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Mechanisms of Genetics Review

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

Which of the following is NOT common to both mitosis and meiosis?

a)

The DNA in the chromosomes is duplicated.

b)

The cells divide into equally sized halves.

c)

There is a reduction in the number of chromosomes in daughter cells.

d)

The chromosomes align themselves at opposite ends of the cells.

2.
How would the DNA sequence GCTATA be transcribed to mRNA?
a)
GCUAUA
b)
CGATAT
c)
CGAUAU
d)
GCUTUT
3.
The process by which the genetic code of DNA is copied into a strand of RNA is called
a)
translation
b)
transcription
c)
transformation
d)
replication
4.

What is the correct order to make a protein?

a)

Protein, DNA, RNA

b)

RNA, DNA, Protein

c)

DNA, RNA, Protein

d)

Protein, RNA, DNA

5.

RNA has what base that is instead of thymine?

a)

guanine

b)

adenine

c)

thymine

d)

uracil

6.
What part of a nucleotide accounts for the genetic variation between individuals?
a)
phosphate
b)
nitrogenous base
c)
deoxyribose
d)
sugar
7.
Where does transcription take place?
a)
nucleus
b)
cytoplasm
c)
ribosome
8.

What is the building block of the biomolecule, Nucleic Acid?

a)
b)
c)
d)
9.

A polypeptide is a sequence of ____________________ held together by a ______________ bond.

a)

amino acids; peptide

b)

fatty acids; ionic

c)

proteins; hydrogen

d)

fatty acids; covalent

10.
What amino acid is represented by the codon UUA?
a)
Phenylalanine
b)
Tyrosine
c)
Leucine
d)
Stop codon
11.
Translation takes place in the 
a)
ribosome
b)
chloroplast
c)
nucleus
d)
mitochondria
12.
What is the term for a three-nucleotide sequence that codes for an amino acid?
a)
base
b)
codon
c)
amine
d)
serine
13.
Which phase of which process does this picture show?
a)
Transcription
b)
Translation
c)
Replication
14.
What process is going on in this photo? 
a)
Transcription 
b)
Translation 
c)
Replication 
d)
All the above 
15.

What is the order for Protein Synthesis?

a)

Transcription -> Translation -> Protein

b)

Translation - > Transcription -> Protein

c)

Protein -> Transcription -> Translation

d)

Translation -> Protein -> Transcription