DNA vs RNA Review

Which of these is most responsible for carrying coded information from the nucleus to the cytoplasm/ribosome?

• DNA

• mRNA

• tRNA

• protein (enzymes)

What enzyme adds complementary nucleotides to the new DNA and RNA strands? 

• Helicase

• Polymerase

• Primase

• Exonuclease

A triplet code of bases for mRNA may be represented by all of the following except —

• CGU

• CGT

• CGG

• AGC

Tags

NGSS.HS-LS1-6

The picture shows an x-ray diffraction of DNA taken by Rosalind Franklin. The x-ray diffraction of DNA led to the idea that DNA —

• can copy itself identically

• is a very long molecule

• contains paired nitrogen bases

• is a double helix

Tags

NGSS.HS-LS1-1

Why does DNA stay in the nucleus?

• To protect it from becoming damaged.

• It is lazy. 

• It is grounded. 

• It cannot move. 

DNA= ​ shape (a)   ​, bases (b)   , found ​ (c)  

RNA= ​shape (d)   , bases ​ (e)  

• Double Strand
• ATCG
• In Nucleus ONLY
• Single Strand
• AUCG

Tags

NGSS.HS-LS1-1

A nucleotide from DNA and RNA are shown in the image, what is the difference between them regarding the sugars involved?

• DNA and RNA have the same sugar

• DNA has a ribose sugar while RNA has a deoxyribose sugar

• DNA and RNA have no sugar

• DNA has a deoxyribose sugar while RNA has a ribose sugar

3 Base pairs on a mRNA strand that pairs up with a amino acid of a tRNA strand is called a ______.

• Nucleotide

• Protein

• Codon

• Anticodon

What is the MONOMER of both DNA and RNA?

• Nitrogen Base

• Pentose Sugar

• Nucleotide

• Amino Acid

Which of the following bases is found in RNA but not in DNA?

• Uracil

• Thymine

• Guanine

• Adenine