JK1998

Which one of the cell organelles is not enclosed by any membrane

Which one of the cell organelles is not enclosed by any membrane? Options (a) lysosome (b) ribosome (c) mitochondria (d)…

When a cell is dipped in a solution having a higher concentration of solutes

When a cell is dipped in a solution having a higher concentration of solutes than intracellular fluids the solution is…

The fluid mosaic model of plasma membrane visualizes the central bilayer composed

The fluid mosaic model of plasma membrane visualizes the central bilayer composed of phospholipids with their spherical polar heads Options…

The F F sub unit combination of particles borne by the inner membrane of mitochondria

The F₀ - F₁ sub unit combination of particles borne by the inner membrane of mitochondria function as Options (a)…

The electron lost by P in the light reaction of photosynthesis is finally

The electron lost by P₆₈₀ in the light reaction of photosynthesis is finally gained by Options (a) NADP (b) NADPH…

A 2.5 mol sample of N₂H₄ loses 25 mol of electrons in being converted

A 2.5 mol sample of N₂H₄ loses 25 mol of electrons in being converted to a new compound X, Assuming…

How many of the daughter cells obtained from a megaspore mother cell result

How many of the daughter cells obtained from a megaspore mother cell result in the matured ovum? Options (a) four…

Allyl isocyanide has

Allyl isocyanide has Options (a) 9 sigma bonds and 4π bonds (b) 9 sigma bonds, 3π bonds and 2 non-bonding…

Primary,secondary and tertiary amines may be separated by using

Primary,secondary and tertiary amines may be separated by using Options (a) benzene (b) diethyl oxalate (c) sulphonyl chloride (d) acetyl…

Chlorobenzene can be prepared by reacting aniline with

Chlorobenzene can be prepared by reacting aniline with Options (a) hydrochloric acid (b) cuprous chloride (c) chlorine in presence of…