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