Definitions

Question 1

The Cell Theory

Answer 1

Living organisms are composed of cells.
Cells are the smallest units of life.
Cells come from pre-existing cells.

Question 2

All Functions of Life (6)

Answer 2

Metabolism: respiration and excretion.
Response:  sensitivity. 
Growth: in cell size and number
Reproduction: whether sexual or asexual 
Homeostasis: stable condition in body
Nutrition: food

Question 3

Cell wall

Answer 3

Protects the cell from outside and bursting.

Question 4

Plasma membrane

Answer 4

Controls which material enters and leave the cell by active or passive transport. Selectively permeable.

Question 5

Cytoplasm

Answer 5

Water fluid containing enzymes which controls metabolic reactions in cell.

Question 6

Pili

Answer 6

Thin protein tubes. Found outside the plasma membrane.

Question 7

Flagella

Answer 7

Long thread-like structure, made of protein. Helps with movement for bacteria.

Question 8

Ribosome

Answer 8

Produces proteins

Question 9

Nucleoid region

Answer 9

Contains DNA, genetic material.

Question 10

Rough endoplasmic reticulum RER

Answer 10

Modifies the transport of proteins.

Question 11

Lysosome

Answer 11

A organelle containing enzymes, digest particles.

Question 12

Golgi apparatus

Answer 12

An organelle which package proteins before being sent to its final destination.

Question 13

Mitochondrion

Answer 13

Responsible for aerobic respiration. Converts chemical energy into active transport by using oxygen.

Question 14

Nucleus

Answer 14

Contains chromosomes and is the controlling part of the cell.

Question 15

Smooth endoplasmic reticulum

Answer 15

In cytoplasm, transports proteins.

Question 16

Pinocytotic vesicle

Answer 16

A mechanism by which cells ingest extra cellular fluid and its content, helps the cell membrane form vacuoles.

Question 17

Nuclear Envelope

Answer 17

A double-layered membrane enclosing the nucleus of a eukaryotic cell. Allow passagr in and out of materials to nucleus.

Question 18

Nuclear pore

Answer 18

An octagonal opening where the inner and outer membrane of the nuclear are continous.

Question 19

Chromatin

Answer 19

The substance of chromosomes

Question 20

Vesicle

Answer 20

A small bladderlike cell.

Question 21

Microvillus

Answer 21

Any of the minute hairlike structures projecting from the surface of certain types of epithelial cells, especially those of the small intestine.