A part of an mRNA has the sequence CAU. Use the table below to figure out which amino acid is coded for by CAU, then use the table to figure out which
change to this sequence would indicate a silent mutation.
UAUTY UGC
Phe UCC
Messenger
Second base in codon
RNA Codons U
C
G
UUU UCU
UGU U
UUC
UAC)
Cys
U
с
Ser
UUA UCA
Leu
UM Stop UGA Stop A
UUG UCG UAG Stop UGG Trp G
CUU CCU CAU CGU U
CUC CCC CACHis CGC
С
Leu
Pro
CUA CCA
Arg
CAA
CUG CCG CAG CGG
AUU ACU AAU
Asn LAGU Ser
U
AUC) lle ACC AAC AGC
А
Thr
AUA ACA
ААА AGA
AUGACG
Lys
AAG AGG
GUU GCU
GGU
Asp
U
GUC GCC GAC
G
Val Ala
Gly
GUA
GCA
GGA
GUG GCG GAG GGG! G
First base in codon
Gin (CGA
Third base in codon
Arg
GAU ASP GGC
GAA Glu
O A. CÁC
ОВ. САА
O C. CAG
OD. GAU

You have been asked to lead a demonstration for the undergraduate microbiology lab course about the uses of negative staining when studying bacteria. a "negative" stain does not stain the bacterial cell itself but stains the space between cells. under magnification, the acidic (negativelycharged) nature of the stain will be repelled by the negatively charged bacterial cell wall and willleave the cell colorless in a stained background. negative stains are used primarily to reveal the presence of negatively charged bacterial capsules; therefore, they are also called capsule stains. encapsulated cells appear to have a halo surrounding them. the negative stain procedure does not require heat fixation, which limits any chances of alteration in bacterial cell shape and size. the bacterial suspension is added to a drop of stain, such as nigrosin or eosin, and drawn across the glass slide using a coverslip. nigrosin staining-not safranin staining-of klebsiella pneumoniae will allow for the visualization of the cell shape and the determination of the presence of a capsule. true/false

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

Which organism can most likely be classifild as domain bateria