Meiotic cell division replicates a cell's DNA ____________ and then divides ______________.
a)twice, once
b)once, twice
c)twice, twice
d)once, once
e)None of the answers are correct.
b)once, twice
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Septicemic plague usually causes death before a diagnosis can be made
Indicate whether the statement is true or false.
Midocean ridges form:
a. anywhere in the middle of the ocean. b. in subduction zones. c. where oceanic crust is cracked and magma is emerging. d. in deep ocean trenches.
Which preservative is used to prevent the growth of mold in dried fruits, juices, and wines?
A) Nitrites B) Sulfite C) Salt D) Ethylene oxide
Answer the following questions true (T) or false (F)
1. Most hominin evolution took place in south Africa and Australia. 2. A paleoanthropologist studies the development of ancient human culture. 3. The closest living primate relative to humans is the gorilla.