Based on the most recent data available, the protist kingdom is:
a. paraphyletic.
b. monophyletic.
c. composed only of unicells.
d. composed of both eukaryotes and prokaryotes.
e. entirely microscopic.
A
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Genes for drug resistance may be present
A. on plasmids. B. on the chromosome. C. on mitochondrial DNA. D. both on the chromosome and on plasmids. E. both on plasmids and on mitochondrial DNA. F. both on the chromosome and on mitochindrial DNA.
The Southern blotting technique for transferring DNA from an agarose gel to a piece of nitrocellulose membrane is named for E. M. Southern, the person who developed the procedure.
Answer the following statement true (T) or false (F)
Four of the following were innovations that led to new adaptive zones. Select the exception
a. flight-capable wings in birds b. amniotic eggs in early reptiles c. Galápagos finches evolved to eat differently sized seeds d. sperm cells carried in pollen grains in seed plants e. silk glands in spiders
Is this statement true or false? The plasma membrane is the outermost component of all cells. Explain
Indicate whether the statement is true or false