Central dogma

Which of the following sequences of processes correctly reflects the central dogma?

• protein synthesis, transcription, translation
• protein synthesis, translation, transcription
• transcription, translation, protein synthesis
• translation, transcription, protein synthesis

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.

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 

Tags

NGSS.HS-LS3-2

Are all mutations bad?

• Yes
• No

Tags

NGSS.HS-LS3-2

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

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

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

In RNA, the nitrogen base____ replaces ____ that was present in DNA. 

• A, U (adenine, uracil)
• C, G (cytosine, guanine)
• U, T (uracil, thymine)
• U, A (uracil, adenine)