What is the metal ion in chlorophyll?
A. iron
B. magnesium
C. copper
D. zinc
E. sulfur
Answer: B
Biology & Microbiology
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__________ behavior is altered by experience. Fill in the blank(s) with the appropriate word(s)
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Some viruses can carry their genes as ________.
A. DNA B. RNA C. protein D. two of the above E. all of the above
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Describe the case of the child with no leptin
What will be an ideal response?
Biology & Microbiology
In most geological formations, younger rocks are layered over older rocks
Indicate whether the statement is true or false
Biology & Microbiology