Sub-cellular Structures in Plant and Animal Cell

Which organelle is known as the powerhouse of the cell?

• Nucleus

• Mitochondria

• Endoplasmic Reticulum

• Golgi Apparatus

Cell membrane controls the _____ of substances into and out of the cell.

• movements

• reaction

• photosynthesis

• protein synthesis

What is the basic structure of a cell?

• cytoplasm

• chloroplast

• nucleus

• large central vacuole

Chloroplast contains _____ which absorbs light energy for photosynthesis.

• DNA

• chlorophyll

• water

• nucleotides

_____ protects and gives shape to cells.

• mitochondria

• nuclear membrane

• cell wall

• nuclear pores

Explain the role of ribosomes in a cell.

• Responsible for producing proteins in the cell

• Located on the endoplasmic reticulum

• Composed of RNA and protein

• Involved in translation of mRNA

What makes smooth ER different from rough ER?

• no ribosomes attached on it

• rod-shaped

• surrounded by a double membrane

• with ribosomes attached on the surface

What are organelles controls activities of the cell?

• cellulose

• mitochondria

• cell wall

• nucleus

Explain the role of chlorophyll in photosynthesis.

• Protects and gives shape to cells

• Contains water-soluble pigments in some plants

• The main site of aerobic respiration

• Absorbs light energy for photosynthesis

What is the function of the cell wall in plant cells?

• provides support to the plant when it is full

• fully permeable to water and dissolved substances

• made up of cellulose

• contains water and dissolved substances