LABXPERT QUIZ 1

Branch of biology that deals with the structure, function, and manipulation of macromolecules essential to life.

• Genetics

• Molecular Biology

• Genomics

• Biochemistry

Swiss physician and biochemist who first described DNA as an unusual acidic substance containing nitrogen and phosphorus.

• Walther Flemming

• Frederick Griffith

• Johann Friedrich Miescher

• Oswald Avery

Which among the following is not a Pyrimidine?

• cytosine

• thymine

• uracil

• adenine

TRUE or FALSE: During DNA synthesis, the 5' phosphate group of an incoming nucleotide attaches to the 3' hydroxyl group of the last nucleotide on the growing chain.

• FALSE

• TRUE

In DNA replication, which strand is read from 3' to 5' and replicated continuously?

• Lagging strand

• Complementary strand

• Leading strand

• Template strand

Which enzyme is responsible for connecting Okazaki fragments together?

• Helicase

• Polymerase

• Primase

• Ligase

Which RNA type holds the information that specifies a particular protein?

• mRNA

• rRNA

• tRNA

• snRNA

Start CODON.

• UGA

• AUG

• AGU

• UUA

A short sequence of modified nucleotides attached to the 5' end of the mRNA to prevent degradation.

• Splicing

• Exon

• CAP

• Poly A tail

The transcription binding factor is associated with what step of the Transcription process?

• Elongation

• Annealing

• Termination

• Initiation