The Michaelis constant (Kw) of an enzymatic reaction is _____.
a) a measure of the maximum number of substrate molecules that can be converted to products
b) none of the choices is correct
c) a measure of the infinity of the enzyme for the substrate under specific reaction conditions
d) a measure of the substrate concentration at exactly one half of Vmax
Answer: d) a measure of the substrate concentration at exactly one half of Vmax
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When water molecules exposed to the air form hydrogen bonds between adjacent water molecules below and beside
them, molecules in the upper layer become more resistant to separating from those underneath. This property of water is known as ____.
a. cohesion b. adhesion c. a hydration layer d. a water lattice e. surface tension
Taxonomy is the science of:
a. conserving biodiversity
b. making new biological species. c. naming, describing, and classifying organisms. d. comparing macromolecules to assess evolutionary relationships. e. generating cladograms that represent evolutionary relationships between organisms.
In divergence, one neuron:a
is controlled by several neurons. b. is controlled by several neurotransmitter substances. c. contains several different types of ion channels. d. controls several other neurons. e. contains several different types of receptors.
Fungal spores
A. cannot be seen in a light microscope. B. are produced by molds but not by yeasts. C. are only asexually produced. D. are only produced under harmful environmental conditions. E. are used to identify fungi.