The total cross-sectional area of the alveoli is about the size of a textbook.
Answer the following statement true (T) or false (F)
False
The total cross-sectional area of the alveoli is about the size of a tennis court.
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The fertilized egg is totipotent, whereas the cells from the inner cell mass, called embryonic stem cells, are pluripotent. Only the embryonic stem cells can give rise to the entire organism
A. true B. false
Estuaries in which river flow is strong and prevents the flow of seawater upstream are called:
a. fjords. b. salt-wedge estuaries. c. well-mixed estuaries. d. tectonic estuaries. e. drowned river valleys.
After ATP donates a phosphate group to a coupled reaction, then it becomes ADP. The ADP
A. can be converted in an exergonic reaction to form ATP. B. is a waste product that will be broken down. C. will be reduced to AMP amd eliminated from the cell. D. can be destroyed by an ATPase enzyme. E. can be recharged in an endergonic reaction to form ATP.
State the difference between a transgenic animal and a cloned animal.
What will be an ideal response?