The passive process that involves the movement of water through aquaporins is ________.
A) facilitated diffusion
B) endocytosis
C) solute pumping
D) osmosis
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Question 2) ________ is defined as the movement of air into and out of the lungs.
A) External respiration
B) Gas transport
C) Pulmonary ventilation
D) Internal respiration
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Question 3) Place the following steps of protein synthesis and export from the cell in the proper order. 1. The protein folds into its functional shape. 2. The transport vesicle travels to the Golgi apparatus for further processing. 3. The protein is packaged in a transport vesicle. 4. The protein is synthesized on the ribosome as it migrates through the rough ER.
A) 1, 3, 2, 4
B) 4, 1, 2, 3
C) 1, 3, 4, 2
D) 4, 1, 3, 2
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Question 4) The arrangement of airways in the lungs most closely resembles ________.
A) a circle
B) a tree
C) a light pole
D) the letter Y
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Question 5) The membrane connections that prevent the leaking of fluid between cells are called ________.
A) gap junctions
B) tight junctions
C) desmosomes
D) microvilli
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Question 6) Identify the airway type based on this description: The airway type is lined with squamous epithelium, cartilage is absent, goblet cells are absent, and ciliated cells are absent.
A) bronchiole
B) alveoli
C) trachea
D) primary bronchus
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Question 7) The organelle responsible for making the majority of ATP in a cell is the ________.
A) Golgi apparatus
B) mitochondrion
C) rough endoplasmic reticulum
D) lysosome
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Question 8) Identify the airway type based on this description: The airway type is lined with pseudostratified columnar epithelium, cartilage is present, goblet cells are present, and ciliated cells are present.
A) bronchiole
B) primary bronchus
C) terminal bronchiole
D) alveolar duct
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Question 9) The phospholipid tails are ________, which make the plasma membrane impermeable to water.
A) water-loving
B) hydrophilic
C) polar
D) hydrophobic
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Question 10) What criteria might an observer use to distinguish between a bronchiole and a bronchus?
A) A bronchiole is lined by columnar epithelium.
B) Cartilage is present in bronchioles but not in bronchi.
C) Cartilage is present in bronchi but not in bronchioles.
D) A bronchus is lined by cuboidal epithelium.
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