How many neuronal connections are there in the human brain?
A) millions
B) 1 billion
C) 10 billion
D) 100 billion
E) trillions
Answer: E
Biology & Microbiology
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The fact that the helixes of the DNA strand are arranged in opposite directions gives DNA its _____ characteristics
A. antiparallel B. complementary C. redundant D. water-soluble
Biology & Microbiology
Organic molecules consist mostly of _____ atoms
a. carbon c. carbon and hydrogen b. carbon and oxygen d. carbon and nitrogen
Biology & Microbiology
Which of the following is a transfer of genes
between non-homologous chromosomes? a. crossing over b. aneuploidy c. trisomy d. translocation e. duplication
Biology & Microbiology
The changes that occur in infected or injured tissue (redness, swelling, heat, pain) are due to the process of:
A. phagocytosis B. clone formation C. fever D. inflammation
Biology & Microbiology