Unit 3 Summative Review

What type of bond is responsible for the cohesion of water molecules?

• Ionic bond

• Covalent bond

• Hydrogen bond

• Metallic bond

Which of the following is NOT one of the four main biomolecules?

• Carbohydrates

• Lipids

• Proteins

• Vitamins

What is the monomer of proteins?

• Monosaccharides

• Fatty acids

• Amino acids

• Nucleotides

Tags

NGSS.HS-LS1-6

What is the primary function of nucleic acids?

• Energy storage

• Genetic information storage and transfer

• Structural support

• Catalyzing reactions

Tags

NGSS.HS-LS3-1

Which of the following best describes the structure of lipids?

• Rings of carbon, hydrogen, and oxygen

• Fatty acids connected by a glycerol backbone

• Chains of amino acids

• Nucleotides with a sugar, phosphate, and nitrogenous base

What is the role of enzymes in chemical reactions?

• Increase the activation energy

• Decrease the activation energy

• Provide energy for the reaction

• Act as a reactant

Tags

NGSS.HS-PS1-2

Which organelle is responsible for energy production in eukaryotic cells?

• Nucleus

• Mitochondria

• Ribosome

• Golgi apparatus

Tags

NGSS.HS-LS1-7

What is the main difference between prokaryotic and eukaryotic cells?

• Presence of a cell wall

• Presence of a nucleus

• Ability to photosynthesize

• Size of the cell

What is facilitated diffusion?

• Movement of molecules against the concentration gradient

• Movement of molecules through a membrane without energy

• Movement of molecules through a membrane with the help of proteins

• Movement of water molecules only

What did Hershey and Chase's experiment demonstrate?

• DNA is the genetic material

• Proteins are the genetic material

• RNA is the genetic material

• Lipids are the genetic material

Tags

NGSS.HS-LS1-1