What process exerts the pull on water molecules that is relayed from leaf to root via cohesion?
What will be an ideal response?
Evaporation
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Animals that produce most of their own heat as by-products of metabolism are (select all correct choices):
A. endotherms. B. active over a broad range of external temperatures. C. likely to respond to cool temperatures with peripheral vasodilation. D. unable to carry out fermentation in anaerobic conditions. E. most active in the heat of the daytime.
Describe the process of mRNA splicing
What will be an ideal response?
The fact that tracheophytes can survive on land is due to which of the following?
A. alternation of generations B. A dominant gametophyte stage C. Adaptation to damp habitats D. Water transport through vascular tissues E. Mechanisms other than photosynthesis for carbohydrate production
Your lab instructor hands you a root slide and asks you to show her a cell with condensed chromosomes arranged in a straight line. In which section of the root would you begin your search?
A. root cap B. zone of cell division C. It doesn't matter, all zones have the same level of mitotic activity. D. zone of maturation E. zone of elongation