GENETIC CODE AND REGULATION QUIZ

the initiating amino acid is phenyl alanine

the initiating amino acid is N- formyl methionine

None of these

the initiating amino acid is methionine

elongation code

propagation code

initiation code

termination code

none of these

first base

third base

second base

5' TGGCAAT 3'

5' ATTGCCA 3'

5' TAACGGT 3'

5' UAAGCCU3'

species-specific

universal except for rare exceptions in mitochondria and some protozoa

universal

kingdom-specific

Mixed co-polymer mRNA synthesis

In vitro synthesis of a polypeptide using UUUUU

Labeled peptide binding to a ribosome

None of these

Four

Two

Three

One

a stop codon

methionine

N-formyl methionine

alanine

on the lagging strand

at the replication fork

at the start codon

in nucleus

All of these

Advanced cells lack RNA

RNA can both code genetic information and act as a catalyst

DNA and enzymes are only present in the most advanced cells