Cell Structure and Functions

Which one of the following cellular parts is correctly described?

Which one of the following cellular parts is correctly described? Options (a) Centrioles - Sites for active RNA synthesis (b)…

Select the correct statement from the following regarding cell membrane.

Select the correct statement from the following regarding cell membrane. Options (a) Na⁺ and K⁺ ions move across cell membrane…

Given below is a sample of a portion of DNA strand. What is so special shown in it

Given below is a sample of a portion of DNA strand. What is so special shown in it? 5' -…

Select the correct option with respect to mitosis.

Select the correct option with respect to mitosis. Options (a) Chromatids separate but remain in the centre of the cell…

Identify the meiotic stage in which the homologous chromosomes separate

Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their centromeres? Options…

During the metaphase stage of mitosis spindle fibres attach to chromosomes at

During the metaphase stage of mitosis spindle fibres attach to chromosomes at Options (a) Centromere (b) Kinetochore (c) Both centromere…

Macro molecule chitin is:

Macro molecule chitin is: Options (a) Phosphorus containing polysaccharide (b) Sulphur containing polysaccharide (c) Simple polysaccharide (d) Nitrogen containing polysaccharide…

A phosphoglycerate is always made up of:

A phosphoglycerate is always made up of: Options (a) only an unsaturated fatty acid esterified to a glycerol molecule to…

Which one of the following statements about enzymes is wrong?

Which of the following statements about enzymes is wrong? Options (a) Enzymes require optimum pH and temperature for maximum activity…

Which one of the following biomolecules is correctly characterized?

Which one of the following biomolecules is correctly characterized? Options (a) Lecithin - A phosphorylated glyceride found in cell membrane…