LS1.3 DNA Structure & Replication

DNA stands for _____.

• Deoxyribonucleic Atom

• Deoxyribonucleic Acid

• Denaturednuclear Atoms

• Denaturednuclear Acid

What THREE things make up a DNA Nucleotide?

• Sugar Molecule

• Phosphate

• Nitrogen Base

• Polymerase

In DNA, Adenine will always pair with ​ (a)   and Guanine will always pair with ​ (b)   .

• Thymine
• Cytosine
• Guanine
• Adenine

What would the complementary strand of DNA read?

AGGTCCG

RNA is a ​ (a)   stranded molecule made of ​ (b)   instead of deoxyribose. It also does not have the nucleotide ​ (c)   , and instead has ​ (d)   .

• single
• ribose
• Thymine
• Uracil

The process where a DNA molecule copies itself so that there are 2 identical copies is called _____.

• Replication

• Recycling

• Photocopying

• Transcribing

The enzyme ​ (a)   breaks the hydrogen bonds between the nucleotides and opens a ​ (b)   .

• helicase
• replication fork
• primase
• bubble

This molecule proofreads the new strand of DNA. ​ (a)   Proofreading is important because it prevents ​ (b)   in the DNA that would be spread to other daughter cells.

• DNA Polymerase
• mutations