Cell Structure

Question 1

What is protoplasm inside the nucleus called? What is protoplasm outside the nucleus called?

Answer 1

Nucleoplasm, cytoplasm

Question 2

Who proposed cell theory

Answer 2

Matthias Schleiden & Theodor Schwann in 1830

Question 3

What is the cell membrane referred to as? And what is it responsible for?

Answer 3

Fluid mosaic model-> responsible for selective permeability of the membrane

Question 4

What is the main constituent in cytoplasm

Answer 4

Water

Question 5

Are organic moles (C-H bond) dissolved or not in the cytopalsm?

Answer 5

No- they are in a colloidal suspension

Question 6

What are the inner fold of a mitochondria called?

Answer 6

Cristae

Question 7

What are the 3 different functions of a lysosome?

Answer 7

1) help digest food vacuoles
2) help with maintenance and repair of cellular organelles
3) they act as suicide agents in old and weakened cells

Question 8

Who was the first person to obs. A LIVING cell?

Answer 8

Leeuwenhoek

Question 9

What is protoplasm?

Answer 9

The liquid portion in the cell

Question 10

Clumps of atoms distributed throughout a medium is a?

Answer 10

Colloid

Question 11

Where does cellular respiration occur?

Answer 11

In the mitochondria on the cristae

Question 12

Sac-like or channel like cisternae are found in the

Answer 12

ER

Question 13

The concentration of compounds to be secreted is a function of the

Answer 13

Golgi body

Question 14

The substance that gives plants red-orange colour is the

Answer 14

Carotene

Question 15

When do centrioles function?

Answer 15

During cell division

Question 16

Where does the process of photosynthesis occur?

Answer 16

In chloroplasts

Question 17

The nuclear membrane is sometimes referred to as the

Answer 17

Envelope