Which of the Following Is the Correct Way to Open

question 5

Multiple Choice

Which of the following is the correct way to open a file named users.txt in 'r' mode?

• A) infile = open('r', users.txt)
• B) infile = read('users.txt', 'r')
• C) infile = open('users.txt', 'r')
• D) infile = readlines('users.txt', r)

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Definitions:

Sodium-Potassium Pump

A cellular mechanism that uses ATP energy to transport sodium ions out of the cell and potassium ions into the cell, crucial for maintaining cell potential.

Parathyroid Hormone

A hormone produced by the parathyroid glands that regulates calcium levels in the blood, critical for bone metabolism, nerve function, and muscle contractions.

Osteoclast

Large, multinucleated cell that absorbs bone.

Metabolic Pathways

Sequences of enzymatic reactions where one substrate is converted into another, allowing cells to perform vital functions.