How are viruses classified by the ICTV?
a. By their DNA sequence
b. By their number of rRNA
c. By their structural components
d. By their host range and other characteristics
e. By the Linnaean binomial nomenclature system
d
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Four of the five items listed below are cytoplasmic
organelles. Select the exception. a. nucleolus b. mitochondrion c. ribosome d. Golgi body e. chloroplast
Choose the letter of the best match from the following:A. Abscisic acidB. TrichomesC. AquaporinD. EndodermisE. StomaReflects sunlight at leaf surface.
Fill in the blank(s) with the appropriate word(s).
What type of chemical bond is being broken when methane burns in oxygen?
A. Ionic B. Hydrogen C. Polar covalent D. Nonpolar covalent
Plants that are pollinated by insects probably do NOT produce allergy reaction in humans.
Answer the following statement true (T) or false (F)