A part of an mRNA has the base sequence GCA. Which change to this sequence would indicate a missense mutation?
Phe UCC
CAC)
Messenger
Second base in codon
RNA Codons U
A
G
UUU UCU UAU
UGU
UUC
UAC
Tyr
UGC
Cys
Ser
UUA UCA
Leu
UAA Stop UGA Stop A
UUG
UCG UAG Stop UGG Trp G
CUU CCU CAU
U
CGU
CUC |ССС
His
CGC
с
Leu
Pro
CUA ССА ICAAT
Arg
Gin
CGA
CUG CCG
CGG
AUU ACU AAU AGU
Asn
AUC
U
Ser
Ile ACC
AAC) AGC
Thr
С
AUA ACA
АЛА
A
AGA
AUGACG
Lys
Arg
AAG) AGG)
G
GUU
GAUL
GGU
Asp
GUC
U
GCC GAC GGC
G
Val
GUA GCA
Ala
GAA
Gly
GGA
Glu
GUG GCG GAG GGG
G
GCA
First base in codon
CAG
Third base in codon
GCU
Blocosoco
A. GAA
B. GCU
C. GCC
D. GCG

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

Clues to ecological principles are given in numerous passages of the bible. a bible study of ecology actually opens the doors to better understanding of god's love and concern for the earth. use a concordance to locate bible passages associated with words concerning our stewardship of the earth. you may use a dictionary to find synonyms for these words: dominion replenish subdue judgment stewardship find each of the passages using these words related to principles of ecology. list all passages by quote, book, chapter, and verse under each word. use your own interpretation to rewrite what you think each verse is saying. after your discussion of each of these words, ask one other person to explain his understanding of the word and a related verse without any hints. summarize what he tells you. a concluding paragraph for each of the words should be written noting similarities and differences between your interpretation and that of each person consulted.

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?