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Biology Spring Exam 2022

Total questions: 50

Worksheet time: 2hrs 33mins

Name
Class
Date
1.
Adenine bonds with ______________.
a)
Guanine
b)
Thymine
c)
Cytosine
d)
Adenine
2.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
3.
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
4.
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
5.

In eukaryotes, which organelle is DNA usually found in?

a)

cell membrane

b)

vacuole

c)

chloroplast

d)

nucleus

6.
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
7.
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
8.
The two strands of nitrogenous bases in DNA are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
9.
A long chain of amino acids is a/an
a)
protein
b)
nucleic acid
c)
tRNA
d)
mRNA
10.
If a DNA molecule consists of 29% Guanine, how much cytosine will it contain?
a)
29%
b)
58%
c)
21%
d)
I have no idea.
11.
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
12.

In eukaryotes, which organelle is DNA usually found in?

a)

cell membrane

b)

vacuole

c)

chloroplast

d)

nucleus

13.
Which shows the correct complementary base pairing for DNA?
a)
C-A, T-G
b)
A-G, C-T
c)
C-G, U-A
d)
T-A, G-C
14.
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
15.
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
16.
The two strands of nitrogenous bases in DNA are joined by which type of bond?
a)
polar bonds
b)
ionic bonds
c)
covalent bonds
d)
hydrogen bonds
17.
A long chain of amino acids is a/an
a)
protein
b)
nucleic acid
c)
tRNA
d)
mRNA
18.
If a DNA molecule consists of 29% Guanine, how much cytosine will it contain?
a)
29%
b)
58%
c)
21%
d)
I have no idea.
19.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains Uracil
20.
DNA is a polymer made of:
a)
Nucleotides
b)
Ribosomes
c)
Purines
d)
Pyrimidines
21.
DNA codes for...
a)
bases
b)
proteins
c)
amino acids
d)
phosphates
22.

A change in a DNA sequence(order) that affects genetic information.

a)

Recessive trait

b)

Mutation

c)

Allele

23.
the process of making a copy of DNA
a)
transcription
b)
double helix
c)
DNA replication
d)
replication fork
24.
DNA is a polymer made of:
a)
Nucleotides
b)
Ribosomes
c)
Purines
d)
Pyrimidines
25.
DNA codes for...
a)
bases
b)
proteins
c)
amino acids
d)
phosphates
26.

A change in a DNA sequence(order) that affects genetic information.

a)

Recessive trait

b)

Mutation

c)

Allele

27.
the process of making a copy of DNA
a)
transcription
b)
double helix
c)
DNA replication
d)
replication fork
28.

Cells that contain a nucleus and other membrane bound organelles are called:

a)

Prokaryotic

b)

Eukaryotic

c)

Simple

d)

Bacteria

29.

Eukaryotic cells all have MITOCHONDRIA. What is the function?

a)

To create proteins for the cell

b)

To clean out cell waste

c)

To generate energy from glucose

d)

To store DNA

30.

A type of cell has a nucleus, lysosomes, cell membrane & chloroplast. The type of cell is:

a)

Animal Cell

b)

Plant Cell

c)

Bacteria

d)

All of the above

e)

None of the Above

31.

What cell part is responsible for the conversion of sunlight and water into glucose (photosynthesis)?

a)

Lysosome

b)

Central Vacuole

c)

Endoplasmic Reticulum

d)

Chloroplast

32.

A cell has a cell wall, ribosomes, but NO nucleus. What type of cell is it?

a)

Plant Cell

b)

Bacteria Cell

c)

Animal Cell

33.

What cell organelle is responsible for synthesizing proteins?

a)

Nucleus

b)

Ribosome

c)

Flagella

d)

Mitochondria

34.

Which nitrogen base in found only in mRNA?

a)

Thymine

b)

Lysine

c)

Uracil

d)

Cytosine

35.

RNA and DNA are both made up of building blocks called...

a)

Cells

b)

Proteins

c)

Nucleotides

d)

Atoms

36.

Every 3 nucleotides codes for an

a)

Codon

b)

Amino Acid

c)

Protein

d)

Polypeptide

37.

Three nucleotides on tRNA are called an

a)

Codon

b)

Codes

c)

Anticodon

d)

Amino Acid

38.

a __________ is a segment of DNA that codes for a protein

a)

gene

b)

allele

c)

histone

d)

helix

39.

In simple (Mendelian) inheritance...The genotype "Tt" would have the ____________ phenotype expressed.

a)

recessive

b)

dominant

c)

blend/mix of the two parents

d)

maternal

40.

_____________ cells contain 23 chromosomes in humans and _____________ cells contain 46 chromosomes.

a)

gamete, somatic

b)

somatic, gamete

c)

mitosis, meiosis

d)

nondisjunction, normal

41.

If a colorblind female plans on having a child with a male with normal color vision...what is the % chance that their first SON would be colorblind?

a)

100%

b)

50%

c)

75%

d)

25%

e)

0%

42.

Human blood type would be an example of this mode of inheritance. Use the picture for reference.

a)

multiple allele

b)

polygenic

c)

incomplete dominance

d)

simple dominance

43.

How many different phenotypes would exist in trait that is controlled by incomplete dominance?

a)

one

b)

two

c)

three

d)

more than four

44.

meiosis results in

a)

four genetically different gametes

b)

two genetically different gametes

c)

four genetically identical somatic cells

d)

two genetically identical somatic cells

45.

What process is pictured here?

a)

crossing over

b)

separation of sister chromatid (anaphase II)

46.

If a chimpanzee has 48 chromosomes in its somatic cells. How many chromosomes would you expect to find in its gametes?

a)

23

b)

24

c)

48

d)

96

47.

Which parent has sex cells that determine the sex of the offspring in humans?

a)

mother

b)

father

c)

50% of the time it is the mother and 50% of the time it is the father

d)

neither. it is completely random and has more to do with the environment

48.

Widow's peak is dominant to a straight hairline. If a heterozygous man has 8 kids with a woman with a straight hairline...which of the following statements is accurate?

a)

exactly 4 of their kids will have a widow's peak and 4 will have a straight hairline

b)

each child will have a 25% chance of having a widow's peak

c)

each child will have a 50% chance of having a widow's peak

d)

exactly 6 of their kids will have a widow's peak and 2 will have a straight hairline

49.

Use the autosomal dominant pedigree to figure out the genotype of individual #4

a)

AA

b)

Aa

c)

aa

d)

impossible to tell given the information provided

50.

meiosis results in four, _______________ cells and mitosis results in four, _________________ cells

a)

genetically different, genetically identical

b)

genetically identical, genetically different

c)

genetically identical, genetically identical

d)

genetically different, genetically different

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