At the cellular level, the development of an animal from a fertilized egg involves
a. cell division by meiosis.
b. cell division by mitosis.
c. cell division by differentiation
d. cell division by morphogenesis.
e. cell division by cloning.
B
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Which of the following would most likely be an immediate result of a growth factor binding to its receptor?
A) protein kinase activity B) adenylyl cyclase activity C) protein phosphatase activity D) phosphorylase activity
Which of the following statements is true?
A. Glycolysis occurs in the mitochondria inner membrane. B. The citric acid cycle occurs in the cytosol. C. Electron transport chain and ATP synthase are in the cytosol. D. The citric acid cycle occurs in the mitochondria matrix. E. Oxidative phosphorylation occurs in the mitochondria matrix.
Which of the following correctly traces the path of blood from the heart to the kidneys and back to the heart again?
Select one: a. left ventricle ? vena cava ? renal vein ? kidney ? renal artery ? aorta ? right atrium b. right atrium ? aorta ? renal artery ? kidney ? renal vein ? hepatic portal vein ? vena cava ? left atrium c. left ventricle ? renal artery ? kidney ? renal vein ? vena cava ? right atrium d. left ventricle ? aorta ? renal artery ? kidney ? renal vein ? vena cava ? right atrium e. right ventricle ? aorta ? renal artery ? kidney ? renal vein ? vena cava ? hepatic portal vein ? right atrium
Glucose can be broken down to provide energy for the beating of cilia. Therefore, the glucose must contain:
A) entropy. B) potential energy. C) kinetic energy. D) heat energy.