science- CELLS & CHEM OF LIFE STUDY ?s

Question 1

what is the cell theory

Answer 1

1. all organisms are made of 1 or more cells

2. all cells came from other cells

Question 2

example of diffusion in our body

Answer 2

when human lungs exchange carbon dioxide for oxygen in the blood vessels (respiration)

Question 3

example of osmosis in our body

Answer 3

kidneys use osmosis to regulate the amount of water lost from the body

Question 4

example of active transport in our body

Answer 4

during digestion of the food in the small intestine

Question 5

2 examples of how protists are classified

Answer 5

1. how they acquire energy

2. how they move

Question 6

example of sacrodine

Answer 6

amoeba

Question 7

example of flagellagte

Answer 7

giardia

Question 8

example of cilate

Answer 8

paramecium

Question 9

difference between prokaryotes and eukaryotes give examples of each

Answer 9

prokaryotes dont have a nucleus and eukaryotes do

prokaryotes: bacteria
eukaryotes: plant cell

Question 10

explain cellular respiration (products and reactants)

Answer 10

C6H12O6 + 6 O2 ——- > 6 CO2 + 6 H2O + energy

Reactants; glucose, , oxygen
Products; carbon dioxide, water, ATP

Question 11

explain photosynthesis (products and reactants)

Answer 11

6 CO2 + 6 H2O —— > C6H12O6 + 6 O2

reactants; carbon dioxide, water
products; glucose, oxygen

Question 12

how are plant and animal cells different

Answer 12

plant cells have a cell wall & animal cells dont

plant cells have chloroplasts & animal cells dont

Question 13

levels of organization

Answer 13

atom, molecule, organelle, cell, tissue, organ, organism