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Questions and Answers

(1243 solutions)

Question

The nucleus, mitochondria, endoplasmic reticulum, and Golgi complex are examples of what type of organelles?

  • Extracellular

  • Non-membranous

  • Inorganic

  • Membranous


Answer: Membranous. ...

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Question

Rough ER is continuous with ______.

  • the Golgi apparatus

  • the nuclear membrane

  • microtubules

  • lysosomes


Answer: the nuclear membrane....

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Question

What are the three types of protein structures that contribute to the cytoskeleton?

  • Microfilaments 

  • Microtubules 

  • Intermediate filaments 

  • Cilia 

  • Microvilli 


Answer: Microfilaments, microtubules, and intermediate filaments....

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Question

Which of the following best defines chromatin?

  • Fine threads of DNA and protein

  • Folds of the inner membrane within mitochondria

  • Tubular structures forming the centrioles

  • Particles on the surface of rough endoplasmic reticulum


Answer: Fine threads of DNA and protein. ...

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Question

In which process does a secretory vesicle fuse with a cell membrane and release its contents into the extracellular space?

  • Phagocytosis

  • Exocytosis

  • Transcytosis

  • Pinocytosis


Answer: Exocytosis....

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Question

Which structure is perforated with pores to allow material to move in and out of the nucleus?

  • Rough endoplasmic reticulum

  • Mitochondrion

  • Nuclear envelope

  • Endoplasmic reticulum

  • Nucleolus


Answer: Nuclear envelope....

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Question

What are the three types of endocytosis?

  • Pinocytosis 

  • Diffusion 

  • Receptor-mediated 

  • Phagocytosis 

  • Osmosis 

Answer: Pinocytosis, receptor-mediated endocytosis, and phagocytosis. ...

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Question

Which organelle contains the cell’s chromosomes?

  • Rough ER

  • Golgi apparatus

  • Nucleus

  • Lysosomes

Answer: Nucleus....

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Question

Vesicular transport that releases material from the inside of the cell to the outside of the cell is called ______.


Answer: Exocytosis. ...

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Question

Which three organelles are not surrounded by membranes?

  • Mitochondria 

  • Centrosomes 

  • Ribosomes 

  • Centrioles 

  • Golgi complex 

  • Endoplasmic reticulum 

Answer: Centrosomes, ribosomes, and centrioles. ...

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