There are, currently, approximately how many named extant species of plants?
a. 12,000 d. 1,200,000
b. 120,000 e. 2,600,000
c. 260,000
C
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Why are nuclear localization sequences (NLS) not removed after nuclear proteins are transported to the nucleus?
A. It is too energetically costly for the cell. B. An NLS may be located almost anywhere along the primary sequence of the protein. C. mRNA molecules are synthesized in the nucleus. D. The nuclear envelope breaks down with each cell division.
________ "tag" misfolded proteins so that they can be refolded or sent to proteasomes.
A) Chaperones B) Folding catalysts C) Signal sequences D) Ubiquitin molecules
Any form of inheritance that does not follow Mendelian patterns and that involves most of the cytoplasm being contributed to the embryo by one of the parents is called ________
Fill in the blank(s) with correct word
Which disease was probably the first documented connection between a microscopic organism and a disease in humans?
a) Scabies b) Pediculosis c) Candidiasis d) Sporotrichosis