Lecture 14 Flashcards
1
Q
mRNA
A
messenger codes for peptides
2
Q
rRNA
A
— ribosomal structure and function
3
Q
tRNA
A
transfers amino acids to ribosome
4
Q
snRNA
A
— small nuclear (splicing of message)
5
Q
miRNA
A
microRNAs (regulate expression)
6
Q
CRISPR
A
a prokaryotic “immune system”
7
Q
codons
A
nucleotide triplets
8
Q
how many possible codons are there
A
64
9
Q
61 codons specify ____ ____ which includes ____ _____
A
amino acids, start codons
10
Q
3 codons are are ____ _____
A
stop codons
11
Q
T or F: multiple codons can encode the same amino acid
A
t
12
Q
T or F: genetic code varies between species
A
F: genetic code is universal across species
