Cell Biology - Study Mode

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[#281] In the Golgi complex the proteins are concentrated and transformed into

(A) Zymogen granules

(B) Mucigen granules

(C) Secretory granules

(D) Secretory vesicles

Correct Answer

(A) Zymogen granules

[#282] On the inner side of the nuclear envelope of many cell types is present fibrous material which has been called the

(A) Fibrous lamina

(B) Middle lamella

(C) Epiblema

(D) Fibrous lamella

Correct Answer

(A) Fibrous lamina

[#283] Consider the following statements and choose the correct answer: 1. Endoplasmic reticulum synthesises secretory materials and membrane constituents 2. The lumen of ER cisternae and tubules and Golgi cisternae communicate with each other forming passage for transport of secretory proteins, lipids and sterols 3. Secretion is the main function of the Golgi complex 4. The Golgi complex participates in recycling of plasma membrane

(A) Only 1, 2 and 3 are correct

(B) Only 1, 3 and 4 are correct

(C) Only 2, 3 and 4 are correct

(D) 1, 2, 3 and 4 are correct

Correct Answer

(C) Only 2, 3 and 4 are correct

[#284] Which thin flexible barrier separates the internal environment of the cell from the extracellular fluid?

(A) Cytoplasmic membrane

(B) Restriction barrier

(C) Nuclear envelope

(D) Plasma membrane

Correct Answer

(D) Plasma membrane

[#285] Match List-I with List-II and select the correct answer: List-I List-II a. The unit membrane model 1. Kavanau b. The mosaic membrane model 2. Robertson c. The fluid-mosaic model 3. Singer and Nicholson d. The lipid pillar model 4. Baum

(A) a-1, b-2, c-3, d-4

(B) a-2, b-3, c-1, d-4

(C) a-2, b-4, c-3, d-1

(D) a-4, b-2, c-3, d-1

Correct Answer

(C) a-2, b-4, c-3, d-1