Questão 1
Questão
What are the four tenets of the cell theory?
Responda
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Every living organism consists of one or more cells
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Cells arise spontaneously from abiotic factors.
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All living cells arise by division of preexisting cells.
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The cell is the smallest unit of life.
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Cells pass genetic information to their offspring when they divide.
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Atoms contain cells so they are considered biotic.
Questão 2
Questão
Cellular membranes are made up of which type of molecule?
Responda
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Proteins
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Nucleic Acids
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Phospholipids
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Enzymes
Questão 3
Questão
Most cells are very small because their cell size is limited by the surface-to-volume ratio.
Questão 4
Questão
What type of microscopy image is shown?
Questão 5
Questão
What type of microscopy image is shown?
Questão 6
Questão
What type of microscopy image is shown?
Questão 7
Questão
Cell membranes are called a fluid mosaic because... (check all that apply
Questão 8
Questão
Semi-permeable means that any material can pass into and out of a cell.
Questão 9
Questão
Which type of cell lacks a nucleus?
Responda
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Prokaryotic cell
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Eukaryotic cell
Questão 10
Questão
If you found a cell that was very small what type of cell would you expect it to be? Would you expect it to have a nucleus?
Responda
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Prokaryote; Yes
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Prokaryote; No
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Eukaryote; Yes
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Eukaryote; No
Questão 11
Questão
What is an organelle?
Responda
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Small compartments that carries out the cells metabolic functions
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Small organs that give the cell energy
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Small compartments that can eliminate wastes from a cell
Questão 12
Questão
#7 label on the cell is....
Questão 13
Questão
#3 label on the cell is....
Questão 14
Questão
#5 label on the cell is....
Questão 15
Questão
The net movement of molecules or ions into an adjoining region where they are not as concentrated.
Responda
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Gradient
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Concentration
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Diffusion
Questão 16
Questão
The gradual change in the concentration of solutes between two regions.
Responda
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Gradient
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Concentration
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Diffusion
Questão 17
Questão
A dissolved substance
Responda
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Solute
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Solvent
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Concentration
Questão 18
Questão
When the substance’s concentration is uniform through all regions.
Responda
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Diffusion
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Equilibrium
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Gradient
Questão 19
Questão
Liquid that can dissolve other substances
Responda
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Solute
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Solvent
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Concentration
Questão 20
Questão
Amount of solute in a given amount of solvent
Responda
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Concentration
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Gradient
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Solution
Questão 21
Questão
If an amoeba (uni-cellular, no cell wall, typically found in ponds) was placed in ocean water, what might happen to it?
Questão 22
Questão
If you placed red blood cells in distilled water, what might happen to them?
Questão 23
Questão
How could you use osmosis to revive some droopy carrot sticks?
Responda
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Repot them in fresh soil
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Water them
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Fertilize them with salt
Questão 24
Questão
Passive transport requires the use of ATP to move things from low concentrations to high concentrations.
Questão 25
Questão
Active Transport requires the use of ATP in order to move ions ______________ the concentration gradient.
Questão 26
Questão
The calcium and the sodium-potassium pumps are examples of...
Responda
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Facilitated diffusion
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Osmosis
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Active Trasnport
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Passive Transport
Questão 27
Questão
#1 label is the...... structure
Responda
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Nucleus
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Chloroplast
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Cell Wall
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Central vacuole
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Vesicle
Questão 28
Questão
#4 label is the ........ structure
Responda
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Nucleus
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Cell Wall
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Chloroplast
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Central Vacuole
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Vesicle
Questão 29
Questão
Label the microscope: #1
Responda
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Arm
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Ocular lens
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Objective lens
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Diaphragm
Questão 30
Questão
Label the microscope: #9
Responda
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Condensor
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Ocular lens
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Nosepiece
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Stage