In vascular plants, what is the responsibility of phloem?
a. transporting sugars and proteins
b. protecting the leaves and stems
c. transporting water and minerals
d. storing water and nutrients
a. transporting sugars and proteins
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To determine viable cell counts of a heat-sensitive bacterial isolate, which cell counting method would be best to AVOID?
A) spread-plate method B) pour-plate method C) live staining and direct counting with a microscope D) both spread- and pour-plate methods
What does "You are what you eat" really mean?
It's related to macromolecules
An enzyme lowers activation energy by ____
a. keeping substrates apart b. orienting substrates randomly
c. breaking the laws of thermodynamics d. shutting out water molecules e. physically breaking chemical bonds
A nonreciprocal crossover causes which of the following products?
A) deletion only B) duplication only C) nondisjunction D) deletion and duplication