(i) Interphase is the time during which the cell is preparing for division by undergoing both cell growth and DNA replication.
(ii) Complete disintegration of the nuclear envelope marks the start of the second phase of mitosis.
(iii) Coenzymes are organic compounds, but their association with apoenzyme is only transient.
(iv) The binding of a substrate induces the enzyme to alter its shape, fitting more tightly around the substrate.
(v) Nucleolus is not a membrane bound structure, and it is a site for active r-RNA synthesis.
How many statements are true?

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.

An Intiative by Sri Chaitanya

answer is D.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

(i)DNA replication takes place during the S phase of the interphase in the cell cycle.
(ii)The second phase of the M phase is metaphase where complete disintegration of the nuclear envelope marks its beginning.
(iii)Coenzymes are organic compounds. They associate transiently with enzymes.
(iv)The fit between the substrate and enzyme is crucial for the efficiency and specificity of enzymatic reactions.
(v)Nucleolus is a non-membrane bound structure found in the nucleus. It is a site for active r-RNA synthesis.

Watch 3-min video & get full concept clarity