Which bone is part of the axial skeleton?
(a) clavicle.
(b) radius.
(c) coxal bone.
(d) sternum.
(d) sternum.
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Which of the following base pairs would be targeted and repaired by a mismatch repair system?
A. A -T B. C-G C. A-G D. A-G and C-G E. A-T and C-G
A nuclear envelope has four of the following characteristics. Which is the exception?
a. single lipid bilayer b. continuous with endoplasmic reticulum c. possesses pores d. controls passage of substances into and out of nucleus e. separates DNA from cytoplasm
The ends of chromosomes are called ________.
A. caps B. telomeres C. centromeres D. DNA termini
Acid-fast organisms are seen on a section of lung within normal alveolar sacs. They appear to lie slightly out of the plane of the section. This is most likely the result of:
a) contamination from the flotation bath b) a section that is too thick c) poor mounting technique d) the disease process