Each hemoglobin molecule
A. has one heme group.
B. contains two polypeptide chains.
C. transports four oxygen molecules.
D. has two iron atoms and two globin chains.
E. transports one oxygen molecule.
C
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Using the figure below, identify the labeled part.
1) Label Q: ______________________________
2) Label R: ______________________________
3) Label S: ______________________________
4) Label T: ______________________________
5) Label U: ______________________________
6) Label V: ______________________________
7) Label W: ______________________________
8) Label X: ______________________________
9) Label Y: ______________________________
Inability to move the lower body in bipeds or hind limbs in quadrapeds is called ________________________________________
Fill in the blank(s) with correct word
Which of the following matrix molecules in cartilage tends to trap large quantities of water?
A. Hyaluronic acid B. Chondrocytes C. Proteoglycan D. Collagen E. Elastin
While a neuron membrane is depolarizing its ________
A) sodium gates are partially open B) chloride gates are partially open C) chloride gates are fully open D) sodium gates are fully open E) potassium gates are fully open