The foramen ovale functions to:
a. permit blood to bypass the non-functional lungs in a fetus.
b. establish the basic heart rate.
c. prevent blood from flowing backward.
d. carry blood to the lungs.
e. transport poorly oxygenated blood.
A
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What continent was the starting point for the origination of humans?
A. Africa B. Asia C. Europe D. Australia E. North America
Plants and streptophyte algae share a number of derived traits, except
A. plasmodesmata. B. sexual reproduction. C. chlorophyll a and b. D. a distinctive type of cytokinesis. E. cellulose-rich cell walls.
After three replication cycles in PCR, there will be a total of three double-stranded DNA molecules.
Answer the following statement true (T) or false (F)
The idea of manipulating DNA through cutting and splicing, essential to the science of recombinant DNA technology, is not necessarily a new process since nature has been recombining DNA for billions of years
Indicate whether the statement is true or false