Lab 13 - Plant Cells

Question 1

Specialized organelles of plant cells

Answer 1

cell wall, plastid with starch, vacuole, plasmodesmata, chloroplasts

Question 2

Starch granules

Answer 2

starch production and storage
stored in amyloplasts

Question 3

Raphides

Answer 3

need shaped calcium oxalate defense crystal
defense

Question 4

Druse

Answer 4

cluser of CaC2O4 crystals
defense

Question 5

What are the three plant cell types?

Answer 5

parenchyma, collenchyma, and sclerenchyma

Question 6

Simple vs. complex tissues

Answer 6

Simple: composed of one cell types
complex: composed of a mixture of cell types

Question 7

What tissue types make up ploem?

Answer 7

parenchyma and sclerenchyma

Question 8

Parenchyma

Answer 8

thin cell walls and large central vacuoles
site for metabolism and photosynthesis
storage

Question 9

Collenchyma

Answer 9

supportive, cell walls have thick corners
flexible support

Question 10

Sclerenchyma

Answer 10

thick lignin impregnated secondary walls found in leaves, stems, hard coverings of seed fruits and nuts

Question 11

haploid

Answer 11

1 set of chromosomes

Question 12

diploid

Answer 12

2 sets of chromosomes

Question 13

zygote

Answer 13

first diploid cell produced by fertilization

Question 14

fertilization

Answer 14

fusion of gametes to form a zygote

Question 15

Gametophyte

Answer 15

gamete producing generation (N)

Question 16

Sporophyte

Answer 16

pore producing generation (2N)

Question 17

Antheridium

Answer 17

1N structure producing male gametes

Question 18

Archegonium

Answer 18

1N structure producing female gametes

Question 19

Mitosis vs. meiosis

Answer 19

Mitosis: division producing identical daughter cells
Meiosis: division of diploid cells producing haploid cells

Question 20

Gametes

Answer 20

sperm and egg

Question 21

What is alternating in the alternation of generations?

Answer 21

ploidy level