Transcription/Translation

The process of making a single strand copy of only a portion of a DNA strand within the nucleus is referred to as __________.

• transfer

• transcription

• translation

• restriction

Which of the following describes mRNA?

• double-stranded, constructed in the nucleus, copies both strands of DNA

• double-stranded, constructed in the cytoplasm, copies both strands of DNS

• single strand, copies a single strand of DNA, constructed in the nucleus

• single strand, constructed in the cytoplasm, changes T(thymine) to U (uracil)

The structure below represents a single strand of which of the following?

• DNA

• mRNA

• tRNA

• rRNA

Match the correct mRNA sequence to this DNA sequence to be copied: CTGCAT

• GACGUA

• AUTAUG

• CUGCAU

• GUCGAU

How many codons, or “words,” are represented in the sequence: CTGCAT?

• 6

• 3

• 4

• 2

AUGGCA is code for methionine and alanine. This is referred to as ____________.

• Mutation

• Transcription

• Translation

• Transfer

Which organelle does messenger RNA attach to in order to build new proteins?

• Golgi apparatus

• Ribosome

• Nucleus

• Mitochondria

______ serve the process of building proteins by attaching to specific amino acids in the cytoplasm and delivering them to the protein building site.

• tRNA

• mRNA

• DNA

• rRNA

The tRNA anticodon for the codon mRNA UGU is _______.

• ACA

• TCT

• GUG

• TGT