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Protein Synthesis and DNA replication Practice

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

Aly and gabe are learning about how cells work in science class. Their teacher asks them: "Which organelle is the location where protein is made?" What should they answer?

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Nucleotide

2.

During a biology class experiment, Austen and Leah are learning about transcription. They discover that this type of ribonucleic acid is responsible for copying the DNA and bringing it out of the nucleus. Which type is it?

a)

tRNA

b)

mRNA

c)

rRNA

d)

dRNA

3.

During a science experiment, Damaris and Alex are learning about how proteins are made in the body. They discover that when these bond together, they form a protein. What are these?

a)

Amino Acids

b)

Peptide Bonds

c)

Ribose

d)

Nucleotides

4.

Esperanza and Kenia are working on a biology project about how cells make proteins. They learn that mRNA is created during a specific process. During which process does mRNA occur?

a)

Translation

b)

Transcription

c)

Replication

d)

Delivery

5.

Francisca and Monty are working together in their biology class. They are given a DNA strand: AACTGAA. Which of the following is the complementary mRNA sequence that they should write down?

a)

UUGACUU

b)

TTGACTT

c)

AACTGAA

d)

AACUGAA

6.

In biology class, Victor and Ava are learning about how cells make proteins. Their teacher explains that the process of going from mRNA to a protein is called ____.

a)

transcription

b)

rRNA

c)

replication

d)

translation

7.

During a biology class, Monty and Destiny are discussing how genetic information is converted from DNA to mRNA. The process they are talking about is _______

a)

translation

b)

transcription

c)

replication

8.

Lara and Liam are studying how genetic information is passed in living things. Which sequence best represents the flow of genetic information they learn about?

a)

DNA-protein-RNA

b)

Protein-RNA-DNA

c)

RNA-protein-DNA

d)

DNA-RNA-protein

9.

During a biology class experiment, Genesis and Leah are observing how proteins are made in a cell. What brings the amino acids to the ribosome to assemble a protein?

a)

mRNA

b)

tRNA

c)

rRNA

d)

DNA

10.

Briggs and Harley are learning about genetics in class. Their teacher asks, "How many nucleotides are needed to code for 1 amino acid?" Can you help them answer?

a)

1

b)

2

c)

3

d)

4

11.

In a biology class, Damaris and Sapphira are studying genetics. Their teacher gives them the DNA sequence: TACGTTACT. Can you help Damaris and Sapphira TRANSCRIBE this DNA sequence?

(a)  

12.

During a biology class, sapphira and Noah are discussing how tRNA helps in protein synthesis. Sapphira asks Noah, "What is the reverse codon found on the tRNA?"

a)

Codon

b)

Anticodon

c)

Mitosis

d)

Meiosis

13.

During a biology class, Briggs, Seth, and Kenia are working together on a project about protein synthesis. They discover that units of 3 nucleotide bases in mRNA code for a single

amino acid.

What are these units called?

a)

Mitosis

b)

Base Pairing

c)

Anti codon

d)

Codon

14.

During a biology lab, Alex and Karla are learning about how cells make proteins. They discover that a certain enzyme is responsible for coding mRNA from DNA instructions. Which enzyme are they studying?

a)

DNA Polymerase

b)

RNA Polymerase

c)

Helicase

d)

Lipase

15.

During a biology class, esperanza and charlie are discussing the differences between DNA and RNA. Charlie asks, "Which nucleotide base takes the place of Thymine in RNA?"

a)

Uracil

b)

Thymine

c)

Adenine

d)

uRNA

16.

During a biology class, Charlie and Leah are learning about how proteins are made in cells. Their teacher explains that there is a small section of RNA that transports amino acids to the ribosome for synthesis into proteins. What is this type of RNA called?

a)

tRNA

b)

mRNA

c)

rRNA

d)

DNA

17.

Destiny and Gabe are learning about how life works at the molecular level. Their teacher explains: DNA makes RNA → RNA makes proteins →

Proteins make life.

What is this process called?

a)

Homeostasis

b)

Mendelian Genetics

c)

Central Dogma

d)

Myocardial Infarction

18.

Victor and Ava are analyzing a DNA sample in their biology class. They discover that 15% of the bases in the sample are thymine (T). What percentage of the bases in this sample are adenine (A)?

a)

15%

b)

30%

c)

35%

d)

85%

19.

Noah is studying genetics in his biology class. He is given the following DNA segment: ATG TGA CAG.
What is the complementary DNA strand that Noah should write down?

(a)  

20.

Briggs and Sapphira are studying a model of double-stranded DNA in their biology class. They notice that the amount of Adenine present is always equal to the amount of which other base?

a)

cytosine

b)

guanine

c)

thymine

d)

uracil

21.

During a science class, Francisca and Alex are discussing why DNA is important for living things. What is the main reason DNA is 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

22.

During a science project, Ava and Victor are building a model of DNA replication. They need to identify which enzyme acts as "The Builder" by adding nucleotides to the growing DNA strand. Which enzyme should they choose?

a)

Topoisomerase

b)

DNA Polymerase

c)

Ligase

d)

Primase

23.

