Which of the following statement is not true?

(A)Plasma membrane is selectively permeable

(B)Polar molecules cannot pass through the polar lipid bilayer

(C)Neutral molecules pass the membranes through diffusion

(D)Active transport is exhibited with the expenditure of ATP

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Which of the following is the part of the Endomembrane system

(A)Endoplasmic reticulum, golgi complex, lysosomes and vacuoles

(B)Golgi complex and ER only

(C) Endoplasmic reticulum, golgi complex, and vacuoles

(D) Nucleus, Endoplasmic reticulum, golgi complex, and vacuoles

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How many of the following are not the part of Endomembrane System

Endoplasmic reticulum, golgi complex, lysosomes and vacuoles, mitochondria, chloroplast, Nucleus, Peroxisomes

 

(A)5

(B)6

(C)4

(D)3

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Endomembrane system is formed because of the

(A) coordinated functions of the membranous organelles

(B) coordinated functions of the membraneless organelles

(C) coordinated functions of all cell organelles

(D)All of these

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Which of the following is true for lysosomes

(A)membrane bound vesicles

(B)formed by golgibody

(C)rich in hydrolytic enzymes

(D)All of the above

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Hydolytic enzymes comprises of which of the following

(A)lipases

(B)proteases

(C)carbohydrases

(D)All of these

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Hydrolytic enzymes are active at

(A)acidic pH

(B)basic pH

(C)Neutral pH

(D)Both A and B

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How many of the following biomolecules can be digested by lysosomes?

(Carbohydrates, proteins, lipids, nucleic acids)

(A)4

(B)3

(C)2

(D)1

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Which of the following is not true about cell wall

(A)protects cell from mechanical damage

(B)permeable to water

(C)It’s a living structure

(D)absent in animals

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Galactans and mannans are the important component of cell wall of

(A)Plant

(B)Algae

(C)Fungi

(D)Bacteria

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