Biology SOL Review Post Assessment 20/21

The cell theory states that

• Living things are composed of one or more cells.

• All living cells require water for survival.

• New cells arise from pre-existing cells.

• Cells are the basic units of structure and function of all living things.

• All living things are only composed of cells.

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NGSS.MS-LS1-1

NGSS.MS-LS1-3

What is the monomer that makes up proteins?

• Amino acids

• Fatty acids

• Monosaccharides

• Nucleotides

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Which organelle in the cell modifies, sorts , and packages proteins and other materials for storage or release from the cell (Labeled as "A")?

• Golgi Body

• Ribosomes

• Nucleus

• Endoplasmic Reticulum

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NGSS.MS-LS1-2

Which of the following scientists concluded that all cells come from pre-existing cells?

• Robert Hooke

• Rudolf Virchow

• Matthias Schleiden

• Theodor Schwann

Depending on the electric charge, shape, and chemical properties, a substance may or may not be allowed to pass through a cell membrane. This function of the cell membrane is important because it ___________.

• prevents cell division

• prevents destruction of the cell wall

• allows the cell to maintain homeostasis

• allows amino acids to move into and out of the cell

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Phospholipid molecules in a membrane are arranged with their _______ on the exterior and their _______ on the interior.

• hydrophilic heads....hydrophobic tails

• hydrophobic heads.....hydrophobic tails

• hydrophobic tails....hydrophilic heads

• hydrophilic tails....hydrophobic heads

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NGSS.MS-LS1-2

Red blood cells have a salt content of 9%. When a microbiologist places red blood cells in pure water, osmosis occurs. What net movement of a substance occurs in this instance of osmosis?

• Water molecules move out of the cell.

• What molecules move into the cell.

• Salt ions move out of the cell.

• Salt ions move into the cell.

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NGSS.HS-LS1-3

A substance that moves across a cell membrane without using the cell's energy tends to move...

• in the direction to the area of equilibrium.

• in the direction where it is less concentrated.

• in the direction where it is more concentrated.

• in the direction where it is more concentrated.

If a cell's cytoplasm contains 30% solute, which of the following best describes the rest of the cell?

• 70% solute

• 30% solute

• 70% solvent

• 30% solvent

Structure #2 helps to stabilize and support the cell membrane. What is the name of this structure?

• Peripheral protein

• Phospholipid bilayer

• Glycoprotein

• Cholesterol

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NGSS.MS-LS1-2