While digging in your vegetable garden, you accidentally slice a thick root in half with your trowel, and find yourself looking at a bold X shape in the middle of the root. What can you say about the plant this root belonged to?
a. It was probably a monocot.
b. It was probably an epiphyte.
c. It was probably a dicot.
d. It was probably a weed.
c. It was probably a dicot.
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The virulence factors of a pathogen are determined by how strong or weak a patient's body defenses are at the time of infection.
Answer the following statement true (T) or false (F)
Epithelial tissue covers or lines body surfaces or cavities.
a. true b. false
Retroviruses make ____ by the process of ____
a. RNA copies of DNA; reverse transcription b. DNA copies of RNA; reverse transcription c. genetic probes; Southern blotting d. genetic probes; Northern blotting e. telomerase; mutagenesis
The monomer of a nucleic acid is called a (nucleoside/nucleotide/base).
Fill in the blank(s) with the appropriate word(s).