The shaded group includes all of the species that were derived from one common ancestor, this group could also be called a(n)
A. polyphyetic taxon.
B. paraphyletic taxon.
C. phylum.
D. homology.
E. clade.
E. clade.
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Mitotic cell division in unicellular eukaryotes can result in a cell that is:
A. 1n. B. 2n. C. Either 1n or 2n, depending on whether the organism predominantly exists as a haploid cell or a diploid cell.
Why do geneticists refer to the two sugar phosphate strands of DNA as "antiparallel"?
What will be an ideal response?
Which repair mechanism is an error-prone system that uses bypass polymerases to replicate short segments of daughter strands whose normal replication is blocked by lesions in template strand DNA?
What will be an ideal response?
What is calmodulin?
a. a hormone b. a phosphatase c. a phospholipase d. a protein kinase e. a calcium-binding protein