The principal components of cell membranes are:
A) carbohydrates.
B) proteins.
C) nucleic acids.
D) phospholipids.
E) sterols.
D) phospholipids.
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Which of the following would occur if a cell's splicesomes were mutated so they no longer functioned normally?
A. Introns would remain in the mature mRNA. B. Exons would be missing in the mature mRNA. C. Transcription would cease. D. A functional protein would still be produced. E. RNA processing would remain intact.
Unreduced gametes are those that contain additional chromosome numbers
Indicate whether the statement is true or false.
An atom having a filled valence shell is stable and unreactive
__________________ Indicate whether the statement is true or false.
Which of the following are considered to be frameshift mutations?
A. insertions only B. inversions only C. deletions only D. both inversion and insertions E. both deletions and insertions