Lysosomes fuse with aged or damaged ____________________ to remove them from the cell
Fill in the blank(s) with correct word
organelles
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Match each term with its definition or description.
a. acid solution b. alkaline solution c. neutral solution d. buffer e. alkalosis f. acidosis g. metabolic acidosis h. respiratory acidosis i. respiratory alkalosis j. metabolic alkalosis k. carbonic anhydrase l. pH 1. _____ General term that describes a condition of low blood pH 2. _____ A solution that has a pH less than 7.0 3. _____ A condition that results from a carbonic acid deficit 4. _____ A condition that results from a bicarbonate deficit 5. _____ A solution with a pH of 7.0 6. _____ A condition that results from a bicarbonate excess 7. _____ A general term that describes a condition of high blood pH 8. _____ A solution with a pH greater than 7.0 9. _____ Condition that results from carbonic acid excess 10. _____ A substance that prevents a sharp change in pH 11. _____ Scale that measures the hydrogen ion concentration in a solution 12. _____ Enzyme that combines water and carbon dioxide to form carbonic acid
Each hemoglobin molecule contains
A) four alpha chains. B) one alpha and one beta chain. C) four iron atoms. D) one heme group. E) a molecule of oxygen and a molecule of carbon dioxide.
Sustentacular cells, which help support sperm development, release the hormone
A) inhibin. B) LH. C) FSH. D) testosterone. E) None of the answers are correct.
Label R represents the
A) interventricular septum. B) apex. C) opening of the coronary sinus. D) fossa ovalis. E) interatrial septum.