Mutations

A molecule of DNA is made up of _________.

• amino acids and proteins
• ATP and enzymes
• paired nucleotides
• receptor enzymes

What type of mutation has occurred in Figure 12-3?

• substitution
• frameshift
• lethal
• insertion

Which defines a codon in DNA or mRNA?

• pair of nucleic acid and sugar
• pair of phosphate and sugar
• three-base code
• two-base code

What mutation has occurred here? 
T-G-A-C-C-A
T-G-A-G-C-A

• Substitution
• Deletion
• Insertion
• Frameshift 

Are all mutations bad?

• Yes
• No

Any change in the sequence of DNA is...

• transgenic shift
• Single Genotype
• Monohybrid Trait
• Mutation

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

What are the building blocks of proteins called?

• DNA
• RNA
• Ribosomes
• Amino Acids

DNA has a ______ strand; RNA has a ______ strand.

• double/double
• double/triple
• double/single
• single/single

Transcription takes place in the 

• cytoplasm
• ribosome
• mitochondrion
• nucleus