Which is true regarding cytokinesis?
A)The pinching in of the cytoplasm and cleavage furrow begins and ends after telophase is totally finished.
B)Cytokinesis always begins and ends in telophase.
C)The cytokinesis cleavage furrow is made by the mitosis spindle.
D)Cytokinesis usually begins in anaphase.
D)Cytokinesis usually begins in anaphase.
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You cannot palpate the __________ on a living person.
A. lateral malleolus B. tibial tuberosity C. medial surface of the fibula D. anterior border of the tibia E. calcaneus
The respiratory centers include three pairs of loosely organized nuclei in the ________ of the pons and the medulla.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements about renal control of blood acid-base balance is TRUE?
A. When hypoventilation occurs at the lungs, the kidneys compensate by reducing glutamine metabolism. B. Increased metabolism of glutamine by renal tubular cells increases the plasma bicarbonate concentration. C. Excretion in the urine of hydrogen bound to phosphate buffers decreases plasma bicarbonate concentration. D. H+ that binds to filtered bicarbonate in the tubular fluid is excreted in the urine. E. The kidneys compensate for a metabolic alkalosis by increasing CO2 production.
Which layer of the epidermis contains the greatest concentration of keratin?
a. stratum granulosum b. stratum corneum c. stratum basale d. stratum spinosum