Biotechnology Basics

What is DNA?

• A type of protein

• A type of carbohydrate

• The molecule that carries genetic information

Answer explanation

Correct! DNA carries the instructions for the development and function of all living organisms.

Which tool is used to observe cells?

• Microscope

• Pipette

• Centrifuge

Answer explanation

Correct! A microscope allows us to see small cells that are invisible to the naked eye.

What is a gene?

• A segment of DNA

• A type of cell

• A protein

Answer explanation

Correct! A gene is a segment of DNA that contains instructions for making proteins.

Which process produces energy in cells?

• Photosynthesis

• Respiration

• Fermentation

Answer explanation

Correct! Cellular respiration breaks down glucose to produce energy (ATP).

What is the main purpose of a PCR (Polymerase Chain Reaction)?

• To sequence DNA

• To amplify DNA

• To cut DNA

Answer explanation

Correct! PCR is used to make millions of copies of a specific DNA segment.

Which of these is an example of biotechnology in everyday life?

• Baking bread

• Writing a book

• Painting a picture

Answer explanation

Correct! Using yeast to make bread is a form of traditional biotechnology.

What is a plasmid?

• A small, circular DNA molecule in bacteria

• A type of virus

• A cell organelle

Answer explanation

Correct! Plasmids are used in genetic engineering to transfer genes.