ch 3 quiz #1

Question 1

cell theory

Answer 1

1. all living things are made of cells
2. cell is the fundamental unit of structure and function for living things
3. cells arise from pre-existing cells
4. energy flow occurs in cells
5. hereditary information is passed from cell to cell
6. all cells have the same basic chemical composition

Question 2

main differances between prokaryote cells and eukaryote cells

Answer 2

prokaryote
-no nucleus
-no seperate membrane bound organelles

eukaryote
-DNA is in nucleus
-membrane bound organelles

Question 3

4 things cells have in common

Answer 3

1. contain DNA with hereditary information
2. enclosed by a plasma or cell membrane (semi permeable barrier)
3. contain a fluid called cytosal in cytoplasm
4. have ribosomes that make proteins

Question 4

what did dutrochet and dumortier discover

Answer 4

they discovered that cells make up plants, and that cells come from existing cells

Question 5

what did schleiden and schwann discover

Answer 5

they discovered that all living things are made of cells, they stated this after dutrochet and dumortier stated almost the same thing, but they got more credit