Replication, Protein Synthesis, Mutations

What is the function of mRNA?

• provide energy for the duplication of cells
• stores food material for keeping cells alive
• preventing mutations
• to deliver genetic code to ribosome

Which type of RNA is this?

• mRNA
• tRNA
• rRNA
• RNA

Any change in the sequence of DNA nucleotides or in the structure of chromosomes is called a 

• mutation
• single genotype
• monohybrid trait
• transgenic shift

Mutated DNA sequences that can be passed from parent to offspring --

• occur in somatic cells (body cells)
• occur in gametic cells (sex cells)
• are rejected by meiosis
• only occur if the parent is exposed to harmful substances

Which describes a role that ribosomes assume in the production of proteins?

• transports nutrients into and out of the cell
• produces ATP for the cell to use
• translates mRNA into specific amino acid chain
• rids the cell of leftover amino acids once proteins have been synthesized

What is the purpose of this process?

• to create polypeptides and, eventually proteins for gene expression
• to copy original DNA strands into complimentary strands
• to generate and release ATP
• to regulate the internal environment of the cell

Transcribe the following DNA strand into mRNA - CGT 

• GCA
• GCU
• CGA
• CGU

The DNA triplets that code for amino acids are common to --

• humans only
• plants and animals
• prokaryotes
• all living things

Which amino acid would be synthesized given the DNA sequence GTA?

• Histidine
• Valine
• Threonine
• Methionine

Which RNA bases would pair with TACGAA in transcription? 

• AUGCUU
• ATGCTT
• GCATCC
• GCAUCC