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Worksheets11/1 BIOL 111 SI Dr. Tag
Total questions: 16
Worksheet time: 13mins
If you have 450 base pairs, how many codons do you have?
(a)
What is the start codon?
(a)
In RNA, what does uracil substitute for?
Adedine
Thymine
Cytosine
Guanine
(a) signals the initiation of RNA synthesis
What is NOT a stop codon?
UGG
UAA
UGA
UAG
In pre-mRNA modification, what is NOT occurring?
5' end recieves a methylguanosine cap
3' end receives a poly a tail
exons are removed
introns are removed
What is true about ribozymes?
They are enzymes
contain many functional groups
they are catalytic RNA molecules
they are catalytic DNA molecules
What enzyme joins each amino acid to the correct tRNA?
(a)
What organelle helps facilitate the specific coupling of tRNA anticodons with mRNA codons during protein synthesis?
smooth ER
golgi apparatus
nucleus
ribosomes
Respectfully, a ribosome has 1 mRNA binding site and (a) tRNA binding sites
Where is the tRNA that is carrying the next amino acid to be added to the growing polypeptide chain?
A site
P site
E site
all sites have this
Introns allow for alternative ___ ________
(a)
Where does post-transcriptional processing take place?
(a)
True or false: the genetic code is universal
True
False
What enzyme catalyzes RNA synthesis
(a)
Based off this template strand 3' ATTGCGGT 5' what is the RNA that is synthesized? (answer in format 5' (a) 3')
