BIOL1201 LiCata - Exam 4
Study online at https://quizlet.com/_al6u8t
1. Which of the following could make a new (i.e. e. all of the above
newly evolved) protein?
a. alternative mRNA splicing
b. point mutation
c. crossing over during meiosis
d. exon shuffling
e. all of the above
2. What is p53? a protein that normally stops cell
growth, unless it gets damaged
3. Which of the following only takes place in eu- d. RNA splicing
karyotes?
a. binding of mRNA to the small ribosomal
subunit
b. tRNA charging
c. transcription bubble formation
d. RNA splicing
e. translation
4. Ribosomes have 1) an "exit tunnel" and 2) an a.
"exit site". What exits out of each?
a. 1) the growing polypeptide; 2) the used tR-
NAs
b. 1) the used tRNAs; 2) the growing polypep-
tide
c. 1) the translated mRNA; 2) the GDP + Pi after
hydrolysis
d. 1) the growing polypeptide; 2) the translat-
ed mRNA
e. 1) the mRNA; 2) the release factor
, BIOL1201 LiCata - Exam 4
Study online at https://quizlet.com/_al6u8t
5. The trp (tryptophan) operon is: b. usually on, but is shut off when trp is
a. usually off, but is turned on when trp is around
around
b. usually on, but is shut off when trp is
around
c. usually on, but turned off when trp binds to
the DNA
d. all of the answers are correct
e. usually off, but turned on when trp repres-
sor binds
6. Where does RNA polymerase bind to the DNA a. the promoter
at the beginning of transcription?
a. the promoter
b. the P site
c. the small subunit
d. the telomere
e. the transcription bubble
7. When writing out DNA or RNA sequences, bi- c. 5'-GUA-3'
ologists almost always write sequences from
5' to 3'. In a piece of DNA a triplet reads
5'-TAC- 3'. What does the mRNA made from
this triplet read?
a. 5'-AUG-3'
b. 5'-GTA-3'
c. 5'-GUA-3'
d. 5'-ATG-3'
e. none of the answers is correct
8. All of the following interact with RNA, AND c. RNA polymerase
most of them also contain (are made of) a
, BIOL1201 LiCata - Exam 4
Study online at https://quizlet.com/_al6u8t
combination of RNA and protein. Which one is
100% protein and does NOT have RNA inside
it?
a. spiceosome
b. large ribosomal subunit
c. RNA polymerase
d. small ribosomal subunit
e. snRNP
9. Which of the following is NOT a way that gene a. ribosome degradation
expression is regulated?
a. ribosome degradation
b. mRNA splicing
c. mRNA degradation
d. binding of transcription factors
e. chromatin methylation
10. acetylation: idk figure it out. not d
a. turns off mRNAs for translation
b. all of the above
c. identifies introns in mRNAs for processing
d. targets proteins for destruction
e. turns on chromatin for transcription
11. which is NOT true? b. more genes = more complex or
evolved organism
a. Eukaryotes have more genes than prokary-
otes
b. More genes = more complex or evolved
organism
c. Most of the DNA in the human genome
does not produce (code for) proteins
Study online at https://quizlet.com/_al6u8t
1. Which of the following could make a new (i.e. e. all of the above
newly evolved) protein?
a. alternative mRNA splicing
b. point mutation
c. crossing over during meiosis
d. exon shuffling
e. all of the above
2. What is p53? a protein that normally stops cell
growth, unless it gets damaged
3. Which of the following only takes place in eu- d. RNA splicing
karyotes?
a. binding of mRNA to the small ribosomal
subunit
b. tRNA charging
c. transcription bubble formation
d. RNA splicing
e. translation
4. Ribosomes have 1) an "exit tunnel" and 2) an a.
"exit site". What exits out of each?
a. 1) the growing polypeptide; 2) the used tR-
NAs
b. 1) the used tRNAs; 2) the growing polypep-
tide
c. 1) the translated mRNA; 2) the GDP + Pi after
hydrolysis
d. 1) the growing polypeptide; 2) the translat-
ed mRNA
e. 1) the mRNA; 2) the release factor
, BIOL1201 LiCata - Exam 4
Study online at https://quizlet.com/_al6u8t
5. The trp (tryptophan) operon is: b. usually on, but is shut off when trp is
a. usually off, but is turned on when trp is around
around
b. usually on, but is shut off when trp is
around
c. usually on, but turned off when trp binds to
the DNA
d. all of the answers are correct
e. usually off, but turned on when trp repres-
sor binds
6. Where does RNA polymerase bind to the DNA a. the promoter
at the beginning of transcription?
a. the promoter
b. the P site
c. the small subunit
d. the telomere
e. the transcription bubble
7. When writing out DNA or RNA sequences, bi- c. 5'-GUA-3'
ologists almost always write sequences from
5' to 3'. In a piece of DNA a triplet reads
5'-TAC- 3'. What does the mRNA made from
this triplet read?
a. 5'-AUG-3'
b. 5'-GTA-3'
c. 5'-GUA-3'
d. 5'-ATG-3'
e. none of the answers is correct
8. All of the following interact with RNA, AND c. RNA polymerase
most of them also contain (are made of) a
, BIOL1201 LiCata - Exam 4
Study online at https://quizlet.com/_al6u8t
combination of RNA and protein. Which one is
100% protein and does NOT have RNA inside
it?
a. spiceosome
b. large ribosomal subunit
c. RNA polymerase
d. small ribosomal subunit
e. snRNP
9. Which of the following is NOT a way that gene a. ribosome degradation
expression is regulated?
a. ribosome degradation
b. mRNA splicing
c. mRNA degradation
d. binding of transcription factors
e. chromatin methylation
10. acetylation: idk figure it out. not d
a. turns off mRNAs for translation
b. all of the above
c. identifies introns in mRNAs for processing
d. targets proteins for destruction
e. turns on chromatin for transcription
11. which is NOT true? b. more genes = more complex or
evolved organism
a. Eukaryotes have more genes than prokary-
otes
b. More genes = more complex or evolved
organism
c. Most of the DNA in the human genome
does not produce (code for) proteins
