International School Manila SL Biology: Cells

A:B: All cells contain a nucleus All cells come from Pre-existing cells #1 The cell theory states that all cells are the smallest Unit of life, all organisms are made up of cells, and… C:D: Cells need a membrane to protect it from its environment Cells are gnarly!

B

A:B: They stick together to form multi cellular organisms They are the basic building blocks or all living things. #2 Cells show emergent properties meaning….. C:D: The whole is greater than the sum of the parts. They have evolved to perform similar functions

C

A:B: 1µm, and 100µm100nm, and 1000µm #3 The size of a molecule is 1nm, and the size of a Virus is 10nm, what are the sizes of prokaryotic and a eukaryotic cell? C:D: 10µm, and 1000µm1nm, and 100µm

A

A:B: When the cell grows the surface area increases more rapidly than the volume Metabolism depends on the volume of the cell #4 Why is surface area to volume ratio important to Limiting a cell’s size? C:D: As it grows the ratio decreases not allowing the cell to receive enough nutrients or expel enough waste As it grows the ratio increases not allowing the cell to receive enough nutrients or expel enough waste

C

A:B: Cells performing different functions and cooperate to allow an organism to perform functions beyond one cell type. They perform different functions based on chemical responses #5 Cellular differentiation is important to multi-cellular Organisms because…. C:D: Many functions allow a cell to divide at faster rates Cells are not differentiated

A

A:B: They can grow very fast They are easy to obtain #6 Stem cells are used for therapeutic purposes because C:D: Have the ability to differentiate They contain all the necessary genetic information

C

A:B: Cell wall, cytoplasm, plasma membrane, nucleus, pili, and 70S ribosomes Cell wall, cytoplasm, plasma membrane, nucleoid, pili, and 80S ribosomes #7 Prokaryotic cells contain….. C:D: Cell wall, cytoplasm, plasma membrane, complex DNA, pili, and 80S ribosomes Cell wall, cytoplasm, plasma membrane, nucleoid, pili, and 70S ribosomes

D

A:B: Processes proteins and ships them out of the cell Synthesizes proteins #8 The Golgi apparatus C:D: Receives ATP from the mitochondria Receives complete proteins from the ER

A

A:B: A hydrophobic outer layer, a hydrophilic inner layer with integral proteins, peripheral proteins, and cholesterol A hydrophobic inner layer, a hydrophilic outer layer with integral proteins, peripheral proteins, and cholesterol #9 The cell’s membrane is composed of… C:D: A hydrophobic outer layer, a hydrophilic inner layer with integral proteins, peripheral proteins A hydrophobic inner layer, a hydrophilic outer layer with integral proteins, peripheral proteins

B

A:B: Channels for passive transport Hormone binding sites #10 Functions of membrane proteins are…. C:D: Pumps for active transport All of the above

D

A:B: Diffusion of substances from high concentrations to low Diffusion of water molecules from higher solute concentrations to a region of lower solute concentrations #11 Osmosis is… C:D: Water diffusing from high concentrations to low areas of lower concentrations Diffusion of water molecules from lower solute concentrations to a region of higher solute concentrations

C

A:B: Maintain cell volume, maintain osmotic balance, and use K+ for energy Maintain cell volume, maintain osmotic balance, and use change ATP to ADP #12 Active transport allows cells to move particles against the concentration gradient. The Na+ and K+ Allows the cell to C:D: Maintain a small concentration gradient of Na+ and K+ Maintain cell volume, maintain osmotic balance, and maintain a steep concentration gradient of Na+ and K+

D

A:B: Fluids entering the cell through vesicles Large solid particles entering the cell through vesicles #13 Pinocytosis is C:D: Liquids exiting the cell through vesicles The breakdown of bacteria cells in the cell by the lysosomes

A

A:B: HepalysisHydroxolysis #14 What is the process that breaks down ATP? C:D: Hydralysis Hydrolysis

C

A:B: Glycoproteins #15 What object is present in plant cell cytokinesis But absent in animal cell cytokinesis? C:D: MitochondriaCell Plate Metaphase plate

D

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