chapter 3

Question 1

what cells have mroe mitochondira

Answer 1

cells that are very active like muscle cells

Question 2

lysosomes

Answer 2

cleans up and digests materials with lysosymes

Question 3

peroxosome

Answer 3

has peroxidee and breaks down things but more of an immune funciton

Question 4

nucelolus

Answer 4

produces ribosomal RNA

Question 5

centroles

Answer 5

transport and give structure

Question 6

golgi aparatus

Answer 6

packaging and shipping

Question 7

vesicles

Answer 7

packages

Question 8

word glyco means

Answer 8

carb

Question 9

glycoprotein and glycolipid are used for

Answer 9

identificaiton

Question 10

integral proteins

Answer 10

goes through cell

Question 11

*** membrane proteins functions 5

Answer 11

structural support
transport
enzynatic control of cell processes
receptors for hormones and other molecules
self markers for immune system

Question 12

what does phagocytosis use to digest

Answer 12

often uses lysosome

Question 13

endocytosis

Answer 13

into cell. it is an active process

uses vesicle

Question 14

what does exocytosis

Answer 14

golgi aparatus

Question 15

microvili

Answer 15

is in digestive system. usually columnar

Question 16

cytoskeleton is composed of

Answer 16

various types of proteins.

Question 17

peroxisomes

Answer 17

has oxidative enzymes. most prevalnt in liver. also contains catalase.

Question 18

mitochodnrai two membranes

Answer 18

inside nner is the matrix.

Question 19

cisternae

Answer 19

of golgi complex. they are stacks of hollwo faltttened sacs cavities.

Question 20

chromatin is what

Answer 20

material in nuecleus

Question 21

methylation

Answer 21

a way of altering the genes from epingenetics

Question 22

phosphorylation

Answer 22

big way of altering the gene. from epigenetics

Question 23

exons stay in dna introns get what

Answer 23

cut out

Question 24

chromatin is what

Answer 24

what chromsome are made up of. bound beind nucelsomes

Question 25

inducible promtoers are what

Answer 25

they get turned on.

Question 26

mRNa synthesis and splicing

Answer 26

dna strand gets made a complement strand . called transcrition. turned into RNA.

Question 27

post transcriptional modification

Answer 27

cutting out introns and exons spliced together.

Question 28

translation

Answer 28

complement to mRNA called tRNA. tRNA made of anticodons for codons.

Question 29

we onl need how many aminos

Answer 29

8 or 9

Question 30

s phase of pmat goes between what

Answer 30

2 g phases for replication of genetic material.

Question 31

mitosis vs myosis

Answer 31

mysosis is sexual replication of cells

Question 32

helicase does what

Answer 32

unwinds DNA

Question 33

dna Polymerase

Answer 33

replicates new mRNA copy

Question 34

ligase does what

Answer 34

seal segements of DNA especially on lagging. they are called okazaki.

Question 35

cell death happens patholgocially by what

Answer 35

necrosis

Question 36

cell death naturally happens by what

Answer 36

apoptosis

Question 37

22 pairs of chromsomes are called what

Answer 37

autosomes

Question 38

last pair of 23 is called what

Answer 38

sex chromosome

Question 39

crosssing over

Answer 39

exchanging homogolous parts of chromosomes. what can causes changes in siblings etc

Question 40

posttranslational modificatiions of histone proteins

Answer 40

know this?