Which of the following allows materials to diffuse
into body cells and allows organs to grow larger and
move more freely?
a. a coelom
b. mesoderm
c. a mantle
d. a water-vascular system
e. a saclike gut
Answer: a
You might also like to view...
Around what percentage of all genes encode membrane proteins?
A. 0% B. 10% C. 25% D. 50% E. 75%
The breakdown of glucose to pyruvate by a cell is an example of a(n) ________ reaction.
A) anabolic B) aerobic C) catabolic D) amphibolic E) synthesis
Renin stimulates the secretion of aldosterone
Indicate whether the statement is true or false
Which of the following cells is matched to an incorrect function?
A. Neutrophil-important antigen-presenting cell B. Macrophage-phagocytic cell C. Monocyte-precursor of macrophage D. Plasma cells-secrete immunoglobulins E. Natural killer cells-kill virus-infected and tumor cells