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WorksheetsBiology 1B Final Review
Total questions: 40
Worksheet time: 20mins
Name
Class
Date
1.
Which of these is not a role of DNA?
a)
copies info
b)
deletes info
c)
stores info
d)
transfers info
2.
What is the monomer of nucleic acids like DNA?
a)
nucleotide
b)
amino acid
c)
protein
d)
monosaccharide
3.
Which of these is not a building block of the nucleotide?
a)
amino acid
b)
phosphate group
c)
sugar
d)
nitrogenous bases (A, T, C, G, U)
4.
In our candy DNA model, we used marshmallows to connect the two strands of DNA together in the middle. What did that represent?
a)
hydrogen bond
b)
covalent bond
c)
sugar phosphate backbone
d)
nitrogenous bases (information)
5.
Why are Watson and Crick important to the story of DNA?
a)
They developed a correct model of DNA
b)
The took XRay photos of DNA
c)
They knew that each A matched with T, and each C matched with G
d)
They made mice sick by giving them bacteria to provide evidence for DNA transformation
6.
If you were to analyze a strand of DNA and you found that there was 30% Adenine, which of the following statements can you infer?
a)
There is 30% Guanine
b)
There is 30% Cytosine
c)
There is 20% Thymine
d)
There is 20% Cytosine
7.
Which enzyme is responsible for "unzipping the genes" before DNA replication?
a)
helicase
b)
DNA primase
c)
DNA polymerase
d)
RNA polymerase
8.
What is true about DNA replication?
a)
Each daughter DNA molecule has one old strand and one new strand
b)
Each daughter DNA molecule has a mixture of old and new DNA on both strands
c)
The two daughter DNA molecules are different: one is completely old and one is completely new
d)
The two daughter DNA molecules are both completely new
9.
Which enzyme is responsible for adding new nucleotides to the growing DNA polymer in DNA replication?
a)
DNA polymerase
b)
RNA polymerase
c)
DNA primase
d)
helicase
10.
Which of these is not a correct statement that differentiates DNA and RNA?
a)
RNA and DNA have the same nitrogenous bases
b)
RNA is single stranded and DNA is double stranded
c)
DNA stays in the nucleus while RNA versions can leave the nucleus
d)
RNA's sugar= ribose
DNA sugar= deoxyribose
DNA sugar= deoxyribose
11.
Which of the following RNA molecules is responsible for bringing the appropriate amino acid to the growing polypeptide chain by use of the associated anticodon?
a)
rRNA
b)
tRNA
c)
mRNA
d)
dRNA
12.
DNA-->RNA-->protein
represents what?
represents what?
a)
Central Dogma of Biology
b)
transcription
c)
translation
d)
mitosis
13.
Transcription happens in _____ and makes _____
a)
the nucleus, mRNA
b)
the ribosome, a protein
c)
the ribosome, mRNA
d)
the nucleus, a protein
14.
Translation happens in _____ and makes _____
a)
the nucleus, mRNA
b)
the ribosome, a protein
c)
the ribosome, mRNA
d)
the nucleus, a protein
15.
Which of these is not one of the ways in which a mutation affects an organism?
a)
Helps
b)
Harms
c)
No effect
d)
reverse-evolves
16.
A mutation is...
a)
a change in the DNA code
b)
a change in the genetic code
c)
a change in the anticodon
d)
an intended change in the protein
17.
_____ cells are more efficient because they have _____
a)
Smaller cells, larger SA: V
b)
Smaller cells, smaller SA: V
c)
Larger cells, smaller SA: V
d)
Larger cells, larger SA: V
18.
Asexual reproduction is characterized by...
a)
Needing two parents
b)
Providing lots of genetic diversity
c)
Taking a lot of time and energy
d)
Producing lots of offspring quickly
19.
Which is the correct order of the cell cycle?
a)
Interphase, Prophase, Metaphase, Anaphase, Telophase, Cytokinesis
b)
Prophase, Anaphase, Telophase, Metaphase, Cytokinesis, Interphase
c)
Interphase, Anaphase, Metaphase, Cytokinsesis, Prophase, Telophase
d)
Cytokinesis, Prophase, Metaphase, Interphase, Telophase, Anaphase
20.
What is the product of mitosis?
a)
2 identical daughter cells
b)
2 different daughter cells
c)
4 identical daughter cells
d)
4 different daughter cells
21.
What is the product of meiosis?
a)
2 identical daughter cells
b)
2 different daughter cells
c)
4 identical daughter cells
d)
4 different daughter cells
22.
How is cytokinesis different in animal cells vs plant cells?
a)
Animal cells produce 4 daughter cells after mitosis vs plant cells make 2
b)
Animal cells don't go through cytokinesis but plant cells do
c)
Plant cells produce a cell wall
d)
Animal cells produce a cell wall
23.
How is the cell cycle regulated?
a)
By proteins called "cyclin"
b)
By telomeres
c)
By spindle fibers
d)
By osmosis
24.
Why are cancer cells different than regular somatic cells?
a)
Somatic cells will stop reproducing once they touch each other
b)
They are exactly the same
c)
Cancer cells reproduce slower than regular somatic cells
d)
Cancer cells don't have cyclin
25.
What is the term for cells developing their specialized jobs in the body?
a)
differentiation
b)
meiosis
c)
embryo
d)
stem cells
26.
Why are stem cells SO COOL???
a)
They can be programmed to become anything
b)
They have very specialized jobs
c)
They are only found in adults
d)
They are only formed during meiosis
27.
Cells that undergo programmed cell suicide have experienced...
a)
apoptosis
b)
necrosis
c)
differentiation
d)
cancer
28.
A cell that has two sets of chromosomes from mom and dad is said to be
a)
diploid
b)
haploid
c)
homozygous
d)
heterozygous
29.
Humans have ___ chromosomes in their somatic cells.
a)
46
b)
23
c)
43
d)
100
30.
Daughter cells (products) of meiosis
a)
are diploid
b)
have two sets of chromosomes
c)
are haploid
d)
make somatic body cells
31.
A human gamete has
a)
23 chromosomes
b)
46 chromosomes
c)
100 chromosomes
d)
1/4 the normal chromosome number
32.
Who is considered the father of genetics?
a)
Darwin
b)
Bill Nye
c)
Mendel
d)
Doctor Who
33.
Where is the code for traits?
a)
on genes
b)
on proteins
c)
on Punnett Squares
d)
in the ribosome
34.
Two different version of a gene (big vs small) are called
a)
traits
b)
alleles
c)
homologous pairs
d)
codominate
35.
What occurs during fertilization?
a)
an egg cell meets a sperm cell
b)
an embryo differentiates into a fetus
c)
alleles segregate
d)
gametes are made
36.
A plant that has pink flowers (RW) ...
a)
shows co-dominant inheritance
b)
has the phenotype RW
c)
has the phenotype "pink flowers"
d)
has the genotype "pink flowers"
37.
A homozygous pair of alleles...
a)
will always be dominant
b)
will always be recessive
c)
has both a dominant and recessive allele
d)
has two of the same alleles
38.
A karyotype...
a)
shows you patterns of inheritance
b)
shows you all of an organism's chromosomes
c)
is like a family tree
d)
shows haploid chromosomes
39.
Who is responsible for determining the sex of their child?
a)
Mom
b)
Dad
40.
Which of these represents the sex chromosomes of a female
a)
XX
b)
XY
c)
X
d)
Y
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