Which of the following is most likely to take up an electron from another atom?
a. chlorine (7 valence electrons)
b. calcium (2 valence electrons)
c. neon (8 valence electrons)
d. carbon (4 valence electrons)
e. potassium (1 valence electron)
A
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Some marine species of cyanobacteria
A. do not have flagella and are, therefore, nonmotile. B. do not have flagella but are, nonetheless, motile by some unknown mechanism. C. do not have flagella but are motile by means of pseudopods. D. have flagella and are, therefore, motile.
During transcription
a. double-stranded RNA chains are produced. b. the entire DNA molecule is used. c. primase creates an RNA primer to start the RNA strand. d. only one of the two DNA strands acts as a template. e. protein is made from RNA.
Jane and Tom are worried about their newborn baby who has just begun to nurse, but chokes and turns blue whenever she is fed. Their baby most likely has a defect in her ________.
A. tongue muscles B. muscle in the lower two-thirds of her esophagus C. soft palate D. muscle in the upper-third of her esophagus E. epiglottis
Using RNA-seq generates data in situ. What does RNA-seq not provide data for?
A) sequence of the RNA B) location of transcript in the genome C) gene expression levels D) amount of protein produced by RNA