Which of the following is NOT a characteristic of
viruses?
a. Contains DNA or RNA genetic material.
b. Contains cytoplasm and ribosomes.
c. Has a protein coat.
d. Can only replicate inside a living host cell.
e. Is very small.
Answer: b
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Which of the following statements about DNA is FALSE?
A. One chromosome is made up of many DNA molecules. B. A eukaryotic genome is made up of many DNA molecules. C. A DNA double helix contains both covalent bonds and hydrogen bonds. D. A strand of DNA is made up of many nucleotides. E. All of these are TRUE.
Answer the following statements true (T) or false (F)
1. Temperature influences the solubility of gases in water. 2. All gases are equally soluble in water. 3. Fishes exhibit a method of ventilating their gills termed "tidal ventilation." 4. Mammals fill their lungs using a negative pressure mechanism. 5. The lungs of a bird expand as it inhales and contract as it exhales.
Colony collapse disorder of honeybees is thought to be related to ________
a. use of neonicotinoids b. all of the choices c. infection with Israeli acute paralysis virus d. habitat degradation
Four of the five viruses listed below are enveloped in
membrane from the host cell. Select the exception. a. adenoviruses b. influenzaviruses c. herpesviruses d. smallpox virus e. virus that causes AIDS