Oxygen has an atomic mass of 16 and an atomic number of 8. How many neutrons are present?
A. 4
B. 24
C. 16
D. 8
Answer: D
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Aflatoxin is a potent carcinogen produced by certain bacteria
Indicate whether this statement is TRUE or FALSE.
The viral chromosome of a bacteriophage can never integrate into the host bacterium's chromosome
Indicate whether the statement is true or false
In an egg, the ____ pole typically gives rise to surface structures and the anterior end of the embryo while the ____
pole gives rise to internal structures such as the gut and the posterior end of the embryo.
a. cleavage; gastrulation b. gastrulation; animal c. animal; vegetal d. cleavage; embryonic e. vegetal; animal
What is responsible for voluntary movement?
A) conscious thought and cardiac muscle B) conscious thought and striated muscle C) conscious thought and smooth muscle D) unconscious thought and smooth muscle