16. Which of the following lipids is the primary component in cell membranes? A)

Question

16. Which of the following lipids is the primary component in cell membranes?

A) Triglycerides B) phospholipids C) steroids D) Glycerol

17. Which of the following is true of the plasma membrane?

A) It only allows hydrophilic materials to pass through . B) It is a rigid, non-changing structure C) It controls the passage of substances into and out of the cell

D) Its capabilities are primarily determined by carbohydrates in the membrane

18. A theory can stand in absence of evidence (Not reviewed)?

A) Absolutely true . B) Absolutely false . C) Neither A nor B is correct . D) A and B are correct

19. Water is an organic molecule.

A) Absolutely true . B) Absolutely false . C) Neither A nor B is correct . D) A and B are correct

Explanation / Answer

16) The correct option is B. phospholipids.

The major components of membrane lipids are phospholipids, glycolipids and cholesterol.

17) The correct option is C. It controls the passage of substances into and out of the cell.

Plasma membrane is a layer of molecules, which surround the cell and separates it from the external surroundings. It regulates the passage of molecules and ions into or out of the cell.

18) The correct option is C. Neither A nor B is correct.

Theory refers to scientific explanation which is a well-confirmed by nature and consistent with scientific method. Therefore, evidence is required.

19) The correct option is B. Absolutely false.

Water(H2O) does not contain any carbon atom in its molecule. Therefore, water is an inorganic compound.

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.