The genetic information is coded in DNA by the ________
A) sequence of the nucleotides
B) three-dimensional structure of the double helix
C) arrangement of the histones
D) regular alteration of sugar and phosphate molecules
A
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On the os coxae, the ischial ramus is fused to the
A. ischial spine. B. pubic tubercle. C. ischial body. D. superior pubic ramus. E. inferior pubic ramus.
Which lymph organ lies in the mediastinum?
A. Spleen B. Appendix C. Tonsils D. Thymus E. Peyer patch
The salivary glands located just anterior to the ear are the ________ glands.
A. sublingual B. labial C. buccal D. submandibular E. parotid
Which statement correctly describes hypersensitivity?
A. Hypersensitivity can range from mild to severe. B. Severe hypersensitivity may cause anaphylaxis. C. Hypersensitivity involves an overreaction of the immune system to an allergen. D. All of these statements correctly describe hypersensitivity.