Question 21
Lipid molecules in the cell are synthesized by

(a) smooth endoplasmic reticulum
(b) rough endoplasmic reticulum
(c) golgi apparatus
(d) plastids

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Solution

(a) smooth endoplasmic reticulum

The surface of the smooth endoplasmic reticulum contains a number of enzymes which produce lipids. The smooth endoplasmic reticulum acts as the site of lipid production in the cell.

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Question 14
The cell organelle involved in forming complex sugars from simple sugars are

(a) Endoplasmic reticulum
(b) Ribosomes
(c) Plastids
(d) Golgi apparatus

Question 10
Find out the correct sentence.

(a) Enzymes packed in the Lysosomes are synthesized by the RER (rough endoplasmic reticulum).
(b) Rough endoplasmic reticulum and smooth endoplasmic reticulum produce lipids and proteins respectively.
(c) The endoplasmic reticulum is related to the destruction of plasma membrane.
(d) Nucleoid is present inside the nucleoplasm of the eukaryotic nucleus.

Question 12
The proteins and lipids, essential for building the cell membrane, are manufactured by

(a) Rough endoplasmic reticulum
(b) Golgi apparatus
(c) Plasma membrane
(d) Mitochondria

Question 11
Which cell organelle plays a crucial role in detoxifying many poisons and drugs in a cell?

(a) Golgi apparatus
(b) Lysosomes
(c) Smooth endoplasmic reticulum
(d) Vacuoles

(a) Why lysosomes are called suicide bags?

(b) What is the difference between smooth endoplasmic reticulum and rough endoplasmic reticulum?

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Endoplasmic Reticulum

Standard IX Biology

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Question 21 Lipid molecules in the cell are synthesized by (a) smooth endoplasmic reticulum (b) rough endoplasmic reticulum (c) golgi apparatus​​​​​​​ (d) plastids​​​​​​​

(a) smooth endoplasmic reticulum The surface of the smooth endoplasmic reticulum contains a number of enzymes which produce lipids. The smooth endoplasmic reticulum acts as the site of lipid production in the cell.

Question 21
Lipid molecules in the cell are synthesized by

(a) smooth endoplasmic reticulum
(b) rough endoplasmic reticulum
(c) golgi apparatus
(d) plastids

(a) smooth endoplasmic reticulum

The surface of the smooth endoplasmic reticulum contains a number of enzymes which produce lipids. The smooth endoplasmic reticulum acts as the site of lipid production in the cell.