Biochemistry Retake

What is the smallest unit of an element that retains the properties of that element?

• Molecule

• Atom

• Compound

• Ion

Tags

NGSS.MS-PS1-1

What is the pH of a neutral solution at 25°C?

• 0

• 7

• 14

• 1

Which biomolecule is primarily responsible for storing genetic information?

• Carbohydrates

• Lipids

• Proteins

• Nucleic acids

Analyze how the unique properties of water contribute to its role in supporting life.

• Water's high density allows it to support marine life.

• Water's ability to dissolve a wide range of substances makes it an excellent medium for chemical reactions.

• Water's low boiling point makes it ideal for temperature regulation.

• Water's non-polarity allows it to interact with non-polar molecules.

Tags

NGSS.HS-ESS2-5

What is the primary function of carbohydrates in living organisms?

• Store genetic information

• Provide energy

• Catalyze biochemical reactions

• Form cell membranes

Tags

NGSS.MS-LS1-7

NGSS.MS-LS2-3

Which of the following best describes the role of lipids in biological systems?

• They are the main source of genetic information.

• They provide structural support to cells.

• They store energy and form cell membranes.

• They speed up chemical reactions.

How does the structure of proteins relate to their function in the body?

• Proteins have a rigid structure that makes them ideal for storing energy.

• The sequence of amino acids determines the protein's shape and function.

• Proteins are non-polar, allowing them to interact with lipids.

• Proteins are primarily used for genetic information storage.

Tags

NGSS.HS-LS1-1

Design an experiment to test the effect of temperature on the solubility of a salt in water.

• Measure the pH of the solution at different temperatures.

• Measure the amount of salt that dissolves in water at different temperatures.

• Measure the boiling point of the solution at different temperatures.

• Measure the density of the solution at different temperatures.

Tags

NGSS.MS-PS1-4

Carbon, Hydrogen, Oxygen and Nitrogen are elements in what biomolecule?

• Carbohydrate
• Lipid
• Protein
• Nucleic acid

Tags

NGSS.HS-LS1-6

What elements are common to all 4 biomolecules?

• Carbon, hydrogen, nitrogen
• Carbon, Nitrogen, Phosphorus
• Carbon, Hydrogen, Oxygen
• Carbon, Hydrogen, Phosphorus

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6