Cell: The Unit of Life

Two spherical unicellular organisms, X and Y, have the same cytoplasmic composition, metabolic pathways, and live in identical nutrient-rich aerobic conditions. The diameters of X and Y are, respectively, $10$ and $20$…

Assertion: The whole chromatin is not functional. Reason : Heterochromatin does not take part in transcription.

Identify the accurate explanation of mesosome It is

Which one of the following is correct for the transmembrane proteins in lipid bilayer of plasma membrane?

PS-II occurs only in

Cell theory was proposed by

Many cells function properly and divide mitotically even though they do not have

Which of the following is related to glycosylation of protein?

Match the following columns and select the correct option:- Column-I Column-II (a) Ovary (i) Human chorionic gonadotropin (b) Placenta (ii) Estrogen & Progesterone (c) Corpus luteum (iii) Androgens (d) Leydig cells (iv)…

Match List-I with List- II. $\begin{array}{|l|l|l|l|}\hline & \text{List - I} & & \text{List - II} \\\hline \text{A}. & \text{Centromere} & \text{(i)} & \text{Mitochondrion} \\\hline \text{B.} & \text{Cilium} &…

Match List -I with list -II. List - I List - II (a) Metacentric chromosome (i) Centromere situated close to the end forming one extremely short and one very long arms (b) Acrocentric chromosome (ii) Centromere at the…

Match List-I with List-II: [image] Choose the correct answer from the options given below: