Bio Unit 3 vocab quiz

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Questions and Answers

What type of transport can move substances across the cell membrane, requiring energy?

active transport

What is the name of the form of cellular respiration that requires oxygen to generate ATP?

aerobic respiration

What is the process of making alcohol where yeast turns sugar into ethanol and carbon dioxide called?

alcoholic fermentation

What kind of respiration occurs in the absence of oxygen and generates less ATP?

<p>anaerobic respiration</p> Signup and view all the answers

What is the source of energy for cells that allows for all cell processes to occur?

<p>ATP (adenosine triphosphate)</p> Signup and view all the answers

What do you call an organism that can make its own food, like plants do through photosynthesis?

<p>autotroph</p> Signup and view all the answers

What is the process in which cells break down food using oxygen to create ATP?

<p>cellular respiration</p> Signup and view all the answers

What autotrophic process allows organisms to obtain energy from the breakdown of inorganic materials such as Nitrogen and Sulfur?

<p>chemosynthesis</p> Signup and view all the answers

What pigments in the chloroplast absorb all colors except green?

<p>chlorophyll</p> Signup and view all the answers

What is it called when a solvent moves through a concentration gradient?

<p>diffusion</p> Signup and view all the answers

What is it called when solutes are transferred from places in high concentration to places of low concentration?

<p>concentration gradient</p> Signup and view all the answers

Define dynamic equilibrium.

<p>a state of balance between continuing processes</p> Signup and view all the answers

What active transport process involves the membrane folding around a solution or molecule and forming a vacuole inside of the cell?

<p>endocytosis</p> Signup and view all the answers

What active transport process involves the material fusing with the cell membrane, forcing the material out of the cell?

<p>exocytosis</p> Signup and view all the answers

What is the transport of substances through a cell membrane along a concentration gradient with the aid of proteins?

<p>facilitated diffusion</p> Signup and view all the answers

What is an organism that must get food from its environment called, for example, animals?

<p>heterotroph</p> Signup and view all the answers

What happens to cells in a hypertonic solution?

<p>water flows out, cells shrink and mass decreases</p> Signup and view all the answers

What happens to cells in an isotonic solution?

<p>there is equal flow in water both ways, cells keep same size</p> Signup and view all the answers

What process happens in muscle cells during exercise when they break down sugars to make ATP?

<p>lactic acid fermentation</p> Signup and view all the answers

What is energy from the sun called?

<p>light energy</p> Signup and view all the answers

What is the diffusion of water across a selectively permeable membrane called?

<p>osmosis</p> Signup and view all the answers

What is the movement of ions or particles from an area of high concentration to an area of low concentration without the need of ATP or energy source called?

<p>passive transport</p> Signup and view all the answers

What process involves a plant cell losing water content and therefore contracting and shrinking?

<p>plasmolysis</p> Signup and view all the answers

What is the process that plants and some algae use to trap the sun's light, making energy?

<p>photosynthesis</p> Signup and view all the answers

What is the term for membranes that choose to allow or block materials from entering or exiting a cell?

<p>selectively permeable</p> Signup and view all the answers

What is another name for selectively permeable?

<p>semipermeable</p> Signup and view all the answers

In a solution, what is the name of what is dissolved?

<p>solute</p> Signup and view all the answers

What do you call a mixture that forms when one substance dissolves another?

<p>solution</p> Signup and view all the answers

In a solution, what is doing the dissolving?

<p>solvent</p> Signup and view all the answers

What is the pressure that water molecules put against the cell wall called?

<p>turgor pressure</p> Signup and view all the answers

What type of transport can move materials across the cell membrane, requiring energy?

<p>active transport</p> Signup and view all the answers

What is aerobic respiration?

<p>a form of cellular respiration that requires oxygen in order to generate ATP</p> Signup and view all the answers

What is alcoholic fermentation?

<p>the process of making alcohol where yeast turns sugar into ethanol and carbon dioxide</p> Signup and view all the answers

What is ATP?

<p>adenosine triphosphate that is the source of energy for cells and allows for all cell processes to occur</p> Signup and view all the answers

What is an autotroph?

<p>an organism that can make its own food, plants (by photosynthesis)</p> Signup and view all the answers

What is cellular respiration?

<p>the process in which cells break down food using oxygen to create ATP (energy for the cell)</p> Signup and view all the answers

What is chemosynthesis?

<p>autotrophic process where organisms obtain energy from the breakdown of inorganic materials such as Nitrogen and Sulfur</p> Signup and view all the answers

What is chlorophyll?

<p>pigments in the chloroplast absorb all colors except green so it is reflected</p> Signup and view all the answers

What is diffusion?

