lysine | Stop

d)

TAC | CCG | GGA

106.

Use the codon chart to translate the following mRNA:

UAG | CCA | GGC

a)

Methionine | Glycine | Proline

b)

Tyrosine | Proline | Glycine

c)

Methionine | Lysine | Stop

d)

TAC | CCG | GGA

107.

DNA: CAC

a)

Pro

b)

Val

c)

Stop

d)

Leucine

108.

RNA has the nitrogen base Uracil, which takes the place of what base found in DNA?

a)

Adenine

b)

Cytosine

c)

Thymine

d)

Glutamine

109.

A single nucleotide of either DNA or RNA is made up of which three components?

a)

amino acid

b)

phosphate groups

c)

a sugar (deoxyribose or ribose)

d)

nitrogenous base

110.

DNA is transcribed into which type of RNA inside the nucleus?

a)

tRNA

b)

rRNA

c)

mRNA

d)

chromatin

111.

The codon wheel is used to find what?

a)

tRNA

b)

Amino Acids

c)

rRNA

d)

anticodons

112.

Use the codon wheel to find what amino acid is coded for with the codon UCA.

a)

Isoleucine

b)

serine

c)

tyrosine

d)

leucine

113.

A codon, which codes for 1 amino acid, consists of how many bases?

a)

1

b)

2

c)

3

d)

4

114.

Use the wheel to find what amino acid is created by a GGG codon.

a)

Glycine

b)

Aspartic Acid

c)

Glutamic Acid

d)

Phenylalanine

115.

Sometimes a single amino acid can be coded for by multiple codons. How many different codons code for the amino acid leucine? (Trick question)

a)

2

b)

4

c)

6

d)

8

116.

From a gene found in a DNA strand you are given the bases of ATG. Using transcription rules, find the amino acid that would be coded for from the resulting mRNA. Use the codon wheel to help.

a)

Leucine

b)

Isoleucine

c)

STOP

d)

Tyrosine

117.

Working backwards through the transcription process, identify the DNA sequence that would be found in a gene that codes for the amino acid methionine.

a)

AUG

b)

TAC

c)

UAC

d)

TUC

118.

The process of assembling a protein from RNA is called __________?

a)

transjahon

b)

translation

c)

transcription

d)

replication

119.

Proteins are assembled following instructions that start in a segment of DNA called a ________.

a)

gene

b)

base

c)

amino acid

d)

mRNA

120.

What part of the cell in eukaryotes is the site of transcription?

a)

ribosome

b)

rough er

c)

cytoplasm

d)

nucleus

121.

Translation takes place in what part of the cell?

a)

lysosome

b)

cytoplasm

c)

nucleus

d)

vesicle

122.

The Central Dogma for biology is correctly identified by which choice below?

a)

mRNA --> DNA --> Protein

b)

Protein --> DNA --> RNA

c)

tRNA --> DNA --> Protein

d)

DNA --> RNA --> Protein

123.

Amino acids are carried by which molecule below?

a)

mRNA

b)

rRNA

c)

tRNA

d)

aRNA

124.

Identify the all 3 stop codons.

a)

UAA

b)

UAC

c)

UAG

d)

UGA

125.

A gene is a segment of DNA that codes for a specific protein, what happens to that segment of DNA prior to transcription?

a)

the segment is removed from the DNA strand

b)

nothing

c)

that segment is opened to allow transcription

d)

the segment is replaced by RNA

126.

One major difference between RNA and DNA, is that RNA is __________ __________?

a)

single stranded

b)

double based

c)

double helixed

d)

double paired

127.

What amino acid is also considered a start codon?

a)

threonine

b)

isoleucine

c)

startamine

d)

methionine

128.

Backbone/sides of DNA

a)

phospate and sugar

b)

phosphate and nitrogen base

c)

nitrogen base pair

d)

sugar and nitrogen base

129.

Rungs/steps of DNA ladder

a)

phosphate and sugar

b)

phosphate and nitrogen base

c)

nitrogen base pair

d)

sugar and nitrogen base

130.

Scientists given credit for the structure of DNA

a)

Watson and Chargaff

b)

Chargaff and Crick

c)

Watson and Crick

d)

Wilkins and Chargaff

131.

Building blocks of DNA and RNA

a)

amino acids

b)

nucleotides

c)

fatty acids

d)

ribosomes

132.

DNA making a copy of itself

a)

transcription

b)

replication

c)

translation

d)

protein synthesis

133.

Where does replication take place in a cell?

a)

ribosome

b)

cytoplasm

c)

nucleus

d)

ER

134.

Process of making mRNA

a)

replication

b)

translation

c)

extraction

d)

transcription

135.

