A DNA molecule wraps around a cluster of histones to form which of the following?
a) nucleosome
b) base pair
c) ribosome
d) nucleotide
a) nucleosome
Anatomy & Physiology
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Which bone articulates with the scapula at the glenoid cavity?
a) Ileum b) Thoracic vertebra c) Sternum d) Clavicle e) Humerus
Anatomy & Physiology
Of the muscles listed, which is the only one not innervated by the pudendal nerve?
A. External anal sphincter B. Coccygeus C. Iliococcygeus D. Pubococcygeus E. Puborectalis
Anatomy & Physiology
Which muscle(s) is (are) contracted to exhale forcibly?
A) diaphragm alone B) internal intercostals and rectus abdominus C) external intercostals and diaphragm D) rectus abdominis and diaphragm
Anatomy & Physiology
Which of the following materials can be absorbed directly by the surface lining cells of the stomach?
(a) vitamin B12 (b) polysaccharides (c) chylomicrons (d) triglycerides (e) alcohols
Anatomy & Physiology