Bio practical

Question 1

mitosis

Answer 1

division of nuclear material divided into 4 phase 
prophase
metaphase
anaphase
telophase

Question 2

cytokinesis

Answer 2

division of the cytoplasm and its contents

animal: cleavage furrow
plant: plant cell formation

Question 3

Interphase

Answer 3

G1: period of growth
S: DNA duplicated
G2: growth & check point

Question 4

enzyme

Answer 4

organic catalyst

Question 5

activation energy

Answer 5

energy required for reaction to proceed

Question 6

substrate

Answer 6

reactant (enzyme binds with it)

Question 7

substrate specific

Answer 7

only reacts with compatible molecules

Question 8

Enzyme rennin

Answer 8

body temp is optimal

Question 9

enzyme catalase

Answer 9

ph 7 optimal

Question 10

cellular respiration

Answer 10

c6h1206 (glucose) + 6o2 > 6 co2 + 6h20 + ATP

Question 11

glycolisis

Answer 11

glucose > 2 pyruvate
cytoplasm
2ATP

Question 12

bridge

Answer 12

2 pyruvate > acetyl coA

mitochondrial membrane

Question 13

kreb cycle

Answer 13

acetyl coA + oxaloacetate > citrate

2ATP

Question 14

electron transport chain and oxidative phosphoralation (chemiosmosis)

Answer 14

32-34 ATP

cristae

Question 15

aerobic respiration

Answer 15

with oxygen

Question 16

anaerobic respiration

Answer 16

no oxygen
fermation
1 glucose > 2 pyruvate
2ATP

Question 17

elodea

Answer 17

if photosynthesis occurs indicator turns red, if not occurring indicator is yellow

Question 18

photosynthesis

Answer 18

co2 + h20 > glucose + h20 + o2

Question 19

cuticle

Answer 19

protects against water loss

Question 20

upper epidermis

Answer 20

layer of clear cells

Question 21

palisade mesophyll

Answer 21

packed layer of cells w tons of choloroplast

Question 22

spongy mesophyll

Answer 22

space trap photosynthetic gases

Question 23

lower epidermis

Answer 23

pores on underside of leaf

Question 24

xylem

Answer 24

transports water

Question 25

phloem

Answer 25

transports nutrients and food

Question 26

stomata

Answer 26

pores for gas exchange

Question 27

guard cells

Answer 27

open and close stomata

Question 28

carotene

Answer 28

``` most soluble (farthest from start) least abundant orange ```

Question 29

chlorophyll B

Answer 29

least soluble (closest to start) dark green

Question 30

chlorophyll A

Answer 30

most abundant (thickest) bright green

Question 31

xantophyll

Answer 31

yellow

Question 32

karyotype

Answer 32

paired by size, centriole location, and staining pattern

Question 33

nucleic acid: monomer polymer

Answer 33

nucleotide | polynucleotide

Question 34

restriction endonuclease

Answer 34

recognizes specific DNA base sequences and cuts them out; creates different sized fragments of DNA

Question 35

polymerase chain reaction

Answer 35

increases the amount of DNA