Where does transcription take place in a cell?

a)

ribosome

b)

cytoplasm

c)

nucleus

d)

ER

136.

A triplet on mRNA is called

a)

codon

b)

anticodon

137.

Where does translation take place in the cell?

a)

nucleus

b)

ribsome

c)

nucleolus

d)

ER

138.

Scientist who discovered base pairing

a)

Crick

b)

Watson

c)

Wilkins

d)

Chargaff

139.

Nitrogen bases are attached to

a)

phosphate groups

b)

sugars

140.

Which base does NOT belong in DNA?

a)

thymine

b)

cytosine

c)

guanine

d)

adenine

e)

uracil

141.

Which base is NOT found in RNA?

a)

adenine

b)

cytosine

c)

guanine

d)

thymine

142.

A triplet on tRNA is called

a)

anticodon

b)

codon

143.

GCU will base pair to which of the following in DNA?

a)

AGA

b)

CGA

c)

CGT

d)

ACU

144.

Cytosine base pairs with

a)

adenine

b)

guanine

c)

thymine

d)

uracil

145.

Deoxyribose is found in

a)

DNA

b)

RNA

c)

lipids

d)

proteins

146.

Deoxyribose and Ribose are types of

a)

proteins

b)

lipids

c)

sugars

d)

fats

147.

A term referring to the bases that pair between two sides of DNA

a)

identical

b)

exact

c)

complementary

148.

Sugar in RNA

a)

deoxyribose

b)

ribose

c)

sucrose

d)

lactose

149.

A point mutation

a)

insertion

b)

deletion

c)

frameshift

d)

substitution

150.

Type of mutation causing a shift in frames

a)

point mutation

b)

substitution

c)

insertion

d)

deletion

151.

What are polymers made of?

a)

lipids

b)

monomers

c)

enzymes

d)

macromolecules

152.

What are the monomers of carbohydrates?

a)

Monosaccharides

b)

Nucleotides

c)

Amino Acids

d)

Glycerol & Fatty Acids

153.

What are the monomers of nucleic acids?

a)

Amino Acids

b)

Monosaccharides

c)

Glycerol & Fatty Acids

d)

Nucleotides

154.

What is this molecule?

a)

Protein

b)

Carbohydrate

c)

Lipid

d)

Nucleic Acid

155.

Lipids can be a secondary form of energy. What else can they do? (2 things)

a)

components of cell membranes

b)

make proteins

c)

provide insulation

d)

store genetic material

156.

Which are examples or sources of carbohydrates?

a)

cereal

b)

starch

c)

dairy

d)

sucrose

157.

What type of molecule is an enzyme?

a)

Lipid

b)

Nucleic Acid

c)

Protein

d)

Carbohydrate

158.

Which of the following is/are the reactants of this equation?

a)

A + B

b)

AB

159.

Which word means that an enzyme has lost its shape?

a)

digestion

b)

synthesis

c)

catalyze

d)

denature

160.

Which word means "to speed up"?

a)

digestion

b)

synthesis

c)

catalyze

d)

dentaure

161.

Which of the following means "to break down"?

a)

denature

b)

catalyze

c)

synthesis

d)

digestion

162.

Which word means "to build or make"?

a)

synthesis

b)

digestion

c)

denature

d)

catalyze

163.

Changes in what may cause an enzyme to become denatured?

a)

pH

b)

substrates

c)

temperature

d)

illuminance

164.

Substrates bind to enzymes at the ...

a)

polymer

b)

denature site

c)

active site

d)

complex

165.

Which biomolecule polymers are held together by peptide bonds?

a)

Lipids

b)

Proteins

c)

Nucleic Acids

d)

Carbohydrates

166.

Protein in food gives you energy.

a)

True

b)

False

167.

On a nutrition label, which category is lipids?

a)

dietary fiber

b)

protein

c)

total fats

d)

total sugars

168.

On a nutrition label, what do I need a lot of if I need quick energy?

a)

Protein

b)

Saturated Fat

c)

Total Carbohydrates

d)

Trans Fat

169.

What letters do enzymes often end in?

(a)  

170.

Which letters do sugars (carbohydrates) often end in?

(a)  

171.
What biomolecule do enzymes belong to? 
a)
Carbohydrate
b)
Lipid
c)
Nucleic Acid
d)
Protein
172.
Which biomolecule is a main source of quick energy?
a)
Nucleic Acid
b)
Protein
c)
Lipid
d)
Carbohydrate
173.
Which biomolecule is found in fats, oils, and waxes and is a source of long-term energy? 
a)
Proteins
b)
Nucleic Acid
c)
Lipids
d)
Carbohydrate
174.
What is the function of a nucleic acid?
a)
Stores genetic information
b)
Stores energy
c)
Quick source of energy
d)
Builds structures
175.
Carbon, Hydrogen, Oxygen and Nitrogen are elements in what biomolecule?
a)
Carbohydrate
b)
Lipid
c)
Protein
d)
Nucleic acid
176.