During a biology lab, Lara and Kenia are observing how DNA replication begins. They notice an enzyme that unzips the DNA strands to prepare for replication. Which enzyme are they observing?

a)

helicase

b)

replicase

c)

polymerase

d)

synthase

24.

During a biology class, Briggs and Lara are examining a DNA model. They notice that the nitrogenous bases are connected in a specific way. Nitrogenous bases are joined by which type of bond?

a)

polar bonds

b)

ionic bonds

c)

covalent bonds

d)

hydrogen bonds

25.

Labeled the diagram

a)

RNA

b)

transcription

c)

translation

d)

protein

e)

DNA

1
2
3
4
5
1)
2)
3)
4)
5)
26.

Alex and Ava are building a model of DNA for their science project. They notice that the two strands of DNA in their model are

a)

Parallel

b)

Antiparallel

c)

Perpendicular

d)

At Right Angles

27.

Label the DNA structure.

a)Sugar
b)Phosphate
c)Hydrogen bond
d)sugar phosphate backbone
e)Nucleotide
1
2
3
4
5
1)
2)
3)
4)
5)
28.

During a biology class, Victor and Aly are discussing how genetic information is translated. How many nucleotides make up a codon?

a)

1

b)

3

c)

5

d)

15

29.

Duane and Aly are studying genetics. They come across the sequences: AAU, GCG, and AUG. How many codons are present in these sequences?

a)

9

b)

1

c)

3

d)

15

30.

Noah and Ava are studying RNA sequences in their biology class. They come across the sequences AAU, GCG, and AUG. How many nucleotides are there in total?

a)

9

b)

3

c)

1

d)

15

31.

During a biology lab, Karla and Liam are analyzing an mRNA strand to determine its amino acid sequence. The mRNA strand they are working with is:


UGU-UGG-AUA-CCC

What is the amino acid sequence for this strand?

(a)  

32.

During biology class, Jocelyne and Gabe are working together to decode an mRNA strand for their genetics project.


If the mRNA strand is AAU-UCG-CAA-GGG, what is the amino acid sequence they should write down?

(a)  

33.

During biology class, Humphries and dynasia are working together to decode an mRNA strand for their genetics project.


If the mRNA strand is AUG-GAC-ACU-UAG, what is the amino acid sequence they should write down?

(a)  

34.

During a biology class, Seth and Ava are studying genetic codes. Seth asks Ava, "Do you know which protein is built from the codon AAA?"

a)

ASPARAGINE

b)

LYSINE

c)

SERINE

d)

ARGININE

35.

During a biology class, Lara and Alex are discussing genetic codes. Lara asks Alex, "Which of the following is NOT a stop codon?"

a)

UAA

b)

UGG

c)

UAG

d)

UGA

36.

Label the cell cycle.

a)G1
b)Sphase
c)Interphase
d)G2
e)Prophase
f)Metaphase
g)Anaphase
h)mitosis
i)Telophase
1
2
3
4
5
6
7
8
9
1)
2)
3)
4)
5)
6)
7)
8)
9)
37.

Leah and Victor are studying the cell cycle in their biology class. They want to know: During what phase of the cell cycle does cell division occur?

a)

Interphase

b)

M phase

c)

S phase

d)

G2 phase

38.

During a biology class, Damaris and Alex are discussing the cell cycle. They want to know: during what phase of the cell cycle is DNA replicated?

a)

G1 phase

b)

S phase

c)

G2 phase

d)

M phase

39.

Aly and Ava are studying how cells grow and divide in their biology class. During which phase of the cell cycle does the cell grow?

a)

G1 phase

b)

S phase

c)

M phase

d)

Cytokinesis

40.

Put the cell cycle in order (the rest phase is last)

a)

G1

b)

S

c)

G2

d)

M

e)

G0

1)
2)
3)
4)
5)
41.
Determine the sex of the individual whose karyotype is displayed in the image.
a)
female
b)
male
42.
Determine the sex of the individual whose karyotype is displayed in the image.
a)
female
b)
male
43.
A pair of identical chromosomes shown in a karyotype, one inherited from mom, and one inherited from dad are called
a)
sister chromotids
b)
centromeres
c)
homologous chromosomes
d)
autosomes
44.
A sperm contains
a)
Both an X and a Y chromosome
b)
Two X chromosomes
c)
An X OR a Y chromosome
d)
only a Y chromosome
45.
What makes this individual's karyotype not normal?
a)
An extra sex chromosome
b)
An extra autosome
c)
A missing sex chromosome
d)
A missing autosome
46.
Which would be considered a somatic cell?
a)
Sperm cell
b)
Egg Cell
c)
Skin Cell
d)
All of these
47.
A picture of paired chromosomes is a
a)
sister chromatid
b)
centromere
c)
syndrome
d)
karyotype
48.

This is known as Edwards Syndrome, can you identify the chromosomal mutation?

a)

Chromosomes 1 and 2 are bent

b)

There is no Y chromosome

c)

This persons chromosomes are normal

d)

There are 3 of chromosomes 18

49.

Chromosome pairs 1-22 are referred to as

a)

sex chromosomes

b)

sister chromatids

c)

a karyotype

d)

autosomes

50.
A
B
C
D

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