1.3 Vocabulary

What does DNA mean?

• Substance that determines characteristics

• Substance that contains creatures

• A helpful bacteria

• Substance on the surface

What is a comparison?

• A comparison is an evaluation of the similarities and differences between two or more items.
• A comparison is a visual representation of data.
• A comparison is a method of measuring weight.
• A comparison is a type of mathematical operation.

What are chromosomes?

• Chromosomes are the energy-producing structures in cells.
• Chromosomes are the building blocks of proteins.
• Chromosomes are thread-like structures made of DNA and proteins that carry genes.

• Chromosomes are liquid substances that transport nutrients in the body.

What is radiation?

• Radiation is a type of sound wave.
• Radiation refers to the process of photosynthesis.
• Radiation is the absorption of energy by matter.
• Radiation is the emission and transmission of energy in the form of waves.

What is a duplicate?

• A duplicate is a completely different object.
• A duplicate is an exact copy of something.
• A duplicate is a variation of something.
• A duplicate is a unique item.

What does identical mean?

• Identical means having some similarities.
• Identical refers to something that is different.
• Identical means similar but not the same.
• Identical means exactly the same.