Which early scientist proposed that cells arise only from pre-existing cells?
a. Theodor Schwann
b. Robert Brown
c. Matthias Schleiden
d. Rudolf Virchow
Ans: d. Rudolf Virchow
Biology & Microbiology
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Females almost always have a lower parental investment than males
Indicate whether the statement is true or false.
Biology & Microbiology
Which is the predominant second messenger
involved in regulating glucose metabolism?
a. ATP b. ADP c. mRNA d. cAMP e. NADH
Biology & Microbiology
The ________ zone is also known as the shallow subtidal zone
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
According to the data shown in the accompanying figure, the reduction in reproduction rates most closely correlates with a corresponding reduction in survival in ________
A) female collared flycatchers B) male red deer C) female red deer D) fruit flies
Biology & Microbiology