Chapter 7: The Basis of Life

Question 1

Who discovered the theory of Spontaneous Generation?

Answer 1

Aristole

Question 2

What is Spontaneous Generation?

Answer 2

Abiogenesis : life could arise from non-living matter

Question 3

what did francesco redi do?

Answer 3

he was the first person to test aristole’s theory, with maggots and raw meat

Question 4

what did louis pasteur discover?

Answer 4

that “active principles” were organisms in the air, due to the swan flask broth experiment.

Question 5

what did pasteur’s experiment discover?

Answer 5

discovered biogenesis, due to bacteria in the broth

Question 6

cell theory

Answer 6

• all organisms are composed of one or more cells
• the cell is the smallest functional unit of life
• all cells are produced from other cells

Question 7

what did ruldolf virchow predict?

Answer 7

predicted biogenesis, yet did not prove it

Question 8

low objective lens

Answer 8

4x

Question 9

medium objective lens

Answer 9

10x

Question 10

high objective lens

Answer 10

40x

Question 11

cell membrane

Answer 11

protective barrier around cell, allows for transport

Question 12

cell wall

Answer 12

rigid and supportive giving cell shape, contains cellulose

Question 13

centriole

Answer 13

located outside nucleus, for cell division

Question 14

chloroplast

Answer 14

contains chlorophyll, photosynthesis

Question 15

cytoplasm

Answer 15

fluid in cell that keeps other cells in place

Question 16

gogi apparatus

Answer 16

receives packages, sorts, repackages and distriubtes to cells

Question 17

lysosome

Answer 17

contains disgestive enzymes that breaks down particles, also gets rid of dead or bad cells

Question 18

mitochondrion

Answer 18

converts sugar into energy

Question 19

nucleus

Answer 19

contains genetic materials, directs cell activity

Question 20

ribosomes

Answer 20

has amino acids that assembles into proteins

Question 21

rough endoplasmic reticulum

Answer 21

produces protein packages and transports to parts of cell

Question 22

smooth endoplasmic reticulum

Answer 22

produces fat and oil (lipids) packages and transports to parts of cell

Question 23

vesicle

Answer 23

stores and transports materials in and out of cell

Question 24

vacuole

Answer 24

storage for water, nutrients and wase

Question 25

which cell parts are only found in plant cells?

Answer 25

• cell walls
• chloroplast

Question 26

which cell parts are only found in animal cells?

Answer 26

• centriole
• lysosome