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Q 1/31
Score 0
A microscope in which visible light is passed through the specimen and then through glass lenses, which bend the light in such a way that the image of the specimen is magnified
30
Light microscope
Q 2/31
Score 0
the membrane-enclosed structures within eukaryotic cells
30
Organelles
31 questions
Q.
A microscope in which visible light is passed through the specimen and then through glass lenses, which bend the light in such a way that the image of the specimen is magnified
1
30 sec
Q.
the membrane-enclosed structures within eukaryotic cells
2
30 sec
Q.
A microscope that focuses a beam of electrons through a specimen or onto its surface
3
30 sec
Q.
A cell in which the DNA is in an organelle called the nucleus, which is bounded by a double membrane
4
30 sec
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A cell in which the DNA is concentrated in the nucleoid, a region that is not bounded by a membrane
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30 sec
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The contents of the cell enclosed by the plasma membrane; in eukaryotes, the portion exclusive of the nucleus
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30 sec
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The boundary of every cell, which functions s a selective barrier that allows the passage of enough oxygen, nutrients, and wastes to service the entire cell
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30 sec
Q.
The organelle that contains most of the genes in the eukaryotic cell
8
30 sec
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The membrane that encloses the nucleus, separating its contents from the cytoplasm
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30 sec
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structures that carry the genetic information
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the complex of DNA and its associated proteins
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30 sec
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a prominent structure within the nondividing nucleus; the place where ribosomal RNA (rRNA) is synthesized from instructions in the DNA
12
30 sec
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Complexes made of ribosomal RNA and protein; the cellular components that carry out protein synthesis
13
30 sec
Q.
The collection of membranes inside and surrounding a eukaryotic cell, related either through direct physical contact or by the transfer of membranous vesicles; includes the plasma membrane, the nuclear envelope, the smooth and rough endoplasmic reticulum, the Golgi apparatus, lysosomes, vesicles, and vacuoles
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sacs made of plasma membrane, which help transport substances around the cell
15
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Functions in the synthesis of lipids, metabolism of carbohydrates, detoxification of drugs and poisons, and storage of calcium ions; does not have ribosomes embedded in its membrane
16
30 sec
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A place in the cell into which many proteins are synthesized, which allows for the proper folding and chemical modifications of the protein; outer surface of the membrane is studded with ribosomes
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30 sec
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A membranous organelle that acts as a warehouse for receiving, sorting, and shipping molecules; synthesizes many polysaccharides
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30 sec
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A membranous sac of hydrolytic enzymes that an animal cell uses to digest macromolecules
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30 sec
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A cell engulfing smaller organisms or food particles for digestion
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30 sec
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Large vesicles derived from the endoplasmic reticulum and Golgi apparatus
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30 sec
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A vesicle that pumps excess water out of the cell, thereby maintaining a suitable concentration of ions and molecules inside the cell
22
30 sec
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Usually found in plant cells, a large vesicle which contains the cell's main repository of inorganic ions and water
23
30 sec
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The sites of cellular respiration in cells, the metabolic process that uses oxygen to generate ATP by extracting energy from sugars, fats, and other fuels
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30 sec
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The sites of photosynthesis found in plants and algae
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This theory states that an early ancestor of eukaryotic cells engulfed an oxygen-using non-photosynthetic prokaryotic cell, and they formed an interdependent relationship
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30 sec
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A network of fibers extending throughout the cytoplasm that aid in organizing the structures and activities of the cell
27
30 sec
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A pair of structures located at right angles to one another; one pair of centrioles is found in each centrosome
28
30 sec
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An arrangement of microtubules that usually occur in large numbers on the cell surface, and can aid in the movement of the cell; shorter than flagella
29
30 sec
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An arrangement of microtubules that can aid in the movement of a cell; longer than cilia and usually fewer are found on a single cell than with cilia
30
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An extracellular structure of plant cells that distinguishes them from animal cells; protects the cell and helps it maintain shape