Antibodies are
a. a type of globin protein
b. classified as alpha globulins
c. produced by B lymphocytes
d. all of the above
e. both b and c
C
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The walls of the alveoli are composed of two types of cells, type I and type II alveolar cells. The function of type II alveolar cells is to ________
A) replace mucus in the alveoli B) protect the lungs from bacterial invasion C) trap dust and other debris D) secrete surfactant
Using Figure 6.1, match the following bone types with the numbered structure:
A. Long
B. Short
C. Flat
D. Irregular
E. Sesamoid
1) Bone 1.
2) Bone 2.
3) Bone 3.
4) Bone 4.
5) Bone 5.
6) Bone 6.
7) Bone 7.
Opening a chemically-gated ____________________ channel or ____________________ channel will increase the membrane potential of a plasma membrane
Fill in the blank(s) with correct word
All of the following are reasons why some hormones need assistance to travel in the blood except
A. they are easily filtered from the blood into the kidney tubules. B. they are small enough to be easily digested by blood enzymes. C. they cannot dissolve in the blood because they are water-soluble. D. they have low solubility in blood plasma due to their chemical nature.