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Jeneeta Eliza John
Subject: Biology
, asked on 29/9/17
What is telomerase enzyme? What is a telomere repetitive DNA sequence?
Answer
1
Jeneeta Eliza John
Subject: Biology
, asked on 29/9/17
In transgenics, expression of transgene in target tissue is determined by
(1) Enhancer (2) Transgene (3) Promoter (4) Reporter
Sol. Answer (3)
What is a transgene?
Answer
1
Jeneeta Eliza John
Subject: Biology
, asked on 29/9/17
Differentiation of organs and tissues in a developing organism, is associated with
(1) Differential expression of genes (2) Lethal mutations
(3) Deletion of genes (4) Developmental mutations
Sol. Answer (1)
Please explain why (1) is the correct ans
Answer
1
Jeneeta Eliza John
Subject: Biology
, asked on 29/9/17
After a mutation at a genetic locus the character of an organism changes due to change in
(1) Protein structure (2) DNA replication
(3) Protein synthesis pattern (4) RNA transcription pattern
Sol. Answer (1)
Isn't option (3) more apt? Please explain why the ans is (1)
Answer
1
Jeneeta Eliza John
Subject: Biology
, asked on 29/9/17
A sequential expression of a set of human genes occurs when a steroid molecule binds to the:
[AIPMT (Prelims)-2007]
(1) Ribosome (2) Transfer RNA (3) Messenger RNA (4) DNA sequence
Sol. Answer (4)
Please explain the following question and answer
Answer
1
Jeneeta Eliza John
Subject: Biology
, asked on 29/9/17
Select the correct one (w.r.t. Wobble hypothesis)
(1) Third base of a codon lacks vibrating capacity
(2) Third base can establish H-bonds even with the non complementary anticodon
(3) Specificity of a anticodon is particularly determined by first two codon
(4) Major cause of degeneracy is the first two N-bases of codon
Please explain why the answer cannot be (4). The correct ans given is (2). Please explain the 2nd option also
Answer
1
Deepa
Subject: Biology
, asked on 29/9/17
how many amino acids will be coded by the sequence if the 14th base of given M RNA converts to G?
5' AUG UUU CUC UAG CCG 3'
Answer
1
Ayesha Jahan
Subject: Biology
, asked on 23/9/17
How do we get the length of human dna as 1.8m? When i calculate it I get 1.02m...is there any thing I'm missing
Answer
1
Ayesha Jahan
Subject: Biology
, asked on 21/9/17
if the length of a double helical DNA is 1.7 metre then the number of base pairs present in DNA
Answer
1
B Ashwini
Subject: Biology
, asked on 3/9/17
Explain Human Genome project and DNA Fingerprinting. (videos if possible)
Answer
2
Gunjan Khurana
Subject: Biology
, asked on 20/8/17
Allelic sequence variation has traditionally been described as dna polymorphism if more than one variant at a locus occurs in human population with a freqyency greater than 0.01
Answer
2
Ayesha Jahan
Subject: Biology
, asked on 15/8/17
Explain in brief the meaning of the first two paragraphs in page number 122 NCERT biology book.
Answer
1
Varsha Bisht
Subject: Biology
, asked on 15/8/17
sir can you pleae give the answer of the question that I had asked in the form of flowchate ,using the symbols?
Answer
1
Varsha Bisht
Subject: Biology
, asked on 15/8/17
what does gene expression mean? provide full explanation?
Answer
1
Anushka Ranaut
Subject: Biology
, asked on 9/8/17
Question 18.
Answer
1
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Next
What are you looking for?
(1) Enhancer (2) Transgene (3) Promoter (4) Reporter
Sol. Answer (3)
What is a transgene?
(1) Differential expression of genes (2) Lethal mutations
(3) Deletion of genes (4) Developmental mutations
Sol. Answer (1)
Please explain why (1) is the correct ans
(1) Protein structure (2) DNA replication
(3) Protein synthesis pattern (4) RNA transcription pattern
Sol. Answer (1)
Isn't option (3) more apt? Please explain why the ans is (1)
[AIPMT (Prelims)-2007]
(1) Ribosome (2) Transfer RNA (3) Messenger RNA (4) DNA sequence
Sol. Answer (4)
Please explain the following question and answer
(1) Third base of a codon lacks vibrating capacity
(2) Third base can establish H-bonds even with the non complementary anticodon
(3) Specificity of a anticodon is particularly determined by first two codon
(4) Major cause of degeneracy is the first two N-bases of codon
Please explain why the answer cannot be (4). The correct ans given is (2). Please explain the 2nd option also
5' AUG UUU CUC UAG CCG 3'