Chapter 10

Question 1

What does lac operon allow?

Answer 1

Allows E. coli to metabolize lactose

Question 2

Transcription factor that increase the rate of transcription

Answer 2

activator

Question 3

Mutated BRCA found in

Answer 3

breast ovarian cancer cells

Question 4

micro rna comp to

Answer 4

part of mRNA

Question 5

Operon

Answer 5

group of genes with a promoter-operator DNA sequence that controls their transcription

Question 6

Homeodomian:

Answer 6

Region 60 aa bind to promoter or other nucleotide sequence

Question 7

-COCH3

Answer 7

acetyl

Question 8

Operator is a binding site in DNA for a ____

Answer 8

repressor

Question 9

Repressor is a ___ factor

Answer 9

transcription

Question 10

Aniridia

Answer 10

eye disorder

Question 11

Eye gene

Answer 11

PAX6

Question 12

cut up

Answer 12

RNA interference

Question 13

Transcription factor

Answer 13

protein that influences transcription by binding directly to DNA

Question 14

Transcription factor 2 types

Answer 14

activator
repressor

insulator

Question 15

CH3

Answer 15

methyl

Question 16

protein not function til changed

Answer 16

glycoprotein

Question 17

Zip code located

Answer 17

before Plly a tail

Question 18

Cytoplasm is ___ enviro for mRNA

Answer 18

hostile

Question 19

cell uses ___ percent of genes

Answer 19

10

Question 20

___ bind directly to DNA

Answer 20

transcription factors

Question 21

What do repressors bind to?

Answer 21

Promoters
Silencers
Operators

Question 22

activator b____

Answer 22

recruit RNA polymerase to prmoter or enhancer

Question 23

only accessible to rna polymerase if

Answer 23

unwound from histones

Question 24

delay to post transcription modification

Answer 24

prevent guanine cap

Question 25

Alternative splicing category

Answer 25

II

Question 26

fibronectin is in

Answer 26

liver

Question 27

fibronectin is

Answer 27

soluble

Question 28

mRNA localization

Answer 28

deliver mRNA to specific region, zip code

Question 29

mRNA localizatoin category

Answer 29

II

Question 30

What does insulation do

Answer 30

overrides a silencer and enhancer

Question 31

Cap on zip code category

Answer 31

III

Question 32

what does zip code cap do

Answer 32

degrades mRNA

Question 33

micrornas category

Answer 33

III

Question 34

In prokaryotes how if translation shut off

Answer 34

antisense rna

Question 35

What forms glycoprotein

Answer 35

lipidation

Question 36

master genes have

Answer 36

longer transcript, poly A tail,

Question 37

where does gene expression start

Answer 37

unfertilized egg

Question 38

where is protein gradient

Answer 38

Once egg is fertilized, mRNAs are translated making gradient in embryo

Question 39

What determines which master genes

Answer 39

portions of nucleus exposed to gradients

Question 40

how do homeotic genes encode transcription factors

Answer 40

homeodomain

Question 41

Barr bodies are

Answer 41

condensed

Question 42

How many genes on X

Answer 42

1336

Question 43

how many genes on y

Answer 43

307

Question 44

what are responsible for hormones

Answer 44

gonads

Question 45

Flower order

Answer 45

sepal petal stamen carpel

Question 46

what is carpel

Answer 46

female repdocudctive

Question 47

do pros have master genes

Answer 47

no

Question 48

Sepal is inner/outer

Answer 48

outer n

Question 49

if no lactose, passes into

Answer 49

LI

Question 50

lactose made of

Answer 50

glucose-galactose

Question 51

3 genes?

Answer 51

move lactose in break it down unknown

Question 52

Once a dna nucleotide is methyalated

Answer 52

remains methylated in cell | s descendants

Question 53

3 genes are silenced

Answer 53

repressor binds to operator making loo[

Question 54

What do BRAC1 and BRAC2 control

Answer 54

chromosomes in dividing cells | help repair dna

Question 55

why

Answer 55

XISt rna doesn't coat X chromosome in cancer cell

Question 56

BRCA1 gene's protein product

Answer 56

associates with XIST rna gene