16371523
Descripción
Test por Amine Nazih, actualizado hace más de 1 año
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Creado por Amine Nazih
hace casi 6 años
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Pregunta 1
Pregunta
Which of the following is TRUE of a cell membrane?
Respuesta
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Cell membranes allow ALL substances to pass through easily
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It is selectively permeable so only certain molecules can pass through it
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It acts more like a fluid than a solid because its molecules are constantly moving
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Cell membranes surround all animal, plant, and bacterial cells
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It is a bilayer composed mainly of phospholipids and proteins
Pregunta 2
Pregunta
The nucleus includes all of the following EXCEPT...
Respuesta
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cytoplasm
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nuclear envelope
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DNA
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nucleolus
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chromatin
Pregunta 3
Pregunta
Substances produced in a cell and exported outside of the cell would pass through...
Respuesta
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endoplasmic reticulum and Golgi apparatus
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mitochondria and Golgi apparatus
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nucleus and lysosomes
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vacuoles and mitochondria
Pregunta 4
Pregunta
Cells like muscle cells which require lots of energy would probably have many...
Respuesta
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nuclei
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flagella
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mitochondria
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lysosomes
Pregunta 5
Pregunta
Viruses, bacteria, and old organelles that a cell wants to get rid of are broken down in...
Respuesta
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ribosomes
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mitochondria
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rough ER
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lysosomes
Pregunta 6
Pregunta
Mitochondria store the energy released when they burn glucose as...
Respuesta
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DNA
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ATP
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SER
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RNA
Pregunta 7
Pregunta
The structures that synthesize proteins in cells are the...
Respuesta
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ribosomes
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Golgi apparatus
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lysosomes
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vacuoles
Pregunta 8
Pregunta
The folded inner membrane in mitochondria which increases surface area for
chemical reactions to take place is called the...
Respuesta
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thylakoids
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centrioles
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chromatin
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cristae
Pregunta 9
Pregunta
The dark spot seen in the nucleus in non-dividing cells where RNA for ribosomes is made is
called the...
Respuesta
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cristae
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nucleolus
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plastids
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cytosol
Pregunta 10
Pregunta
The cells organelles that are surrounded by DOUBLE MEMBRANES and contain their OWN DNA are the...
Respuesta
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nucleus, ER, and lysosomes
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nucleus, vacuoles, and chloroplasts
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nucleus, chloroplasts, and mitochondria
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ER, Golgi bodies, and vacuoles
Pregunta 11
Pregunta
What two molecules are used to make cell membranes?
Respuesta
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carbohydrates and glycogen
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polysaccharides and nucleic acids
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phospholipids and starch
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phospholipids and proteins
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nucleic acids and lipids
Pregunta 12
Pregunta
One difference between eukaryotes and prokaryotes is that...
Respuesta
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prokaryotes are surrounded by a cell membrane and eukaryotes are not
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prokaryotes have a nucleus and eukaryotes don't
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eukaryotes have DNA and prokaryotes don't
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eukaryotes have membranes around their nucleus and organelles and prokaryotes don't
Pregunta 13
Pregunta
Vacuoles are [blank_start]larger[blank_end] in plant cells than in animal cells.
Respuesta
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larger
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smaller
Pregunta 14
Pregunta
Cell membranes form because the hydrophobic tails on phospholipids try to [blank_start]stay away from[blank_end] water.
Respuesta
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be near
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stay away from
Pregunta 15
Pregunta
Which of the following organelles does the Endosymbiotic Theory suggest evolved from symbiotic relationships between prokaryotic cells?
Respuesta
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mitochondria
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Golgi bodies
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chloroplasts
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ribosomes
Pregunta 16
Pregunta
The substance that dissolves to make a solution is called the...
Respuesta
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diffuser
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solvent
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solute
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concentrate
Pregunta 17
Pregunta
During diffusion, molecules tend to move...
Respuesta
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up the concentration gradient
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down the concentration gradient
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from an area of lower concentration to an area of higher concentration
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in a direction that doesn't depend on concentration
Pregunta 18
Pregunta
When the concentration of a solute is the same throughout a system, the system has reached...
Respuesta
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maximum concentration
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homeostasis
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osmotic pressure
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equilibrium
Pregunta 19
Pregunta
The diffusion of water across a selectively permeable membrane through aquaporins is called...
Respuesta
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active transport
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pinocytosis
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osmosis
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phagocytosis
Pregunta 20
Pregunta
Phagocytosis, pinocytosis, and exocytosis are all kinds of [blank_start]active[blank_end] transport.
Respuesta
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active
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passive
Pregunta 21
Pregunta
Glucose enters most rapidly by...
Respuesta
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diffusion
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facilitated diffusion with a carrier protein
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facilitated diffusion through an ion channel
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phagocytosis
Pregunta 22
Pregunta
Energy for active transport comes from a cell's...
Respuesta
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Golgi complex
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nucleus
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mitochondria
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lysosomes
Pregunta 23
Pregunta
[blank_start]Active[blank_end] transport requires energy from ATP to move substances across membranes.
Respuesta
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Passive
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Active
Pregunta 24
Pregunta
White blood cells engulf, digest, and destroy invading bacteria using...
Respuesta
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facilitated diffusion
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pinocytosis
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phagocytosis
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osmosis
Pregunta 25
Pregunta
Endocytosis that brings in small dissolved molecules (solutes) and fluids is called...
Respuesta
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pinocytosis
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phagocytosis
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facilitated diffusion
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osmosis
Pregunta 26
Pregunta
Golgi bodies use [blank_start]exocytosis[blank_end] to transport molecules out of cells.
Respuesta
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ion channels
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phagocytosis
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pinocytosis
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exocytosis
Pregunta 27
Pregunta
The pressure exerted by water is called [blank_start]osmotic[blank_end] pressure.
Respuesta
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proton
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diffusion
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selectively permeable
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osmotic
Pregunta 28
Pregunta
Placing an animal cell in a hypotonic solution will cause water to...
Respuesta
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move into the cell
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move out of the cell
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