Higher Biology - 1.3 Gene Expression

The first stage of Protein Synthesis is...

• Transcription

• Translation

Which of the following are coding regions of an mRNA transcript?

• Introns

• Exons

Which of the following is not a form of RNA?

• mRNA

• tRNA

• rRNA

• dRNA

Which sequence of complementary DNA bases would pair with this partial strand
ATG TGA CAG?

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

In a molecule of double-stranded DNA, the amount of adenine present is always equal to the amount of _________.

• cytosine
• guanine
• thymine
• uracil

Where is DNA and RNA made?

• nucleus

• cytoplasm

• mitochondria

• ER

RNA contains which sugar?

• deoxyribose

• Ribose

• glucose

• fructose

RNA has what base that is instead of thymine?

• guanine

• adenine

• thymine

• uracil

A triplet of bases on mRNA is called a

A triplet of bases on tRNA is called an