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Since cyanobacteria do not contain chloroplasts and yet they photosynthesize, chloroplasts are not required for photosynthesis.

A) True
B) False

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When viewed through a microscope, one characteristic of living cells is that their internal structures move. Which two organelles are most directly responsible for this motion we see?


A) cell membrane and nucleus
B) ribosomes and endoplasmic reticulum
C) centrioles and cell wall
D) mitochondria and cytoskeleton
E) chloroplasts and lysosomes

F) C) and E)
G) None of the above

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A compound would make a good antibiotic if it affects a structure or process only found in bacterial cells and not in our eukaryotic cells. Which of the following actions would theoretically make a good antibiotic?


A) prevents repair of the peptidoglycan cell wall
B) damages the nuclear membrane
C) damages DNA
D) prevents ribosomes from producing proteins
E) stops cellular respiration

F) D) and E)
G) A) and C)

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Which of the following cells were most likely the first type of cells on Earth?


A) bacteria
B) fungi
C) archaea
D) plants
E) animals

F) None of the above
G) A) and E)

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Which of the following is a correct association of cell organelles and function?


A) lysosome-anchoring cell organelles
B) mitochondrion-photosynthesis
C) nucleolus - storage of DNA
D) cell wall-regulate molecule passage in and out of animal cells
E) vacuole-storage of chemicals

F) A) and B)
G) A) and E)

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Which type of cells will have modifications that increase the surface-area-to-volume ratio?


A) cells that specialize in absorption
B) cells that specialize in gas exchange
C) cells that secrete proteins
D) cells that secrete lipids
E) cells that form a waterproof barrier

F) A) and C)
G) A) and B)

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Tissues that produce large amounts of secretions, such as the gastric glands of the stomach, contain cells with large numbers of


A) lysosomes.
B) nucleoli.
C) centrioles.
D) mitochondria.
E) Golgi apparatus.

F) B) and E)
G) A) and B)

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Cellular respiration is most closely associated with the


A) Golgi apparatus.
B) ribosome.
C) mitochondrion.
D) chloroplast.
E) microtubule.

F) A) and B)
G) A) and E)

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Which organelle primarily functions to package or regulate the production of H2O2?


A) lysosome
B) vacuole
C) Golgi apparatus
D) endoplasmic reticulum
E) peroxisome

F) C) and D)
G) B) and E)

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Microtubules


A) are composed mostly of lipid.
B) form a spindle that distributes chromosomes in an orderly manner.
C) may be associated with metabolism.
D) are found in the nucleus.
E) are composed of actin.

F) B) and E)
G) A) and E)

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The "powerhouse" of the cell is the


A) chloroplast.
B) mitochondrion.
C) Golgi apparatus.
D) ribosome.
E) centriole.

F) None of the above
G) A) and B)

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Kinesin and dynein are associated with


A) microtubules.
B) actin filaments.
C) Golgi apparatus.
D) intermediate filaments.
E) endoplasmic reticulum.

F) A) and C)
G) A) and B)

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The cell theory states


A) all organisms are composed of only one cell.
B) organelles are the basic living unit of structure and function of organisms.
C) all organisms are composed of cells.
D) all organisms are composed of only one cell AND organelles are the basic living unit of structure and function of organisms.
E) all multicellular organisms are unicellular at some point in their life cycle.

F) C) and D)
G) A) and E)

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Tay-Sachs is a serious childhood metabolic disorder where ________ fail to digest certain lipids.


A) lysosomes
B) nucleoli
C) mitochondria
D) Golgi apparatus
E) centrioles

F) None of the above
G) A) and B)

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Which of these is mismatched?


A) cilia-microtubules
B) centrioles-spindle
C) mitochondria-stroma
D) lysosomes-hydrolytic enzymes
E) ribosomes-RNA

F) A) and E)
G) A) and D)

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What evidence would suggest that the fluid in the nucleus is different from the cytoplasm?


A) There is no pH difference between the two fluids.
B) Nucleoplasm flows freely back and forth between the nucleus and the cytoplasm.
C) Nuclear pores only permit passage of certain molecules into and out of the nucleus.
D) Light microscopy reveals no differences between the fluid within the nucleus and the fluid outside of the nucleus.

E) A) and B)
F) A) and C)

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Ribosomal RNA is produced in the


A) nucleolus.
B) Golgi apparatus.
C) ribosomes.
D) rough endoplasmic reticulum.
E) smooth endoplasmic reticulum.

F) B) and C)
G) B) and D)

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Compared with a eukaryotic cell, a prokaryotic cell


A) lacks organelles beyond ribosomes.
B) is larger.
C) does not require energy.
D) is not living.
E) has no method of movement.

F) B) and E)
G) A) and B)

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Which organelle has 13 rows of tubulin dimers around an empty central core?


A) flagella
B) microtubules
C) actin filaments
D) intermediate filaments
E) cilia

F) None of the above
G) A) and D)

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Proteins are processed and modified in the interior of the


A) mitochondria.
B) nucleus.
C) chloroplasts.
D) rough endoplasmic reticulum.
E) smooth endoplasmic reticulum.

F) D) and E)
G) A) and C)

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