Adjacent cells are interconnected by
Options
(a) desmosomes (b) vacuoles (c) mitochondria (d) E.R
Correct Answer:
desmosomes
Explanation:
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An elaborate network of filamentous proteinaceous structures present in the cytoplasm which helps in the maintenance of cell shape is called
Options
(a) thylakoid (b) endoplasmic reticulum (c) plasmalemma (d) cytoskeleton
Correct Answer: […]
Plasmodesmata are:
Options
(a) locomotary structures (b) membranes connecting the nucleus with plasmalemma (c) connections between adjacent cells (d) lignified cemented layers between cells
Correct Answer:
connections between adjacent cells
Explanation:
Plasmodesmata are connections […]
Vacuole in a plant cell
Options
(a) is membrane-bound and contains storage proteins and lipids (b) is membrane-bound and contains water and excretory substances (c) lacks membrane and contains air (d) lacks membrane and […]
What is true about ribosomes
Options
(a) The prokaryotic ribosomes are 80S, where “S” stands for sedimentation coefficient (b) These are composed of ribonucleic acid and proteins (c) These are found only in eukaryotic […]
The term ‘glycocalyx’ is used for
Options
(a) A layer surrounding the cell wall of bacteria (b) A layer present between cell wall and membrane of bacteria (c) Cell wall of bacteria (d) Bacterial […]
The Golgicomplex plays a major role
Options
(a) in digesting proteins and carbohydrates (b) as energy transferring organelles (c) in post translational modificationof proteins and glycosidation of lipids (d) in trapping the light and […]
The plasma membrane consists mainly of:
Options
(a) phospholipids embedded in a protein bilayer (b) proteins embedded in a phospholipid bilayer (c) proteins embedded in a polymer of glucose molecules (d) proteins embedded in […]
Why is a capsule advantageous to a bacterium?
Options
(a) It allows the bacterium to attach to the surface (b) It protects the bacterium from desiccation (c) It provides means of locomotion (d) It […]
Stroma in the chloroplasts of higher plant contains:
Options
(a) light-dependent reaction enzymes (b) ribosomes (c) chlorophyll (d) light-independent reaction enzymes
Correct Answer:
light-independent reaction enzymes
Explanation:
Stroma in the chloroplasts of higher plant […]
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