Genes Having Two Kind Of Parts

Question 1

1. The parts of the gene that determine when and where the gene is made into protein. Or in other words..

Answer 1

When the gene is expressed, or, in other words, when the gene is turned on and made into mRNA and then protein

Question 2

2. The parts of the gene that determine what the protein looks like. Or in other words

Answer 2

The parts of the gene that tell you the proteins amino acid sequence

Question 3

1. The part of the gene that determines when and where the gene is made into protein

Answer 3

Promoter
Silencer and enhancer
Untranslated regions
Sometimes introns

Question 4

2. The part of the gene that determines what the protein looks like

Answer 4

•exons

• the Exons include the start and stop codons
• another terms you should know: the open reading frame is the section of the gene that is in-between the start and the stop codon

Question 5

The promoter is made up of

Answer 5

DNA

Question 6

The promoter is typically _____ - ____ __

Answer 6

short - 1000 bp

Question 7

Every gene has 1 ________

Answer 7

promoter

Question 8

The promoter is typically very close to the _____ of the _____ ____.

Answer 8

start, first exon

Question 9

The promoter binds a protein called _________

Answer 9

RNA Polymerase

Question 10

When ___ __________ binds to the promoter, _________ starts

Answer 10

RNA Polymerase, transcription

Question 11

____________ are parts of the gene that determine when and where the gene is expressed

Answer 11

promoter; enhacers and silencers; untranslated regions; introns

Question 12

depending on if the enhancers and silencers are bound, the ________________________________

Answer 12

gene will either be on or off

Question 13

enhancers are stretches of DNA that bind proteins called ________

Answer 13

Activators

Question 14

silencers are stretches of DNA that bind proteins called ________

Answer 14

repressors

Question 15

Each gene has two untranslated regions

Answer 15

The 5’ is at the start of the gene

The 3’ is at the end of the gene

Question 16

The untranslated regions are …..

Answer 16

• on either end of the opening frame
• thought to regulate when and where the gene is turned on
• transcribed but not translated

Question 17

some genes have ___ introns. while others have ____

Answer 17

No introns; 100’s

Question 18

introns are _________ but not _______

Answer 18

transcribed; but not translated

Question 19

exons are part of the gene that codes for

Answer 19

proteins

Question 20

genes can be made up of ___ exons or ____ exons

Answer 20

1 or 100’s

Question 21

Start codon is where translation starts

Answer 21

It is ATG (DNA) or AUG (RNA)
• It is the first codon on the first exon
• Start codons are transcribed and translated

Question 22

Stop codon is where translation stops

Answer 22

• It is either TAA, TAG, and TGA (DNA) or UAA, UAG, and UGA (RNA)
• It is the last codon on the last exon
• Stop codons are transcribed but NOT translated

Question 23

The open reading frame is all the DNA between the start and stop
codon

Answer 23

It is where translation can occur