Cell and Cell Transport

What is the difference between an independent and dependent variable?

• An independent variable is manipulated to observe its effect on the dependent variable.

• A dependent variable is manipulated to observe its effect on the independent variable.

• Both variables are manipulated simultaneously.

• Neither variable is manipulated.

Tags

NGSS.MS-PS1-2

Which of the following is a function of carbohydrates in living organisms?

• Energy storage

• Genetic information storage

• Catalyzing biochemical reactions

• Insulation and protection

Tags

NGSS.MS-LS2-3

Distinguish between an acid and a base. Sketch and label a pH scale.

• Acids have a pH less than 7, bases have a pH greater than 7.

• Acids have a pH greater than 7, bases have a pH less than 7.

• Acids and bases both have a pH of 7.

• Acids and bases cannot be distinguished by pH.

Which of the following is an example of a solution, solute, and solvent?

• Saltwater: Salt is the solute, water is the solvent, and the mixture is the solution.

• Oil and water: Oil is the solute, water is the solvent, and the mixture is the solution.

• Sand in water: Sand is the solute, water is the solvent, and the mixture is the solution.

• Air: Oxygen is the solute, nitrogen is the solvent, and the mixture is the solution.

Which of the following are NOT components of the cell theory?

• All living organisms are composed of one or more cells.

• The cell is the basic unit of life.

• All cells arise from pre-existing cells.

• Cells can spontaneously generate.

Who is known for discovering microorganisms using a microscope?

• Leeuwenhoek

• Hooke

• Schleiden

• Schwann

• Virchow

List the levels of cellular organization in a multicellular organism starting with cells and ending in organism.

• Cells, Tissues, Organs, Organ Systems, Organism

• Cells, Organs, Tissues, Organ Systems, Organism

• Cells, Organ Systems, Tissues, Organs, Organism

• Cells, Organism, Organ Systems, Organs, Tissues

Tags

NGSS.HS-LS1-2

Identify the differences between prokaryotic cells and eukaryotic cells.

• Prokaryotic cells have a nucleus, eukaryotic cells do not.

• Eukaryotic cells have a nucleus, prokaryotic cells do not.

• Both prokaryotic and eukaryotic cells have a nucleus.

• Neither prokaryotic nor eukaryotic cells have a nucleus.

Identify the differences between plant and animal cells.

• Plant cells have a cell wall, while animal cells do not.

• Animal cells have chloroplasts, while plant cells do not.

• Both plant and animal cells have a rigid cell wall.

• Plant cells lack a nucleus, while animal cells have one.

Which organelle is responsible for energy production in animal cells?

• Nucleus

• Mitochondria

• Ribosome

• Chloroplast

Tags

NGSS.HS-LS1-7