A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-harmonal control system?
Options
(a) […]
In the DNA molecule
Options
(a) the total amount of purine nucleotides and pyrimidine nucleotides is not always equal (b) there are two strands which run parallel in the 5′ → 3′ direction […]
What is not true for genetic code?
Options
(a) It is nearly universal (b) It is degenerate (c) It is unambiguous (d) A codon in mRNA is read in a non contiguous fashion
The okazaki fragments in DNA chain growth
Options
(a) polymerize in the 3′-to-5′ direction and forms replication fork (b) prove semi-conservative nature of DNA replication (c) polymerize in the ‘5-to-3′ direction and explain […]
Read the following four statements (A-D). (A) In transcription, adenosine pairs with uracil. (B) Regulation of lac operon by repressor is referred to as positive regulations. (C) The human genome has approximately 50,000 genes. (D) […]
Which of the following forms the basis of DNA Finger printing?
Options
(a) The relative proportions of purines and pyrimidines in DNA. (b) Satellite DNA occurring as highly rpeated short DNA segments (c) […]
Which one of the following pairs of codons is correctly matched with their function or the signal for the particular amino acid?
Options
(a) GUU, GCU – Alanine (b) UAG, UGA – Stop […]
Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly mathced with the category mentioned against it?
Options
(a) Thymine, Uracil – Pyrimidines (b) Uracil, Cytosine – Pyrimidines (c) […]
The length of DNA molecule greatly exceeds the dimensions of the nucleus in eukaryotic cells. How is this DNA accommodated?
Options
(a) super-coiling in nucleosomes (b) DN ase disgestion (c) through elimination of […]
During transcription, RNA polymerase holoenzyme binds to a gene promoter and assumes a saddle-like structure, what is it’s DNA-binding sequence?
Options
(a) AATT (b) CACC (c) TATA (d) TTAA
Correct Answer:
TATA
Explanation: […]
2017-2025 Copyright Doctor Dreams Training Academy - About Us - Privacy Policy - Terms & Conditions - Contact Us - Refund Policy