A virus differs from a bacterium in that a virus ________
A) develops resistance to antibiotics
B) is not a living organism
C) causes pneumonia
D) does not have DNA or RNA
B
Biology & Microbiology
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A double stranded DNA strand contains 26 pyrimidines. How many purines will the copied strand contain?
A. 0 B. 13 C. 26 D. 52
Biology & Microbiology
The endoplasmic reticulum is composed of flattened sacs called
A. vacuomes. B. cristae. C. thylakoids. D. cisternae.
Biology & Microbiology
The first enzymes were probably:a
protein reproducing enzymes. b. RNA degrading enzymes. c. DNA synthesis enzymes. d. ribozymes. e. RNA synthesis enzymes
Biology & Microbiology
Draw a diagram of a typical neuron, label its parts, and list the function of each labeled structure. What will be an ideal response?
Biology & Microbiology