A single-stranded, straight chain copy of a coding strand of DNA that comes from the process of transcription is
A. DNA.
B. tRNA.
C. mRNA.
D. rRNA.
C. mRNA.
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A growing root comes into contact with a chemical that inhibits the golgi bodies. Which of the following would be a probable effect of this contact?
A. The root would begin to growing in an upward direction. B. The root would not be slick enough to move through the soil easily. C. The root would begin to simultaneously grow in multiple directions. D. The root would produce too much mucigel and oxygen uptake would be inhibited. E. The root cap cells would begin to divide rapidly.
A bacterium is inoculated into a tube of thioglycollate and incubated. After incubation, turbidity appears throughout, top to bottom, with the greatest turbidty at the very top. This bacterium would be called a(n) ________.
A. psychrotroph B. aerotolerant microbe C. facultative anaerobe D. obligate aerobe E. microaerophile
Early death associated with obesity has recently been termed
A. sudden infant death syndrome (SIDS). B. sedentary death syndrome (SDS). C. wasting disease. D. nutritional deficiency disease (NDS).
Many trans–acting regulatory elements reside on a separate chromosome than the gene that it regulates. In this case, the regulatory element is _______ relative to the gene
a. unlinked b. linked c. dominant d. recessive e. codominant