BIOL 1107 Study Guide - Quiz Guide: Cellular Respiration, Endergonic Reaction, Ender Wiggin

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28 Sep 2022

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UConn

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Biology

Course

BIOL 1107

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Name: yang zhang: explain how water would move across the cell membrane in each of the following situations. Assume the membrane is permeable only to water in each case: the cell is hypertonic relative to the extracellular fluid. Water will leave the cell: the cell is hypotonic relative to the extracellular fluid. Water will enter the cell: the extracellular fluid is hypertonic relative to the cell. Water will not move: the extracellular fluid is hypotonic relative to the cell. Like all other eukaryotes, human cells have membrane-bound organelles and well-defined nuclei: list features that all cells have in common. Dna ribosomes: explain what is happening during atp hydrolysis. Use the words water, covalent bond, and one of the gonic words (ender- or exer-) in your answer: define oxidation and reduction. Reduction is the partial or full gain of electrons to a substance.

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1,Match the descriptions to the type of transport.

- A. B. C.	Water enters a cell because it is hypertonic compared to the extracellular environment, increasing its turgor pressure
- A. B. C.	Water enters guard cells because the guard cells are hypertonic compared to the surrounding cells
- A. B. C.	Potassium ions are pumped into guard cells
- A. B. C.	The motor cells of a Venus fly trap are hypotonic compared to surrounding cells, causing water to leave the motor cells
- A. B. C.	Sugar is loaded into the phloem

A.	Both active and passive transport
B.	Passive Transport
C.	Active transport

2,Describe what is wrong with the following statement and explain why:

All prokaryotic and eukaryotic cells contain plasma membrane, nucleus, ribosomes, organelles, cytoplasm, and cell walls.

What is short-distance transport?

	a,	The movement of solutes from a region of low concentration to a region of high concentration
		b,The movement of water, nutrients, and other substances between cells
c,		The movement of substances from a region of high concentration to a region of low concentration
d,		The movement of water across a semipermeable membrane from a region of low solute concentration to a region of high solute concentration.

What terms describe the movement of water across a semipermeable membrane from a region of high water concentration towards a region of low water concentration (and high solute concentration.)

What is found in the proptoplasm?

Cell wall, cytoplasm, plasma membrane, nucleus, and other cell organelles

Plasmodesmata, cell wall, and plasma membrane

Cell wall, cytoplasm, and plasma membrane

Cytoplasm, nucleus, and other cell organelles

The channels that allow nutrients and protoplasm to pass between plant cells are called _________________.

What happens when a plant cell is placed in a hypotonic solution?

Water will enter the plant cell and the plasma membrane will swell and cell lysis will occur

Water will leave the plant cell and the plasma membrane will pull away from the cell and plasmolysis will occur

Water will enter the plant cell and the plasma membrane will swell and push against the cell wall

Water will leave the plant cell and the plant cell will lose turgor pressure, causing the plant to wilt

________________ transport uses cellular energy.

What molecules make plasma cell membranes hydrophilic on the outside and hydrophobic on the inside?

What type of cells do plants have?

		Bacterial
		Archaeic
		Eukaryotic
		Prokaryotic

Mr. Smith suffering from renal failure, characterized by a gradual decrease in his kidneys's ability to perform their normal functions. Over the past few months, blood test have indicated an increasing concentration of urea in his blood, which is a sign that the concentration of urea in the extracellular fluid membrane into the toxic waste produced inside cells, diffuses across the plasma membrane into the extracellular fluid. The kidneys eliminate excess urea in the urine. Explain why the extracellular concentration of urea is increasing, and predict how the intracellular concentration of urea is changing.

Two (2) liters of a hypotonic 0.5% NaCl solution is infused intothe extracellular fluid compartment of a 40 Kg dog with initialplasma osmolarity = 300 milliosmoles/liter. After equilibration,what will the extracellular fluid volume, intracellular fluidvolume, and plasma osmolarity be? Molecular weight of NaCl =58.5

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BIOL 1107 Study Guide - Quiz Guide: Cellular Respiration, Endergonic Reaction, Ender Wiggin

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