Xylem is a vascular tissue that conducts dissolved sugars
____________________ Indicate whether the statement is true or false.
False - water and dissolved minerals
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When a phage has its DNA inserted into the host cell genome it is called a
1.lytic phage. 2.temperate phage. 3.prophage. 4.provirus. 5.All of the options are correct.
The scientific name for the ruffed grouse is Bonasa umbellus. Bonasa is
a. the family name. b. the genus. c. the specific epithet. d. all of the above.
Which of the following best describes the significance of the TATA box in eukaryotic promoters?
A) It is the recognition site for a specific transcription factor. B) It sets the reading frame of the mRNA. C) It is the recognition site for ribosomal binding. D) Its significance has not yet been determined.
Some of your DNA may not code for any protein and has no known function in gene regulation; it is sometimes referred to as noncoding DNA. How do nucleotide sequences of "noncoding DNA" evolve?
A) They evolve through natural selection. B) They evolve through genetic drift and other chance processes. C) They evolve to be more useful by taking on new functions. D) They evolve by gradually being eliminated from the gene pool.