Which pair of structure are usually found in both plant and animal cells?
Options
(a) nucleus and cell wall (b) nucleolus and chloroplast (c) cell membrane and cell wall (d) cell membrane and […]
Which phase comes in between the G₁ and G₂ phase of the cell cycle?
Options
(a) M phase (b) G₀ phase (c) S phase (d) interphase
Correct Answer:
S phase
Explanation:
No explanation […]
Which statement is not true about prokaryotes?
Options
(a) DNA is completed with histones (b) Well-developed nucleus is absent (c) Mesosome is present (d) Mitochondria is absent
Correct Answer:
DNA is completed with […]
Which structures perform the function of mitochondria in bacteria?
Options
(a) Nucleoid (b) ribosomes (c) Cell wall (d) Mesosomes
Correct Answer:
Mesosomes
Explanation:
In some bacteria (e.g., Bacillus subtilis) the plasma membrane form certain […]
Who discovered the cell (actually the cell wall) in section of cork?
Options
(a) Schwann (b) Schleidan (c) Robert Hooke (d) Leeuwenhoek
Correct Answer:
Robert Hooke
Explanation:
No explanation available. Be the first […]
Yeast cell can progress through the cell cycle in about
Options
(a) 30 minutes (b) 60 minutes (c) 90 minutes (d) 120 minutes
Correct Answer:
90 minutes
Explanation:
No explanation available. Be the […]
Genomic DNA library is
Options
(a) Packing of donor DNA in a collection of vectors (b) A collection of gene vectors (c) Collection of organisms for extracting DNA (d) A collection of literature […]
Identify the plasmid
Options
(a) EcoRI (b) AIUI (c) Hind III (d) pBR 322
Correct Answer:
pBR 322
Explanation:
pBR322 is a plasmid and was one of the first widely used E. coli […]
Illegal and unlawful development of biomaterials without payment to inhabitants of their origin is called
Options
(a) Biopatent (b) Biotechnology (c) Biowar (d) Biopiracy
Correct Answer:
Biopiracy
Explanation:
The commercial exploitation or monopolization of […]
In gel electrophoresis, differential mobility of DNA depends upon
Options
(a) Helical nature of DNA (b) Double stranded nature of DNA (c) Charge and size of DNA (d) Hydrogen bonding between bases
Correct […]
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