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Biology > Cells > Flashcards

Cells Flashcards

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1
Q

Where does chemical reaction take place?

A

Cytoplasm

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2
Q

What is the function of Rigid Cell wall?

A

It supports the cell and strengthens it.

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3
Q

What is the function of the Nucleus?

A

Contains genetic material that controls the activities of the cell.

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4
Q

What are Chloroplasts?

A

Chloroplasts are organelles and photosynthesis takes place in there.

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5
Q

What are Cells?

A

Building block for all living things.

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6
Q

What is mitochondria?

A

mitochondria is where aerobic respiration takes place.

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7
Q

What are Cell Walls?

A

Cells walls are only in plant cell and made of cellulose and supports the cell.

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8
Q

What is cytoplasm?

A

Cytoplasm is where a cells chemical reaction takes place.

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9
Q

What is a Ribosome?

A

Where protein synthesis takes place.

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10
Q

What is a permanent vacuole?

A

Only in plant cells; contains cell sap.

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11
Q

What are Eukaryotic?

A

A cell that has its DNA in a nucleus.

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12
Q

What are Prokaryotic?

A

A cell without a nucleus.

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13
Q

What is Plasmid?

A

Small loop of DNA (only in prokaryotic cells like bacteria)

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14
Q

What is the function of photosynthesis?

A

to convert solar energy into chemical energy and then store that chemical energy for future use.

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15
Q

Meaning of cell differentiation?

A

The process by which a stem cell becomes specialised.

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16
Q

Equation for magnification

A

Magnification= Image size
divide
Actual size

17
Q

Function of mitosis

A

For growth and to replace worn out cells.

18
Q

What is mitosis?

A

Mitosis is a process where a single cell divides into two identical daughter cells.

19
Q

Definition of nerve cells.

A

A type of cell that receives and sends messages from the body to the brain and back to the body.

20
Q

What are stem cells?

A

Stem cells are an undifferentiated cell that has the ability to differentiate into a specialised cell.

21
Q

What is the Meristem?

A

Meristem is the part of the plant that contains stem cells.

22
Q

Diffusion

A

The movement of particles from area of high concentration to low concentration.

23
Q

Osmosis definition

A

The movement of water molecules across a partially permeable membrane, from a dilute to a more concentrated solution.

Biology (9 decks)

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