Familial Down syndrome is caused by a translocation involving chromosome 21
Indicate whether the statement is true or false
TRUE
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Using 14CO2 as a radioactive tracer, which of the following molecules would be the last to incorporate 14C within the Calvin cycle?
A. glyceraldehyde-3-phosphate (G3P) B. 1,3-biphosphoglycerate (1,3-BPG) C. 3-phosphoglycerate (3PG) D. ribulose biphosphate (RuBP) E. rubisco
For water to be transported to the top of a tall tree, several forces must be at work. From the choices below, which combination of forces explains this sort movement?
a. turgor pressure and evaporation b. water heat capacity and pH c. cohesion and transpiration d. gravity and conductivity
The ras gene is an example of a tumor-suppressing gene. Indicate whether the statement is true or false
Which of the following steps in the Kreb's cycle directly produces a molecule of ATP (or GTP)?
a. citrate ? isocitrate b. isocitrate ? ?-ketoglutarate c. succinyl CoA ? succinate d. succinate ? fumarate e. malate ? oxaloacetate