Which of the following is the smallest unit of an element that still retains the properties of the element?
A) the electron
B) the cell
C) the atom
D) zthe molecule
E) the proton
Answer: C) the atom
Biology & Microbiology
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Explain how species that are not closely related can look or behave so similarly. Give an example
What will be an ideal response?
Biology & Microbiology
Probes can come from a variety of sources, such as ____________________
a. single-stranded RNA templates b. histones from other species c. artificially engineered gene sequences d. related genes from other species e. unrelated genes from other species
Biology & Microbiology
Which is the gametophyte form of most liverworts?
a. a seta b. gemmae c. a thallus
d. a frond e. a prothallus
Biology & Microbiology
Which of the following molecules is NOTÂ considered a porphyrin?
A. Chlorophyll B. Vitamin B12 C. Hemoglobin D. Peptidoglycan
Biology & Microbiology