A part of an mRNA has the sequence AAA. Use the table below to figure out
which amino acid is coded for by AAA, then use the table to figure out which
change to this sequence would indicate a silent mutation.
Messenger
RNA Codons
UUA)
eu/UCA
AN
Second base in codon
U
UUU! BIJUCUJUAUUGU
UUC) Pne UCC UAC) Y JUGC) Cys
Ser
UAA Stop
UUG JUCG
UAG Stop UGO
CCU
CAU
CUC
CCC
) Pro
CUG ICCG
AUU) ACU
AUC ACC
AUA
|АСА
AUGSM ACG
GUU
GCU)
GCC
GCA
Ala
Leu CCA
First base in codon
Third base in codon
GUC
ರ ರರ
GCG
0
OB. AAG
O
C. AGA
O
D. AAC

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.

Which base is found only in rna? ribose othymine ouracil o deoxyribose detecteet