Your favorite tree is dying, and you find that there is a fungal infection on its leaves. If you were to
look at the cells of the infected leaves of your tree, which of the following should you expect to find?
a. mycorrhizae
b. arbuscules
c. haustoria
d. both mycorrhizae and arbuscules
e. both mycorrhizae and haustoria
C
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________ is the name given to DNA characterization based upon digestion of DNA with specific restriction enzymes.
Fill in the blank(s) with the appropriate word(s).
Traditionally, an unknown bacterium is classified
based on all the following EXCEPT a. observable characteristics. b. shape. c. cell wall structure. d. metabolism. e. sexual partners.
Raw milk is a source of what kind of outbreaks?
A) Salmonella and Escherichia coli B) Staphylococcus aureus and Streptococcus pyogenes C) Pseudomonas aeruginosa and Enteroccus faecalis
Which of the following is found in eukaryotic cells but not in prokaryotic cells?
A. nucleus B. mitochondria C. endoplasmic reticulum D. lysosomes E. All of the choices are correct.