During transcription of mRNA in eukaryotes, some sequences are cut out of the primary transcript and the remaining sequences are joined together. This processing of mRNA is called ________.
A. termination
B. capping
C. splicing
D. elongation
E. translation
Answer: C
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Which of the following statements is false?
A. Peptide hormones act on time scales of days to months. B. Amine hormones are more abundant than steroid hormones. C. Peptide hormones can evolve through changes in their amino acid sequence. D. Peptide hormones and amine hormones are both derived from amino acids. E. Steroid hormones are hydrophobic, whereas amine hormones are hydrophilic.
An amine hormone important in the stress response in vertebrates is
A. dopamine. B. melatonin. C. cortisol. D. epinephrine. E. serotonin.
Which activity is an example of biotechnology?
A. Egyptians using moldy bread on wounds B. Escherichia coli producing human insulin C. Public health officials monitoring diseases in a community D. A microbiologist using the microscope to view bacteria E. Bacteria in the soil secreting an antibiotic to kill competitors
In a single family, the parents have brown eyes but all five of their children have green eyes. This is an example of evolution
Indicate whether the statement is true or false