lab 2

Question 1

what do onion plants form to endure the winter

Answer 1

bulbs

Question 2

what are scales

Answer 2

modified bulbs consist of small enclosed by overlapping layers of fleshy leafs

Question 3

what do scales do

Answer 3

store food and water

Question 4

what is the cell wall

Answer 4

protects and supports the cell

Question 5

what is the plasma membrane

Answer 5

cell contents are bound by the plasma membrane

Question 6

what is the function of the plasma membrane

Answer 6

regulates the passage of substances in and out of cell

Question 7

is the plasma membrane permeable or selectively permeable

Answer 7

selectively permeable

Question 8

what is the nucleus

Answer 8

controls cell function

Question 9

how does nucleus control cell function

Answer 9

directs protein synthesis and stores genetic material

Question 10

what is the nuclear envelope

Answer 10

a double membrane around nucleus

Question 11

what is the nucleoli

Answer 11

manufactures ribosomal subunits

Question 12

what is the central vacuole

Answer 12

gives support to the plant cell when fully expanded and storage for water, etc

Question 13

what is the cytoplasm

Answer 13

remainder of space not occupied by central vacuole

Question 14

what re cytoplasmic streaming

Answer 14

tiny flowing particles within strands

Question 15

what is the mitochondria

Answer 15

is the site for cellular respiration

Question 16

what is cellular respiration

Answer 16

generate energy rich molecules called atp from sugars and oxygen

Question 17

what are leucoplasts

Answer 17

tiny colourless plastids

Question 18

what are plastids

Answer 18

membrane bound organelles in plant cells

Question 19

what are the three types of plastids

Answer 19

chloroplast, chromoplast, and leucoplast

Question 20

what is chloroplast

Answer 20

site of photosynthesis

Question 21

what is the process of photosynthesis

Answer 21

light energy is used to sunthesize sugars from CO2 and water

Question 22

what is chlorophylls

Answer 22

creates the green pigment

Question 23

where is chlorophylls located

Answer 23

onset of membrane inside chloroplast called thylakoid membrane

Question 24

what is chromoplast

Answer 24

contains pigment called carotenoid

Question 25

what is the purpose of chromoplast

Answer 25

attracts animals for pollination and seed dispersal

Question 26

what is plasmodesmata

Answer 26

it is how plant cell communicate with each other

Question 27

what are leucoplasts

Answer 27

group of non-pigmented plastids

Question 28

what is the function of leucoplasts

Answer 28

storage of starches, proteins, or fats

Question 29

what are anthocyanins

Answer 29

class of blue, purple, and red pigment that occurs in central vacuole

Question 30

what is the function of anthocyanins

Answer 30

dissolve in water and stored within vacuole

Question 31

what is stomata

Answer 31

gas exchange occurs

Question 32

what is the pseudopodia

Answer 32

cellular extension forms as a granular cytoplasm flow forward

Question 33

what is the microfilaments responsible for

Answer 33

pseudopod formation

Question 34

what is phagocytosis

Answer 34

trap small animals and other food particles

Question 35

what is the food vacuole

Answer 35

where food is packaged

Question 36

what is the lysosome

Answer 36

fuses with food vacuole and supply hydrolytic enzymes to digest food

Question 37

what is osmoregulation

Answer 37

maintenance of constant internal solute concentration by an organism

Question 38

what is the cilia and flagella

Answer 38

creates movement in cells

Question 39

what are cilia and flagella made of

Answer 39

microtubules

Question 40

what are cilia and flagella made of

Answer 40

microtubules