science 7

Question 1

what is a cell

Answer 1

the smallest unit that ca preform all life proceces

Question 2

cell theory has 3 parts

Answer 2

1. all organisms are made one or more cells
2. the cell is the basic unit of all living things
3. all cells come from existing cells

Question 3

organelles

Answer 3

Structures that perform specific functions within the cell.

Question 4

necleus

Answer 4

1. contains the cells DNA
2. City hall

Question 5

cell membrane

Answer 5

1. The barrier between the inside of a cells environment
2. City limits

Question 6

Cell wall

Answer 6

1. a rigid structure that surrounds the cell membrane and provides support for the cell
2. found in plant cells
3. city wall

Question 7

chloroplasts

Answer 7

1. organelles in plant and algae cells in which photosysynthesis takes place
2. solar energy plant

Question 8

mitochondria

Answer 8

1. the site of cellular resperation
2. allows the cells to use energy
3. power plant

Question 9

ribsome

Answer 9

1.organelles that make proteins, which are building materials for the cell
2. lumber yard

Question 10

Endoplasmic reticulum (ER)

Answer 10

1.allows for the transport of cellular materials
2.roads and highways

Question 11

Golgi complex

Answer 11

1.packages materials to be transported throughout the cell
2.post office

Question 12

Vacuoles

Answer 12

1.stores water in the cell
2. water tower

Question 13

cytoplasm

Answer 13

fluid that the organelles are set in

lawns and parking lots

Question 14

Lysosome

Answer 14

digests waste products in a cell

garbage trucks, recyclers