<p>when a solvent moves through concentration gradient</p> Signup and view all the answers

What is a concentration gradient?

<p>when solutes are transferred from places in concentration from high concentration to low concentration</p> Signup and view all the answers

What is dynamic equilibrium?

<p>a state of balance between continuing processes</p> Signup and view all the answers

What is endocytosis?

<p>active transport that the membrane folds around the solution or molecule and forms a vacuole inside of the cell</p> Signup and view all the answers

What is facilitated diffusion?

<p>the transport of substances through a cell membrane along a concentration gradient with proteins</p> Signup and view all the answers

What is lactic acid fermentation?

<p>muscle cells during exercise, breaks down sugars to make ATP</p> Signup and view all the answers

What is light energy?

<p>energy from the sun</p> Signup and view all the answers

What is osmosis?

<p>the diffusion of water across a selectively permeable membrane</p> Signup and view all the answers

What is passive transport?

<p>is the movement of ions or particles from an area of high concentration to an area of low concentration without the need of ATP or energy source</p> Signup and view all the answers

What does it mean for a membrane to be selectively permeable?

<p>membranes choose to allow or block materials to enter or exit a cell</p> Signup and view all the answers

What does it mean for a membrane to be semipermeable?

<p>only some substances can pass through</p> Signup and view all the answers

What is a solute?

<p>what is dissolved in a solution</p> Signup and view all the answers

What is turgor pressure?

<p>pressure that water molecules put against the cell wall</p> Signup and view all the answers

What type of transport can move substances across the cell membrane while requiring energy?

<p>active transport</p> Signup and view all the answers

What type of cellular respiration requires oxygen in order to generate ATP?

<p>aerobic respiration</p> Signup and view all the answers

What process turns sugar into ethanol and carbon dioxide?

<p>alcoholic fermentation</p> Signup and view all the answers

What type of cellular respiration occurs in the absence of oxygen and generates less ATP?

<p>anaerobic respiration</p> Signup and view all the answers

What is an organism called that can make its own food, such as plants, through photosynthesis?

<p>autotroph (B)</p> Signup and view all the answers

What autotrophic process obtains energy from the breakdown of inorganic materials such as Nitrogen and Sulfur?

<p>chemosynthesis</p> Signup and view all the answers

Which pigment in the chloroplast absorbs all colors except green, so it is reflected?

<p>chlorophyll</p> Signup and view all the answers

What occurs when a solvent moves through a concentration gradient?

<p>diffusion</p> Signup and view all the answers

What is it called when solutes are transferred from places in high concentration to low concentration?

<p>concentration gradient</p> Signup and view all the answers

What is a state of balance between continuing processes called?

<p>dynamic equilibrium</p> Signup and view all the answers

What is the active transport process where the membrane folds around the solution or molecule and forms a vacuole inside of the cell?

<p>endocytosis</p> Signup and view all the answers

What describes the transport of substances through a cell membrane along a concentration gradient with proteins?

<p>facilitated diffusion</p> Signup and view all the answers

What is an organism that must get food from its environment called?

<p>heterotroph</p> Signup and view all the answers

In what type of solution do cells shrink and lose mass?

<p>hypertonic</p> Signup and view all the answers

In what type of solution do cells grow and gain mass?

<p>hypotonic</p> Signup and view all the answers

In what type of solution do cells keep the same size?

<p>isotonic</p> Signup and view all the answers

What type of fermentation occurs in muscle cells during exercise?

<p>lactic acid fermentation</p> Signup and view all the answers

What type of transport is the movement of ions or particles from an area of high concentration to an area of low concentration without the need of ATP?

<p>passive transport</p> Signup and view all the answers

What is the process involving a plant cell losing water content and therefore contracting and shrinking its cytoplasm and plasma membrane away from the inside of its cell wall?

<p>plasmolysis</p> Signup and view all the answers

What is the term for membranes that choose to allow or block materials to enter or exit a cell?

<p>selectively permeable</p> Signup and view all the answers

What describes a membrane that only some substances can pass through?

<p>semipermeable</p> Signup and view all the answers

What is dissolved in a solution?

<p>solute</p> Signup and view all the answers

What is a mixture that forms when one substance dissolves another called?

<p>solution</p> Signup and view all the answers

What is doing the dissolving in a solution?

<p>solvent</p> Signup and view all the answers

What is the pressure that water molecules put against the cell wall?

<p>turgor pressure</p> Signup and view all the answers

Flashcards

Active transport

Movement across a cell membrane requiring energy.

Aerobic respiration

Cellular respiration requiring oxygen to generate ATP.

Alcoholic fermentation

Yeast converts sugar into ethanol and carbon dioxide.

