Estrogen is most likely to exert its effects by regulating
A. protein kinases.
B. phopholipase C.
C. expression of genes and production of specific proteins.
D. cyclic AMP.
E. Ca2+.
C. expression of genes and production of specific proteins.
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Which of the following can be sensed by plants?
I) gravity II) pathogens III) wind IV) light A) only I and III B) only III and IV C) only I, II, and IV D) only II, III, and IV E) I, II, III, and IV
Hundreds of thousands of vitamin A deficiencies, and its resulting blindness, may be avoided with the
use of genetically modified ____________________. Fill in the blank(s) with the appropriate word(s).
Proteins that do not align with known amino acid sequences fall into two classes: (1) (conserved hypothetical, unknown function, mystery, non-critical) proteins are encoded by genes that have matches in the database but no function has yet been assigned to any of the sequences; (2) Proteins of (conserved hypothetical, unknown function, mystery, non-critical) function are the products of genes unique to that organism.
A. conserved hypothetical B. unknown function C. non-critical D. mystery
Which of the following has NOT been a basis for classification of the protozoa?
A) means of locomotion B) genetic sequences C) photosynthetic ability D) habitat E) ability to form a dormant stage