ch 3 quiz #2

Question 1

mitochondria vs. chloroplasts

Answer 1

mitochondria
-in plants and animals
-have double membrane
-convert stored chemical energy into ATP
-has a matrix on the inside with folds called cristae

Chloroplasts
-harness the sun’s energy
-double membrane
-only in plants
-has stacks of chloryphil in a fluid (strama)

Question 2

Genetic expression includes

Answer 2

nucleus- organelle thats holds DNA
nucleolus- site of ribosome assembly
ribosomes- site of protein synthesis, occurs in cytoplasm

Question 3

central vacuole

Answer 3

-only in plant cells
-provide structure and rigidity to plants cell
-hold water

Question 4

ribosomes

Answer 4

-made of RNA and proteins
-have no membrane
-site of protein synthesis, occurs in cytoplasm

Question 5

secretory vesicles

Answer 5

takes finishes protein from golgi apparatus to where it needs to go

Question 6

golgi apparatus

Answer 6

-stack of seperate membrane compartments
-modifies packages and transports proteins where they need to go

Question 7

lysosome

Answer 7

holds digestive enzymes
has a membrane