Cell - The Unit Of Life

Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells?

• Polysomes

• Golgi bodies

• Endoplasmic reticulum

• Peroxisomes

Which of the following statements is not correct?

• Lysosomes have numerous hydrolytic enzymes

• The hydrolytic enzymes of lysosomes are active under acidic pH

• Lysosomes are membrane bound structures

• Lysosomes are formed by the process of packaging in the endoplasmic reticulum

The Golgi complex participates in

• Respiration in bacteria

• Formation of secretory vesicles

• Fatty acid breakdown

• Activation of amino acid

Nissl bodies are mainly composed of .... ...

• Nucleic acids and SER

• DNA and RNA

• Proteins and lipids

• Free ribosomes and RER

All plastids have similar structure because they can

• Store starch, lipids and proteins

• Get transformed from one type to another

• Perform same function

• Be present together

Which organelle is present only in plants ....

• Glyoxysome

• Lysosome

• Peroxisome

• Ribosome

Folding of inner mitochondrial membrane are called ... .

• Grana

• Thylakoids

• Cristae

• F0 - F1 structures

Centre of phosphorylation is .

• Ribosome

• Mitochondria

• Peroxisome

• Oxisome

Microtubules are made of ...

• Actin

• Keratin

• Tubulin

• Dynenin

Vacuole is covered by a membrane called .

• Plasmalemma

• Cell membrane

• Cell wall

• Tonoplast