Molecules and Cells Adaptive Quiz

Proteins are made of monomers called ___________

• Nucleotides
• Monosaccharides
• Amino Acids
• Glycerol and fatty acids

What is the function of nucleic acids?

• store genetic information
• store energy (long-term)
• store energy (short-term)
• build skin, hair, nails, muscles

Which of the following organic compounds is the main source of energy for living things?

• carbohydrates
• lipids
• nucleic acids
• proteins

Which of the following is NOT a correct pair?

• Carbohydrates - Sugars & Starches

• Lipids - Fats & Oils

• Proteins - Waxes

• Nucleic Acids - DNA & RNA

When a molecule has an opposite electrical charge on each end, it is known as what?

• cohesion
• polar molecule
• hydrogen bond
• solution

Water is a universal solvent because it...

• It can be found anywhere
• It freezes when it gets cold
• floats when frozen
• Dissolves most substances

Water can move up plant stems do the capillary action, which is the result of...

• Surface tension

• High specific heat

• Solubility

• Cohesion and adhesion

What is the optimum temperature and pH of this enzyme?

• Temperature: 50°C, pH: 13

• Temperature: 37°C, pH: 7

• Temperature: 25°C, pH: 4

• Temperature: 45°C, pH: 10

Enzymes act as catalysts, meaning they...

• Speed up chemical reactions

• Slow down chemical reactions

• Reverse chemical reactions

• Cancel chemical reactions

Enzymes are a type of...

• Carbohydrate

• Lipid

• Protein

• Nucleic Acids