2) Which of the following molecules are major components of biological membranes

Question

2) Which of the following molecules are major components of biological membranes ? 3)which of the following is an example of long distance signaling? A)endocrine B)paracrine C)Synaptic D) a & b E)A, B, and C QUESTION 1 The movement of oxygen across the plasma membrane is an example of O diffusion active transport co-transport A & B A, B, & C QUESTION 2 which of the following types of molecules are major components of biological membranes? Proteins B. Phospholipids C. DNA. D. A & B A, B, & C

Explanation / Answer

1. (a) Diffusion.

Movement of Oxygen through plasma membrane occurs from a region of high concentration of Oxygen to lower concentration by diffusion.

2. (D) A and B

The biological membranes have phospholipid bilayer structure with proteins embedded into it.

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