Covering only 6 percent of the land surface, tropical rain forests account for more than 50 percent of all known plant and animal species
Indicate whether the statement is true or false
TRUE
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Which statement concerning radioisotope 14C is
false? a. It can be substituted for 12C in glucose and the body will still be able to use the compound. b. It has a different number of protons than 12C. c. It has more neutrons than 12C. d. It behaves the same chemically as 12C. e. It has six carbons and eight neutrons.
rDNA is the portion of a genome that is involved in the production of ribosomal RNA
Indicate whether the statement is true or false
How does chemotherapy work as a treatment for cancer? Why is it not always effective?
What will be an ideal response?
Bactericidal drugs tend to target bacterial
A) cell walls, cell membranes, and nucleic acids. B) protein synthesis and nucleic acids. C) nucleic acids. D) cell walls and cell membranes. E) cell walls and enzyme activation.