Anaerobic respiration

Cellular respiration occurring without oxygen, generating less ATP.

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ATP

Adenosine triphosphate, the cell's primary source of energy.

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Autotroph

Organism that makes its own food, like plants through photosynthesis.

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Cellular respiration

Cells break down food using oxygen to create ATP.

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Chemosynthesis

Organisms obtain energy from inorganic materials such as nitrogen and sulfur.

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Chlorophyll

Pigment in chloroplasts that absorbs most colors except green, which is reflected.

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Diffusion

Movement of a solvent through a concentration gradient.

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Concentration gradient

Solutes move from high concentration to low concentration areas.

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Dynamic equilibrium

State of balance between continuing processes.

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Endocytosis

Membrane folds around a substance, forming a vacuole inside the cell.

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Exocytosis

Material fuses with the cell membrane, forcing the material out of the cell.

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Facilitated diffusion

Transport across a cell membrane along a concentration gradient with aid of proteins.

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Heterotroph

Organism that must get food from its environment.

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Hypertonic

Water flows out of the cell causing it to shrink

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Hypotonic

Water flows into the cell causing it to grow.

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Isotonic

Equal flow of water in both directions which the cells keep same size.

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Lactic acid fermentation

Muscle cells break down sugars to make ATP during exercise.

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Light energy

Energy from the sun.

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Osmosis

Diffusion of water across a selectively permeable membrane.

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Passive transport

Movement from high to low concentration without energy .

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Plasmolysis

Plant cell loses water so it contracts, shrinking its cytoplasm and plasma membrane away from cell wall.

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Photosynthesis

Plants trap the sun's light to make energy.

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Selectively permeable

Membranes choose what to allow or block from entering/exiting a cell.

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Semipermeable

Only some substances can pass through.

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Solute

What is dissolved in a solution.

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Solution

A mixture that forms when one substance dissolves another.

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Solvent

What the solute is being dissolved in.

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Turgor pressure

Pressure that water molecules put against the cell wall.

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Study Notes

  • Active transport requires energy to move substances across the cell membrane.
  • Aerobic respiration is a type of cellular respiration that requires oxygen to produce ATP.
  • Alcoholic fermentation involves yeast converting sugar into ethanol and carbon dioxide.
  • Anaerobic respiration is a type of cellular respiration that occurs without oxygen and produces less ATP.
  • ATP (adenosine triphosphate) is the primary energy source for cells, enabling cellular processes.
  • Autotrophs are organisms, like plants, that can produce their own food through photosynthesis.
  • Cellular respiration is the process by which cells break down food using oxygen to generate ATP.
  • Chemosynthesis is an autotrophic process where organisms obtain energy from inorganic materials like nitrogen and sulfur.
  • Chlorophyll is a pigment in chloroplasts that absorbs most colors of light except green, which it reflects.
  • Solutes move through a concentration gradient from areas of high concentration to areas of low concentration in diffusion.
  • Concentration gradient describes the movement of solutes from high to low concentration areas.
  • Dynamic equilibrium is a state of balanced activity between ongoing processes.
  • During endocytosis, the cell membrane surrounds a substance, forming a vacuole within the cell, which requires energy.
  • During exocytosis, a material fuses with the cell membrane, expelling the material out of the cell, which requires energy.
  • Facilitated diffusion involves the transport of substances across a cell membrane along a concentration gradient with the aid of proteins.
  • Heterotrophs are organisms, such as animals, that must obtain food from their environment.
  • In a hypertonic solution, water exits the cell, causing it to shrink and lose mass.
  • In a hypotonic solution, water enters the cell, causing it to swell and gain mass.
  • In an isotonic solution, water flows equally in both directions, maintaining the cell's size.
  • Lactic acid fermentation occurs in muscle cells during exercise, breaking down sugars to produce ATP.
  • Light energy is energy derived from the sun.
  • Osmosis is the diffusion of water across a selectively permeable membrane.
  • Passive transport involves the movement of ions or particles from high to low concentration areas without energy input.
  • Plasmolysis is the shrinking of a plant cell's cytoplasm and plasma membrane away from the cell wall due to water loss.
  • Photosynthesis is the process used by plants and some algae to convert sunlight into energy.
  • Selectively permeable membranes allow certain materials to pass through while blocking others.
  • Semipermeable membranes only allow some substances to pass through.
  • A solute is the substance that is dissolved in a solution.
  • A solution is a mixture of two or more substances, where one (the solute) dissolves in the other (the solvent).
  • A solvent is the substance in a solution that dissolves the solute.
  • Turgor pressure is the force exerted by water molecules against the cell wall.

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