Which biomolecule is made of nucleotides and contains your DNA?

a)

Carbohydrate

b)

Lipids

c)

Protein

d)

Nucleic Acid

177.

Which biomolecule helps form muscles?

a)

Nucleic Acid

b)

Carbohydrate

c)

Protein

d)

Lipids

178.
What elements are common to all 4 biomolecules?
a)
Carbon, hydrogen, nitrogen
b)
Carbon, Nitrogen, Phosphorus
c)
Carbon, Hydrogen, Oxygen
d)
Carbon, Hydrogen, Phosphorus
179.
What are the four biological molecules?
a)
proteins, carbohydrates, lipids, nucleic acids
b)
A, T, C, G
c)
water, air, earth, and fire
d)
Joe, Nick, and Kevin Jonas
180.
Which biomolecule is made of amino acids?
a)
Nucleic Acid
b)
Carbohydrate
c)
Protein
d)
Lipid
181.

What are lipids?

a)

Polymers made of amino acids

b)

Monomers that store and transfer genetic information

c)

Fatty acids not generally soluble in water

d)

Complex carbohydrates like starch

182.

Which biomolecule makes up cell membranes?

a)

Protein

b)

Carbohydrate

c)

Lipid

d)

Nucleic acid

183.

Identify the biomolecule

a)

Carbohydrate

b)

Lipid

c)

Protein

d)

Nucleic Acid

184.

What is the monomer of a carbohydrate?

a)

Monosaccharide

b)

Amino acid

c)

Triglyceride

d)

Nucleotide

185.

What biomolecule is responsible for immune support such as antibodies?

a)

Nucleic Acid

b)

Lipid

c)

Protein

d)

Carbohydrate

186.

Which of the following is a complex polysaccharide?

a)

Starch

b)

Glucose

c)

Glycerol

d)

Phosphate

187.

How do animals store complex sugars?

a)

In the form of glycogen

b)

In the form of cellulose

c)

In the form of chitin

d)

None of the above

188.

Which triglyceride is solid at room temperature?

a)

Unsaturated

b)

Saturated

c)

Amino Acids

d)

Nucleotide

189.

Which biomolecule includes RNA as an example?

a)

Protein

b)

Lipid

c)

Nucleic Acid

d)

Carbohydrate

190.

Which element is found in only proteins and nucleic acids?

a)

Nitrogen

b)

Hydrogen

c)

Helium

d)

Oxygen

191.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
192.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
193.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

194.
In the diagram, what is letter A? 
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
195.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
196.
Letter B...
a)
active site
b)
enzyme
c)
substrate
d)
products
197.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
198.
Letter E...
a)
active site
b)
enzyme
c)
substrate
d)
products
199.
An enzyme speeds up a reaction by
a)
lowering the activation energy.
b)
raising the activation energy.
c)
releasing energy.
d)
absorbing energy.
200.

What happens when enzymes are heated to a high temperature OR put into a pH outside its normal range?

a)

The enzymes die.

b)

The shape of the enzyme are changed and it denatures

c)

The enzymes' amino acid sequence changes.

d)

The enzymes remain the same

201.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
202.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
203.
Which enzyme is most efficient in a basic solution?
a)
A
b)
B
204.

G1, S, G2 are all part of what stage of the cell cycle?

a)

Cytokinesis

b)

Interphase

c)

Mitosis

d)

Telophase

205.

In a human diploid (2n) cell containing 46 chromosomes, mitosis results in the formation of two diploid daughter cells containing ____ chromosomes.

a)

92

b)

23

c)

46

d)

0

206.

Cancer is defined as the

a)

uncontrolled division of mutated cells

b)

normal division of cells

c)

normal DNA replication

d)

abnormal ATP synthesis

207.
Stem cells are
a)
cells that grow uncontrollably
b)
undifferentiated and can be any type of cell
c)
never go through cell division
d)
only found in embryos
208.

Cells differentiate to perform different functions because

a)

all genes are turned on inside that cell

b)

all genes are turned off inside that cell

c)

different genes are turned on inside that cell

d)

different genes are turned on or off inside that cell

209.
What is cell differentiation?
a)
Process by which cells produce more cells
b)
Process by which cells become specialized
c)
Process by which cells become unspecialized
d)
Process by which cells die

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