Addition of a specific gene

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Reference no: EM1398125

15-translation requires
a) mRNA ,tRNA,and DNA
b) mRNA, DNA,and rRNA
c) m RNA, t RNA, r RNA
d) m RNA, t RNA,DNA,r RNA
16- how does termination of translation take place ?
a) The poly-A tail is reached
b) The 5' cap is reached
c) A stop codon is reached
d) The end of the mRNA molecule reached
17- Mendel studies seven different traits in the garden as those studied by mandel?
a) Appearance
b) Genotype
c) Haplotype
d) Category
e) Phonotype
18- During elongation phase of translation, what is read?
a) A site
b) E site
c) P site
d) The small ribosomal subunit
19- There are sixty -one codons that each specify the addition of a specific gene there are no corresponding amino acid, however there are only about for anticodons how is that possible ?
a) An anticodons forms hydrogen bonds with the codon it must match with respect to the third base
b) Only about forty of the recognized sixty -one codon are present
c) There are tRNA as that can bind one of two related amino acid
d) Only twenty of the codon are active one for each amino acid
20- In the tigers recessive alleles causes a white tiger heterozygous is mated to another that is phenotype white which?
a) 50%
b) 100%
c) 75%
d) 25%
21- The work of Gregor mendel provide an answer to two prevailing hypotheses, what are the two hypotheses ?
a) The two major hypotheses of the time were blending inheritance
b) Animals use one set of rules for inheritance while plant use different rule
c) Peas and another domestic plant are unsuited for studies of inheritance
d) Self-fertilization is the rule in plants while cross fertilization is the rule
e) Mitosis is only typical in vertebrates meiosis is only typical in invariant
22- In a health cell the rate of DNA repair is equal to the rate of DAN rate of mutation, what is possible fate for the cell?
a) RNA may be used instead of DNA as inheritance material
b) The cell can be transformed to cancerous cell
c) DNA synthesis will continue by anew mechanism
d) The cell will be become embryonic
23- When Thomas hunt morgan crossed his red eyed F1 generation with red and white eyed flies , remarkably , all the white eyed flies
a) The gene involved is on the X chromosome
b) Other female specific factor in flounce eye color in flies
c) Other male specific factor influence eye color in flies
d) The gene involved is on the Y CHROMOSOME
e) The gene involved is on an autosome , but only in males
24- Particular triplet of base in the coding sequence of DNA code is
a) UUA
b) TTT
c) AAA
d) UUU
25- Hydrangea plant of the same genotype are planted in large flower garden and other pink flower the can be best explained by which of the following ?
a) The knowledge that multiple alleles are involved
b) The alleles being codominant
c) The fact that the mutation has accrued
d) The alleles for blue hydrangea being completed dominant
e) Environmental facts are involved such as soil Ph. .

Reference no: EM1398125

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