Cell Structure

Question 1

Function of ribosome

Answer 1

Site of protein synthesis

Question 2

Function of cytoplasm

Answer 2

Jelly like material where chemical reaction occur

Question 3

Function of nucleus

Answer 3

Contain dna which carries genetic information and control cell activities like protien synthesis and cell division

Question 4

Function of cell membrane

Answer 4

Control movment of substances in and out of cells

Question 5

Function of mitochondria

Answer 5

Site of aerobic respiration
Synthesis of atp

Question 6

Function of rough endoplasmic reticulum

Answer 6

Essential component in synthesis and transport of protein

Question 7

Advantages of stem cell therapy

Answer 7

√used in treatment of type 1 diabetes
√replace cells lost in body
√no rejection if its made from patient’s own cell
√used in treatment of brain disorder like Parkinson’s disease

Question 8

Disadvantage of using adult/embryonic stem cell

Answer 8

√moral and ethical objections against destroying unused ivf embyros
√long term effects are unknown
√adult stem cells can not differentiate to all type of cells
√stem cell extracted from embyros can be rejected by patient’s bodies as they are not their own cells

Question 9

Definition of differentiated cell

Answer 9

Is cell changed in shape or structure or both during development to be adapted to carry out particular function

Question 10

Function of cell wall in plant

Answer 10

It’s made of celluose which is though material that helps plant cell to keep it’s shape

Question 11

Function of chloroplasts

Answer 11

It is site of photosynthesis and they contain chlorophyll pigments that absorb light energy

Question 12

Function of Vacuole

Answer 12

Filled with cell sap which is store off dissolved sugurs mineral ions

Question 13

Levels of organization?

Answer 13

Organelle then cell then tissue then organ then organ system then organism

Question 14

Definition of organelle

Answer 14

Part of cell with specific function

Question 15

Cells

Answer 15

Functional unit of living organisms

Question 16

Tissues

Answer 16

A group cells with similar sturctures working together to perform one specific function

Question 17

Organ definition with example

Answer 17

Group of different tissues working together to perform specific function as liver /kidney

Question 18

Difention of organ system and example

Answer 18

Group of organs with related function work together to perform body functions,reproductive system