Describe the role that hydrogen ion channels play in the generation of ATP
A) They allow hydrogen ions to diffuse into the intermembrane space to power ATP synthase.
B) They allow hydrogen ions to diffuse from the intermembrane space into the matrix to power ATP synthase.
C) They allow hydrogen ions and electrons to pass from one cytochrome to another along the chain.
D) They act as cytochromes in the electron transport chain.
E) They allow oxygen to diffuse into the mitochondrial matrix.
Answer: B
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The muscular partition that separates the thoracic and abdominopelvic cavities is the ______
Fill in the blank with correct word.
Two terms for the massive motor tracts serving voluntary movement are ________.
A) pyramidal and corticospinal B) extrapyramidal and rubrospinal C) segmental and nigrostriatal D) supplementary and cerebellar-pontine
Sex cells are called ________.
A. zygotes B. spermatocytes C. oogonia D. chromosomes E. gametes
Celiac disease is caused by an allergy to gluten, a protein found naturally in some grains. The disease damages the lumen of the small intestine, specifically the villi and microvilli. Several symptoms associated with celiac disease would be
a) heartburn, excessive vomiting, and nausea. b) red blood mixed with the stools, light-headedness due to lack of hydration, and weakness. c) fever, elevated white blood cell count and loss of appetite. d) abdominal bloating and pain, chronic diarrhea due to excess unabsorbed water, and weight loss.