Which of the following receptor and signal transduction molecules are mismatched?
A. sensor kinase receptor (NarQ): NarL
B. G-protein coupled receptor: adenylyl cyclase
C. G-protein coupled receptor: phospholipase C
D. enzyme linked receptors: protein kinase
E. steroid receptor: calcium
E. steroid receptor: calcium
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Which of the following are true regarding redox reactions? There may be more than one correct answer
A. Oxidizing agents accept electrons. B. If a molecule accepts electrons, it has been reduced. C. Redox reactions may involve the transfer of hydrogen ions (H+). D. A molecule that has gained H atoms is said to be reduced. E. Reducing agents accept H atoms. F. Oxidizing agents accept H+ ions.
Which of the following is least likely to be part of a cell membrane?
A) proteoglycans B) phospholipids C) glycoproteins D) transport proteins E) enzymes
The relationship above is
a. a parasitic association. b. predation. c. resource partitioning. d. a mutualistic association. e. none of these.
In the study of cultural evolution, what is a "meme"?
A. A unit of cultural inheritance B. A humorous piece of media that is rapidly spread on the internet C. Early attempts at music and art by human ancestors D. Information spread as a disease rather than as inheritance of a gene E. Genetic memory that we have inherited from our ancestors and use without realizing it