Holocentric chromosomes are :
Q. Holocentric chromosomes are : A) Chromosomes with multiple centromeres B) supernumerary chromosomes C) short chromosome with many ge…
Which of the following modifications leads to protein degradation ?
Q. Which of the following modifications leads to protein degradation ? A) Methylation B) Acetylation C) Acylation D) Ubiquitination…
cells are produced during the gametophyte stage of a plant's life cycle ?
Q. What special types of cells are produced during the gametophyte stage of a plant's life cycle ? A) Haploid gametes B) Zygotes C)…
One map unit of one centimorgan corresponds to recombination frequency of:
Q. One map unit of one centimorgan corresponds to recombination frequency of: A) 0.1% B) 1% C) 10% D) 9.88% ... Answer is …
Infectious proteins are present in :
Q. Infectious proteins are present in : A) Satellite virus B) viroids C) Prions D) Gemini viruses ... Answer is C). Prions …
An enzyme that relieves torsional strain while double-stranded DNA is being unwound is
Q . An enzyme that relieves torsional strain while double-stranded DNA is being unwound is : A) DNA ligase B) DNA gyrase C) DNA relaxas…
Which of the following incorrectly matches the organelle with it's function ?
Q. Which of the following incorrectly matches the organelle with it's function ? A) Gyoxysome - seed growth B) Mitochondria - photophos…
The single most abundant protein in animal tissues is :
Q. The single most abundant protein in animal tissues is : A) RuBisCO B) Collagen C) actin D) fibronectin ... Answer is B).…
which of the following metal constituents of membrane associated protein is involved in respiratory electron transport ?
1. which of the following metal constituents of membrane associated protein is involved in respiratory electron transport ? A) Magnesium …
Bone marrow transplantation in immune compromised patients can potentially cause :
1. Bone marrow transplantation in immune compromised patients can potentially cause : A) T cell leukemia B) GVHD C) delayed hype…
With reference to the bacterial cell wall, which of the following statement is correct ?
1. With reference to the bacterial cell wall, which of the following statement is correct ? A) Gram +ve bacteria lacks peptidoglycan B) Gr…
Viral replication within cells is inhibited directly by :
1. Viral replication within cells is inhibited directly by : A) IFN-γ B) TNF-α C) IL-1 D) IL-4 ... Answer is A). IFN-γ …
Interaction between ........ are not restricted by MHC molecules.
1. Interaction between ........ are not restricted by MHC molecules. A) Th cell and dendritic cell B) Tc cell and target cell C) NK c…
The Class I MHC processing pathway primarily :
1. The Class I MHC processing pathway primarily : A) generates peptides, complexes them with Class I MHC molecules for presentation to helper …
CD8 is a marker of :
1. CD8 is a marker of : A) B cells B) helper T cells C) cytotoxic T cell D) an activated macrophage ... Answer is C) cytot…
Which of the following is characteristic of B but not T cells ?
1. Which of the following is characteristic of B but not T cells ? A) Class 1 MHC B) CD3 C) Measles virus receptor D) Surface immu…
Cell with specific killing effects :
1. Cell with specific killing effects : A) Natural Killer cell B) Neutrophils C) Cytotoxic T-lymphocyte D) Macrophage ... …
In prokaryotes, the lagging strand primers are removed by :
1. In prokaryotes, the lagging strand primers are removed by : A) DNA polymerase I B) DNA polymerase III C) 3' to 5' exonuclea…
Which of the following protein complex involved in breakdown of water ?
Q. Which of the following protein complex involved in breakdown of water ? A) PS II Complex B) cytochrome B6/f Complex C) manganese sta…
Which of the following techniques is used for quantification of mRNA?
Q. Which of the following techniques is used for quantification of mRNA? A) Northern blotting B) Reverse transcriptase PCR C) Real-time…
Codons that specify the same amino acid often differ in the :
1. Codons that specify the same amino acid often differ in the : A) first base B) second base C) first and second base D) third b…
Which of the following is the correct order of basic forces in decreasing strength ?
Q. Which of the following is the correct order of basic forces in decreasing strength ? A) Strong Nuclear, Electromagnetic, weak, Gravitational …
Antibodies qna
1 . Which class of B cell receptors is expressed in naive B-cell ? A) IgG, IgA B) IgM, IgD C) IgE, IgG D) IgM ... Answer i…
amino acid qna
1. Which of the following enzymes catalyses the attachment of an amino acid to t-RNA ? A) aminoacyl tRNA synthetase B) tRNA ligase C)…
Which of the following is a correct statement of the Beer-Lambert law ?
Q. Which of the following is a correct statement of the Beer-Lembert law ? A) The absorbance of a compound in solution is directly proportio…
Beer's law states that ...
Q. Beer's law states that ... A) absorbance is inversely proportional to both path length and concentration of the absorbing species. …
