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Author Question: The ion transporter that moves Na+ and Ca2+ simultaneously in the same direction is an example of ... (Read 72 times)

audie

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on: Jun 25, 2018
The ion transporter that moves Na+ and Ca2+ simultaneously in the same direction is an example of which of the following types of transport?
 
  a. Biport
  b. Uniport
  c. Antiport
  d. Symport

Question 2

During which process are bacteria engulfed for ingestion?
 
  a. Endocytosis
  b. Pinocytosis
  c. Phagocytosis
  d. Exocytosis


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epscape

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: D
When ions are transported in one direction, it is termed symport. There is no such term as biport. Uniport refers to the movement of a single molecule. Antiport refers to the movement of mole-cules in the opposite direction.

Answer to Question 2

ANS: C
Phagocytosis (cell eating) involves the ingestion of large particles, such as bacteria, through the formation of large vesicles. Endocytosis involves the formation of vesicles to facilitate movement into the cell. Pinocytosis is a type of endocytosis in which fluids and solute molecules are in-gested through the formation of small vesicles. Exocytosis occurs when coated pits invaginate and internalize ligand-receptor complexes in coated vesicles.


audie

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Reply 2 on: Jun 25, 2018
Wow, this really help

ghepp

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Reply 3 on: Yesterday
Excellent

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