NURSING ANM AND GNM

NURSING EXAM QUESTIONS

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following proteins are NOT matched with their correct description?
A
receptors-allows for cellular communication
B
channels-act as “hallways” to allow substances to enter and exit cells
C
antibodies-protect the body from invaders that can make it sick
D
hemoglobin-helps to clot the blood
Explanation: 

Detailed explanation-1: -As its name suggests, hemoglobin is composed of “heme” groups (iron-containing rings) and “globins” (proteins). In fact, hemoglobin is composed of four globin proteins-two alpha chains and two beta chains-each with a heme group. The heme group contains one iron atom, and this can bind one molecule of oxygen.

There is 1 question to complete.