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TEK 7B*

Total questions: 18

Worksheet time: 18mins

Name
Class
Date
1.

The initial steps in gene expression are modeled. Double-stranded DNA first unwinds into two strands. Which process and product are represented in the diagrams?

a)

Process: transcription; product: mRNA

b)

Process: translation; product: protein

c)

Process: replication; product: tRNA

d)

Process: recombination; product: polymerase

2.
Name the process in the picture.
a)
transcription
b)
mitosis
c)
translation
d)
replication
3.

Which amino acid sequence can be coded from the DNA sequence CAG TAG CGA?

a)

Valine - Isoleucine - Glycine

b)

Valine - Aspartic Acid - Alanine

c)

Valine - Isoleucine - Alanine

d)

Valine - Phenylalanine - Alanine

4.
Which process is used to make mRNA from the DNA in the nucleus?
a)
transcription
b)
translation
c)
replication 
5.
Which RNA bases would pair with TACGAA in transcription? 
a)
AUGCUU
b)
ATGCTT
c)
GCATCC
d)
GCAUCC
6.
Where does transcription take place?
a)
nucleus
b)
cytoplasm
c)
ribosome
7.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA
a)
4
b)
2
c)
6
d)
12
8.
What is occurring in this picture?
a)
Translation
b)
Replication
c)
Translocation
d)
Transcription
9.

What amino acid (abbreviation) would be added to the protein being formed during translation if the mRNA codon reads "CCU?"

(a)  

10.

If the mRNA codon is AUG, what amino acid would the tRNA bring?

a)

Met

b)

GLu

c)

Ala

d)

Phe

11.

When going from mRNA to Amino Acids, this process is called?

a)

Transcription

b)

Translation

c)

Replication

12.

Translation happens in the -

a)

Nucleus

b)

Ribosome

c)

Chloroplast

d)

Smooth Endoplasmic Reticulum

13.

Based on the image shown, which process is taking place?

a)

Replication

b)

Translation

c)

Transcription

d)

Cell Division

14.

Where in the cell does translation take place?

a)

Nucleus

b)

outside the nucleus in the cytoplasm on a ribosome

c)

Chloroplast

d)

centriole

15.
What process is occurring in this photo?
a)
Transcription
b)
Translation
c)
mRNA is matching with amino acids
d)
tRNA is transcribing the DNA
e)

Replication

16.

RNA polymerase is required for which step of protein synthesis?

a)
transcription
b)

translation

c)

replication

17.

Amino acids are joined together in order to form...

a)

DNA

b)

ribosomes

c)

proteins

d)

RNA

18.
What are the building blocks of proteins called?
a)
DNA
b)
RNA
c)
Ribosomes
d)
Amino Acids