The glucose uniporter GLUT1 has a Km of 1.5 mM for D-glucose and 30 mM for D-galactose. At a concentration of 5 mM for each, what is the rate of glucose transport relative to galactose transport? The
A. 3.7-fold slower
B. equal
C. 5.5-fold faster
D. 20-fold faster
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What factors necessary for growth of animal cells in culture are provided by serum()
A. amino acids
B. precursors of DNA synthesis
C. growth factors
D. vitamins
Who was the first person to see cells under the microscope and give them a name()
A. van Leeuwenhoek
B. Robert Hooke
C. Theodor Schwann
D. Zacharias Jansse
He discovered that all animals were made of cells, which contributed to the development of the cell theory()
A. van Leeuwenhoek
B. Robert Hooke
C. Zacharias Jansse
D. Theodor Schwann
Which of the four classes of ATP-powered pumps share overall similarity: several subunits, the same general organization, and a similar function in being H+ transporters()
ABC superfamily and P-class pumps
B. ABC superfamily and P-class pump
C. F-class pumps and P-class pumps
D. F-class pumps and V-class pumps