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In all living things, DNA is essential for inheritance, coding for proteins, and providing instructions for life and its processes. DNA testing can be used in the world around us by figuring out human patterns. In the medical field, DNA is used in diagnostics, new vaccine development, and cancer therapy.

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4 SHORT ANSWER QUESTIONS & THEIR ANSWERS

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4 SHORT ANSWER QUESTIONS & THEIR ANSWERS

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1. What does DNA stand for? Deoxyribonucleic acid
2. During what phase is DNA replicated? S phase
3. What are the three roles of DNA?  Store, copy, and transfer
4. Where do hydrogen bonds form in a DNA molecule? Between two strands

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https://youtu.be/6rv5Z8EBXwY

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What is DNA and How Does it Work? - Basics of DNA

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- Bacteriophages infect all bacteria cells.
- DNA is like a book because DNA contains letters like a book.
- The three main parts of a nucleotide is phosphate, sugar molecule, and the four bases.
- The pairs are A to T and G to C.

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1. Bacterial transformation: A process to make multiple copies of DNA.
2. Covalent bonds: The mutual sharing of one or more pairs of electrons between two atoms.
3. Base pairing: Two complementary DNA nucleotide bases that pair together to form a "DNA ladder".
4. Antiparallel strands: The strands run in opposite directions, parallel to one another.
5. Hydrogen bonding: A weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.
6. Telomerase: An enzyme in cells that helps keep them alive by adding DNA to telomeres.
7. Eukaryotic and Prokaryotic DNA replication: Eukaryotic DNA replication requires multiple replication forks, while prokaryotic replication uses a single origin to rapidly replicate the entire genome.
8. Enzymes: A biological catalyst and is almost always a protein.
9. Bacteriophage: A virus that parasitizes a bacterium by infecting it and reproducing inside it.
10. Histones: Any of a group of basic proteins found in chromatin.