Which of the following relationships best describes the partial pressure of oxygen (pO2) in the lung, red blood cells, and blood plasma?
A. pO2 lung < pO2 blood plasma < pO2 red
blood cell
B. pO2 blood plasma < pO2 lung < pO2 red
blood cell
C. pO2 red blood cell < pO2 lung < pO2
blood plasma
D. pO2 red blood cell < pO2 blood plasma <
pO2 lung
D
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a. in the thylakoid membrane b. in the mitochondrial inner membrane c. embedded in the plasma membrane d. only in the nucleus e. thylakoid and inner mitochondrial membranes
What is the intensity of that color?
a. 25 b. 50 c. 75 d. 100
In muscle tissue, if there is not enough oxygen for aerobic respiration to occur, the muscle cell
A. can produce ATP by fermentation. B. cannot make ATP. C. uses creatine phosphate instead of ATP for energy. D. can produce ATP from fats. E. depletes its reserves of lactic acid.
A significant percentage of pre-embryos fail to continue their development or to implant in the uterus. Explain what may happen to prevent development from continuing
What will be an ideal response?