Term
1. The first person to reportedly see living, moving cells using a microscope was
a. Robert Hooke.
b. Robert Brown.
c. Theodor Schwann.
d. Rudolf Virchow.
e. Anton van Leeuwenhoek. |
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One of the generalizations of the cell theory is that
a. all cells have a nucleus.
b. all cells divide by meiosis.
c. all living organisms are made up of cells.
d. cells arise through spontaneous generation.
e. growth is solely the result of cell division. |
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Definition
c. all living organisms are made up of cells. |
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Term
The idea that all living cells came from preexisting living cells was proposed by
a. Robert Hooke.
b. Robert Brown.
c. Theodor Schwann.
d. Rudolf Virchow.
e. Anton van Leeuwenhoek. |
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Term
Which of these cell features is absent in a bacterial cell?
a. plasma membrane
b. nucleoid
c. cytoplasm
d. nucleus
e. DNA |
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Definition
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Term
Which of the following is the primary advantage of the eukaryotic nuclear envelope?
a. providing residence for ribosomes
b. allowing isolation of DNA from cytoplasmic machinery
c. providing pore entry places
d. enabling faster cell division
e. enabling larger cell size |
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Definition
b. allowing isolation of DNA from cytoplasmic machinery |
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Term
Organelles composed of a system of canals, tubes, and sacs that transport molecules inside the cytoplasm are
a. Golgi bodies.
b. ribosomes.
c. mitochondria.
d. lysosomes.
e. endoplasmic reticula. |
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Definition
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Which of the following are the primary cellular assembly sites for the production of proteins?
a. Golgi bodies
b. ribosomes
c. mitochondria
d. lysosomes
e. smooth endoplasmic reticula |
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Definition
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Term
Which of the following cell organelles is responsible for disposal of hydrogen peroxide?
a. Golgi bodies
b. ribosomes
c. mitochondria
d. lysosomes
e. peroxisomes |
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Definition
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Term
Which of the following contain enzymes used in the breakdown of glucose (respiration) and generation of ATP?
a. Golgi bodies
b. ribosomes
c. mitochondria
d. lysosomes
e. endoplasmic reticula |
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Definition
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Term
Which of the following is thought to be the descendant of engulfed ancient bacteria?
a. nuclei
b. Golgi bodies
c. ER
d. mitochondria
e. lysosomes |
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Definition
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Term
Which of the following is NOT used as evidence that mitochondria and chloroplasts may have arisen according to the endosymbiotic relationship?
a. They can live an independent existence when isolated from a cell.
b. They possess their own type of DNA different from that found in the nucleus.
c. They possess their own ribosomes.
d. They have their own membranes and are the same size as bacteria.
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Definition
a. They can live an independent existence when isolated from a cell. |
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Term
In contrast to the membrane of the nucleus, the double membrane of a mitochondrion
a. is riddled with holes.
b. is not permeable.
c. creates two compartments.
d. separates DNA from cytoplasm.
e. has two lipid bilayers. |
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Definition
c. creates two compartments. |
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Term
Starch is stored in which of the following?
a. amyloplast.
b. Golgi bodies.
c. lysosomes.
d. microvilli.
e. any of the above |
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Definition
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Term
Large, centrally located fluid-filled sacs that may store food, ions, or water in cells are called
a. plastids.
b. vacuoles.
c. microvilli.
d. nucleoli.
e. Golgi bodies. |
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Definition
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Term
Structural features that contain ttwo chains of actin twisted together and help to control the shapes of cells are
a. plastids.
b. vacuoles.
c. microvilli.
d. nucleoli.
e. microfilaments. |
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Definition
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Term
The organelle that is compared to a whip is a
a. microfilament.
b. intermediate filament.
c. microvillus.
d. flagellum.
e. microtubule. |
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Definition
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Term
The centrosome of a cell
a. gives rise to the spindle microtubules. b. is a type of microtubule organizing center.
c. is located near the nucleus.
d. gives rise to the spindle microtubules and is a type of microtubule organizing center.
e. gives rise to the spindle microtubules, is a type of microtubule organizing center, and is located near the nucleus.
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Definition
e. gives rise to the spindle microtubules, is a type of microtubule organizing center, and is located near the nucleus.
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Term
Which of the following is NOT found as a part of all cells?
a. cell membrane
b. cell wall
c. ribosomes
d. DNA
e. RNA |
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Definition
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Term
Which of the following junctions permit(s) cytoplasmic interconnections between cells?
a. gap junctions
b. plasmodesmata
c. adhering junctions
d. only gap junctions and plasmodesmata.
e. gap junctions, plasmodesmata, and adhering junctions. |
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Definition
d. only gap junctions and plasmodesmata. |
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Term
Prokaryotic cells do NOT have
a. ribosomes.
b. membrane-bound nuclei.
c. cytoplasm.
d. a plasma membrane.
e. ribosomes or membrane-bound nuclei. |
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Definition
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Term
A mutant bacterial strain without ribosomes would be incapable of
a. carbohydrate synthesis.
b. respiration.
c. DNA programming.
d. protein synthesis.
e. diffusion. |
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Definition
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Term
Four of the five statements listed below are portions of a well-known theory. Select the exception.
a. Cells are the structural and functional components of living things.
b. Cells arise from preexisting cells.
c. All organisms are composed of cells.
d. Cells are the basic living unit of organization of living things.
e. All cells have a nucleus. |
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Definition
e. All cells have a nucleus. |
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Term
Four of the five answers listed below are organelles found in eukaryotic cells. Select the exception.
a. mitochondrion
b. Golgi body
c. nucleoid
d. lysosome
e. vacuole |
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Definition
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Term
Four of the five answers listed below are bound by membranes. Select the exception.
a. mitochondrion
b. ribosome
c. chromoplast
d. vacuole
e. lysosome |
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Definition
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