BIO Unit 4 Topic 1 - D

A gene includes non-coding introns that are ____________ during post-transcriptional modification.

• capped

• removed

• retained

• methylated

Gene regulation occurs:

• only in some cells.

• when the variability within the genetic code is insufficiently adaptive for the individual to survive in its environment.

• constantly, in all known life forms.

• during embryonic development.

_______ is to transcription as ________ is to translation.

• mRNA / Amino Acid Chain
• Amino Acid Chain / mRNA
• Ribosome / Nucleus
• mRNA / tRNA

Which of these processes begin with an mRNA molecule?

• DNA Replication
• Transcription
• Translation
• None of them

Translation in eukaryotes occurs:

• outside of the nucleus.

• inside of the nucleus.

What structure of this molecule binds with the mRNA molecule?

• Amino Acid
• tRNA
• Anticodon
• Codon

In DNA replication, which enzyme is responsible for building the new DNA strand?

• helicase
• polymerase
• ligase
• primase

Where does transcription take place?

• nucleus
• cytoplasm
• ribosome

How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA

• 4
• 2
• 6
• 12

what does mRNA do?

• carry info from genes to ribosomes
• carry amino acids to ribosomes
• help with RNA splicing
• make up ribosomes