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DNA And Protein Synthesis
Test Description: This review test will enable students to revise concepts around the DNA and its role in protein synthesis.
Instructions: Answer all questions to get your test result.
1) Define ecology
A
the study of fossils
B
the study of ecosystems
C
the study of plants
D
the study of nature
2) How many chromosomes are found in a mature diploid cell
A
46
B
23
C
2
D
4
3) The organic molecle that that act as a blue print for protein synthesis
A
rRNA
B
tRNA
C
DNA
D
mRNA
4) Which of the following is a base found only on the RNA and not on the DNA?
A
guanine
B
cytocine
C
adenine
D
uracil
5) What is the minimum number of amino acids needed to have a complete protein molecule?
A
more than 1
B
anything above 1
C
atleast 2
D
50
6) What is trisomy 21?
A
sickle celled anaemia
B
down's syndrome
C
karyotype
D
polyploidy
7) A haploid cell has how chromatids?
A
92
B
23
C
46
D
none of the above
8) The coding of the mRNA by the DNA takes place in the..
A
nucleolus
B
ribosome
C
nucleus
D
cytoplasm
9) The father of genetics
A
Watson
B
Charles Darwin
C
Gallelio
D
G. Mendel
10) A point of crossing-over on the bivalent pair
A
centromere
B
chiasmata
C
centreole
D
chromatid
*select an answer for all questions
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