Which of the following statement is correct for the given diagram?

1.  'C' possesses DNA molecule, RNA molecule and 80 S ribosomes

2.  'A' and 'B' have their own specific enzymes

3.  'E' made by inner membrane towards the intermembrane space

4.  'B' forms the continuous limiting boundary of the organelle 

In prokaryotes, ribosomal RNAs

1.  As well as proteins are synthesized in cytoplasm

2.  Are synthesized in the nucleolus while proteins in cytoplasm

3.  Are synthesized in the cytoplasm while proteins in the nucleolus

4.  As well as proteins are synthesized in nucleus

A number of proteins synthesized by ribosomes on the endoplasmic reticulum are modified in the ______ of the Golgi apparatus before they are released from its trans face

1. Tubules

2. Vesicles

3. Cisternae

4. More than one option is correct

The granular endoplasmic reticulum is not associated with which of the following functions?

1.  Synthesis of secretory as well as non-secretory proteins

2.  Synthesis of non-secretory proteins

3.  Synthesis of steroidal hormones

4.  Synthesis of secretory proteins 

Lysosomes are membrane-bound vesicular structures and are very rich in

1.  DNAs, proteases, and lipases

2.  Enzymes optimally active at the basic pH

3.  Almost all types of hydrolases

4.  RNAs, carbohydrase and cathepsin

Examine the figure given below and select the part correctly matched with its function/structure

1.  Part (A) : Ribosome-made up of 30S and 50S subunits

2.  Part (C) : RER - principally performs the function of packaging materials

3.  Part (D) : Nuclear pore - passage through which movement of RNA takes pace in one direction only

4.  Part (B) : SER - synthesis of steroidal hormones 

Which of the following statements are correct?

a.  The rough endoplasmic reticulum is frequently observed in the cells actively involved in protein synthesis.

b.  Proteins that are to be used outside the cell are synthesized on free ribosomes.

c.  In the eukaryotic cell there is an extensive compartmentalization of cytoplasm through the presence of membrane-bound organelles

d.  ER is found prominently in human eggs and sperms.

1.  All are correct

2.  b & d

3.  a, b & d

4.  a & c 

Chromatin contains

Identify the cell organelles labelled as A, B, C and D. Mark the correct option with respect to organelle and its function.

1.  A - Major site for synthesis of lipid.

2.  B - Performs the function of packaging materials, to be delivered to only intracellular targets.

3.  C - Sites of anaerobic respiration.

4.  D - Main arena of cellular activities 

The spherical structures present in the nucleoplasm