Central Dogma

A molecule of DNA is made up of _________.

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

Which do DNA and RNA have in common?

• Both are double stranded.
• Both contain ribose molecules.
• Both contain phosphate groups.
• Both contain uracil.

If the structure of DNA were likened to a ladder, what would make up the “supporting structure” (not the “rungs”) of the ladder?

• amino acids and sugars
• nucleotide bases, including thymine
• nucleotide bases, including uracil
• sugar-phosphate molecules

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

• substitution
• frameshift
• lethal
• insertion

What is the complimentary mRNA sequence to the DNA sequence A-T-T-G-C-A.

• T-A-A-C-G-T
• U-A-A-C-G-T
• U-A-A-C-G-U
• T-A-A-G-C-U

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