Rough ER

Q.

___ are the non-membranous cell organelles made of basic proteins and r-RNA are concerned with protein synthesis.

Q.

Which are the smallest and largest cell organelles of the cell?

Q.

Find out the correct sentence

1. Enzymes packed in lysosomes are made through Rough Endoplasmic Reticulum.

2. Rough endoplasmic reticulum and smooth endoplasmic reticulum produce lipid and protein respectively.

3. Endoplasmic reticulum is related to the destruction of plasma membrane.

4. Nucleoid is present inside the nucleoplasm of the eukaryotic nucleus.

Q. The sedimentation constant of ribosome is generally 70S. its break up into 2 subunit whose
sedimentation constants are?

Q. Which of the following pair of cell organelles are involved in the package of proteins?

1. Golgi bodies and vacuoles
2. Endoplasmic reticulum and golgi bodies
3. Mitochondria and endoplasmic reticulum
4. Mitochondria and chloroplast

Q.

State the function of Ribosomes.

Q.

The rough ER contains __ which help in protein synthesis.

Q.

The rough ER contains __ which helps in protein synthesis.

Q.

The rough ER contains __ which help in protein synthesis.

Q.

The rough ER contains __ which helps in protein synthesis.

Q. Which of these is not related to endoplasmic reticulum?

1. It behaves as transport channel for proteins between nucleus and cytoplasm.
2. It transports materials between various regions in cytoplasm.
3. It can be the site of energy generation.
4. It can be the site for some biochemical activities of the cell.

Q. Which of the following plant cell undergoes programme cell death to become functional?

1. Phloem sieve tube member
2. Stomatal gaurd cell
3. Xylem vessel member
4. Bundle sheath cell