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DNA/RNA and Protein Synthesis

Total questions: 29

Worksheet time: 33mins

Name
Class
Date
1.

Which of the following are differences in the structure between RNA and DNA?

Choose 3

a)

DNA uses deoxyribose sugar, RNA uses sugar ribose

b)

DNA pairs Adenine with Uracil, RNA pairs Adenine with Thymine

c)

DNA is a double helix, RNA is a single helix

d)

DNA pairs Adenine with Thymine, RNA pairs Adenine with Uracil

2.

Which organelle is the location where protein is made?

a)

Ribosome

b)

Nucleus

c)

Cytoplasm

d)

Nucleotide

3.

During transcription, this type of RNA is responsible for copying the DNA and bringing it out of the nucleus.

a)

tRNA

b)

mRNA

c)

rRNA

d)

dRNA

4.

These building blocks consist of a sugar, phosphate, and nitrogen base.

a)

Ribose

b)

Nucleotide

c)

Gene

d)

Protein

5.

Which of the following is the complementary mRNA sequence to this DNA strand during Transcription? AACTGAA

a)

UUGACUU

b)

TTGACTT

c)

AACTGAA

d)

AACUGAA

6.
DNA sequence is ACAGTGC. How would this be coded on mRNA?
a)
TGTCACG
b)
UGUCACG
c)
GUGACAU
d)
CACUGUA
7.
Which of the following is the site of transcription?
a)
vacuole
b)
lysosome
c)
nucleus
d)
ribosome
8.
Which of the following is the site of translation?
a)

Cytoplasm to Nucleus

b)

Membrane to cytoplasm

c)

nucleus to cytoplasm

d)

cytoplasm. tRNA brings amino acids to ribosome

9.

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

a)
mRNA
b)
tRNA
c)
rRNA
d)

DNA

10.

Which process is A?

a)

transcription

b)

DNA replication

c)

translation

11.

Which process is B?

a)

transcription

b)

DNA replication

c)

translation

12.

During Translation, mRNA are _______ that match with tRNA which are _____to form the amino acid.

a)

anticodons; Codons

b)

Codons; anticodons

c)

Amino Acid; DNA

d)

Mitochondria; chloroplast

13.

Use your codon chart to match the mRNA CUU to the correct amino acid

a)

VAL

b)

TYR

c)

LEU

d)

PHE

14.

Use your codon chart to match the mRNA ACU to the correct amino acid.

a)

Thr

b)

Ala

c)

Val

d)

Gly

15.

Amino Acids are built up to make_______

a)

DNA/RNA

b)

mRNA/tRNA

c)

Lipids/glycerol chain

d)

Proteins/polypeptides

16.

During Transcription, DNA is transcribed to ____

a)

mRNA

b)

tRNA

c)

rRNA

d)

a Protein

17.

During translation, _____ brings proteins from the cytoplasm to the ribosome.

a)

ER

b)

DNA

c)

mRNA

d)

tRNA

18.
Which of the following bases would not be found in DNA?
a)
Adenine
b)
Uracil
c)
Cytosine
d)
Guanine
19.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
20.

What are the four nitrogen bases?

a)

adenine, thymine, guanine, cytosine

b)

adenine, lysine, prolene, guanine

c)

arganine, cytosine, lysine, purine

d)

lysine, cytosine, lucine, guanine

21.

Which correctly describes the image?

a)

Nucleotide; B is sugar;A is phosphate; C is the nitrogen base that can be adenine, cytosine, thymine, or guanine

b)

Nucleotide; A is sugar; B is phosphate; C is the nitrogen base that can be adenine, cytosine, thymine, or guanine

c)

Lipid; B is Nitrogen; A is phosphate; C is the sugar base that can be adenine, cytosine, thymine, or guanine

d)

Carbohydrate; B is sugar; A is phosphate; C is the nitrogen base that can be adenine, cytosine, thymine, or guanine

22.
The principle shown in the image is called what?
a)
Transcription
b)
The Central Dogma
c)
Translation
d)
The Principle of Proteins
23.

 A diagram of a cellular process is shown below. Which of the following identifies the process shown?

a)

X-Transcription;

Y-mRNA leaves the nucleus; Z = Translation, tRNA brings amino acids to the Ribosome to make proteins

b)

X-Translation;

Y-mRNA leaves the nucleus; Z = Transcription, tRNA brings amino acids to the Ribosome to make proteins

c)

X-Transcription;

Y-tRNA leaves the nucleus; Z = Translation, mRNA brings amino acids to the Ribosome to make lipids

d)

X-Translation;

Y-mRNA leaves the nucleus; Z = Transcription, tRNA brings amino acids to the Ribosome to make lipids

24.
What does Letter A indicate?
a)
amino acids being brought to the ribosome by tRNA
b)
ribosomes translating DNA
c)
A growing polypeptide chain
d)
new mRNA being formed
25.
which process is shown?
a)
diffusion
b)
repiration
c)
recombination
d)
translation
26.

The picture below shows an enzyme unwinding and unzipping DNA.

​What is the name of this enzyme?

a)

DNA Helicase

b)

DNA Ligase

c)

DNA polyermase

d)

RNA Polymerase

27.

During DNA replication, what would be the complementary strand to the original DNA segment of GCT AAT?

a)

CGA TTA

b)

CGA TAA

c)

GGA UUA

d)

GGU TTU

28.

What is the role of DNA polymerase in the process of DNA replication?

a)

It carries genetic information to the ribosomes

b)

It produces a complimentary copy of a strand of DNA

c)

It constructs RNA chains using a template from DNA genes

d)

It retrieves amino acids from the cytoplasm for protein construction

29.

Which of the following best explains why DNA replication is considered “semi-conservative”?

a)

Replication always produces two DNA molecules, each having two brand new strands

b)

Replication always produces two DNA molecules, one having two old strands and one having two new strands

c)

Replication always produces two DNA molecules, each having one old strand and one new strand

d)

Replication always produces one brand new DNA molecule with two new strands and the original molecule is completely destroyed