In a metabolic pathway, substrate Z is broken down to form products Y and X. Y is further broken down into products V and W. How many enzymes are required for this metabolic pathway?
A. three
B. two
C. four
D. one
E. five
Answer: B
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Linkage between two genes can be determined by studying inherited traits in multi-generational families; however, when this data is not available, the probability of linkage is estimated by the ____________________
Fill in the blank(s) with correct word
Currents in the ocean basins of the Northern Hemisphere always run in what direction?
A. counterclockwise B. clockwise C. north to south D. from the equator to the poles E. from the poles to the tropics
Intracellular preferences for actin filaments:
a. Is a way to look at the geography of the cell and the role of the nucleus b. Is a way to look at the geography of the cell and show where this role for actin filaments is important c. Explain how actin gets into the nucleus d. Explain how the Golgi apparatus forms
Four of the five choices listed below are bound by
membranes. Select the exception. a. mitochondrion b. ribosome c. chromoplast d. vacuole e. lysosome