Biology- Molecules

Where are macromolecules found?

• In atoms

• Only in abiotic things

• In every cell

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What are the most abundant macromolecules in human cells?

• Plants

• Proteins

• Lipids

What are held together in chemical bonds to form molecules?

• Cells

• Carbohydrates

• Atoms

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What do carbohydrates help do?

• Speed up chemical reactions

• Provide cells with energy

• Create atoms

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What do chemical reactions do?

• Create enzymes

• Create new life

• Break up or form new molecules

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What do enzymes do?

• Speed up chemical reactions

• Produce carbohydrates

• Make a strong cell wall

What are lipids used for?

• To digest food

• To mix with water

• Energy storage in the body

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What is DNA a type of?

• Organelle

• Nucleic acid

• Cell

What does transcription do?

• Turns DNA into RNA

• Turns RNA into DNA

• Turn proteins into lipids

What controls which genes of DNA will turn into RNA?

• The membrane

• The mRNA

• The nucleus