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Question

The chief functions of ER are
I. Protein synthesis
II. Lipid synthesis
III. Glycogen synthesis
IV. Cholesterol synthesis
V. ATP synthesis
VI. Detoxification
Choose the correct answer.

  1. I, II, III, IV, VI
  2. I, II, IV, V
  3. II, III, IV, V
  4. III, IV, V, VI

A
I, II, III, IV, VI
B
I, II, IV, V
C
II, III, IV, V
D
III, IV, V, VI
Solution
Verified by Toppr

  • The Endoplasmic reticulum (ER) is a eukaryotic organelle that forms an interconnected network of tubules, vesicles, and cisternae within cells. Rough endoplasmic reticulum synthesizes proteins,
  • while smooth endoplasmic reticulum synthesizes lipids and steroids, metabolizes carbohydrates and steroids and regulates calcium concentration, drug detoxification and attachment of receptors on cell membrane proteins. Sarcoplasmic reticulum solely regulate calcium levels.

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Similar Questions
Q1
The chief functions of ER are
I. Protein synthesis
II. Lipid synthesis
III. Glycogen synthesis
IV. Cholesterol synthesis
V. ATP synthesis
VI. Detoxification
Choose the correct answer.

View Solution
Q2
Match the Column-I with Column-II and select the correct option.
Column-I
a. RER
b. SER




Column-II
(i) Detoxification of many poisons
(ii) Synthesis of steroid hormones
(iii) Biosynthesis of cholesterol
(iv) Synthesis of glycogen
(v) Synthesis of proteins

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Q3
Which of the following is /are function (s) of lipochondria?
(I)Chemical modification of lipids and proteins
(II) Detoxification
(III) Formation of acrosome
(IV) Glycogen synthesis & breakdown
View Solution
Q4
Fill in the blanks in the table given below.
Cell organelleFunctionNucleolus(i)____(ii)____ Synthesis and transport of proteins and fat(iii)____Synthesis and secretion of enzymes and hormonesRibosomes(iv)____(v)____ Intracellular digestion
View Solution
Q5
Match the columns:
Column IColumn II
(a)Endoplasmic reticulum(i)Cellular respiration
(b)Free ribosome(ii)Osmoregulation and excretion
(c)Mitochondrion(iii)Synthesis of lipids
(d)Contractile(iv)Synthesis of non secretory proteins

View Solution