chapter 13 test Flashcards
1
Q
uracil
A
used instead of thymine
2
Q
ribose
A
used instead of deoxyribose
3
Q
mRNA
A
messenger/ instructions to build protein
4
Q
rRNA
A
ribosomal/ what ribosomes are made of
5
Q
tRNA
A
transfer / transfers amino acids
6
Q
mutations
A
change in the code
7
Q
what if mutations are neutral
A
don’t help or harm
8
Q
positive mutations
A
makes proteins for beneficial uses
9
Q
negative mutations
A
causes diseases or physical appearances
10
Q
mutagen
A
environmental agents that cause mutations
11
Q
codons
A
3 bases that make a code for RNA
12
Q
eukaryotic protein synthesis
A
makes protein
13
Q
transcription in the nucleus
A
makes mRNA
14
Q
translation in cytoplasm
A
ribosome attaches to an mRNA molecule
15
Q
gene
A
contains instructions to make proteins
