Chemistry of Life Review

The presence of which element classifies something as organic?

• Hydrogen

• Oxygen

• Carbon

• Sulfur

Tags

NGSS.HS-LS1-6

How are nucleotides different in DNA vs RNA?

• DNA contains uracil instead of thymine

• DNA contains ribose sugar

• RNA contains uracil instead of thymine

• RNA contains deoxyribose sugar

How can changing the primary structure of a protein affect the shape of the protein?

• The primary structure does not affect the shape of a protein

• The shape of the protein will be the same, but it will function differently

• The primary structure determines all higher levels of protein structure

• The sequence of nucleotides in the protein will be different

Tags

NGSS.HS-LS1-1

In which macromolecule will you always find phosphate?

• carbohydrates

• lipids

• proteins

• nucleic acids

Which 3 elements are carbohydrates always composed of?

• C , N , S

• C , H , O

• C , S , O

• C , H , P

Tags

NGSS.HS-LS1-6

Which of these carbohydrates is used by plants to store energy?

• Starch

• Cellulose

• Glycogen

• Chitin

Tags

NGSS.MS-LS1-6

Which of these is the strongest and most stable bond found in polypeptides?

• Hydrogen bonds

• Van der Waals interactions

• Ionic bonds

• Disulfide bridge

Which type of nucleic acid is pictured here?

• DNA

• RNA

• ATP

• Not enough information

Which type of fats are solid at room temperature?

• Saturated fats

• Unsaturated fats

Where do hydrogen bonds form in water?

• Between the hydrogen of one molecule and the hydrogen of another

• Between the oxygen of one molecule and the oxygen of another

• Between the hydrogen of one molecule and the oxygen of another

• Hydrogen bonds do not form in water