The information carried by DNA is incorporated in a code specified by the:a
phosphodiester bonds of the DNA strand.
b. number of separate strands of DNA.
c. size of a particular chromosome.
d. specific nucleotide sequence of the DNA molecule.
e. number of bases in a DNA strand
D
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The intercellular spaces between plant cells
(a) contain air. (b) are responsible for cytoplasmic streaming. (c) produce energy for the cell. (d) contain chloroplasts.
Escherichia coli uses mixed acid fermentation pathways that depend on which of the following enzymes?
A. Ammonia monooxygenase B. Formate dehydrogenase C. Pyruvate formate-lyase D. C-type cytochrome
What is the function of GTP in the tRNA-eIF2-GTP complex?
a. GTP bonds to RNA in order to stabilize the molecule during translation. b. GTP aligns the initiator tRNA with the mRNA molecule before translation. c. GTP provides energy for the formation of the translation complex. d. GTP attaches phosphate groups to proteins after translation.
Which of these is controlled by serotonin?
Mood, hunger, thirst, and sex drive Emotions and complex movement Feeling of well-being All of these are controlled by serotonin