In the stationary phase,
A. the number of microbial deaths exceeds the number of new cells formed.
B. the number of microbial deaths is equal to the number of new cells formed.
C. new cells are no longer formed because of adverse environmental conditions.
D. cellular reproduction is most active.
Ans: B. the number of microbial deaths is equal to the number of new cells formed.
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Answer the following statement true (T) or false (F)
Rice plants may be tolerant or intolerant to flooding. A true-breeding tolerant plant was crossed with a true-breeding
intolerant plant, and approximately 75% of the F1 generation was tolerant to flooding. What does this most likely suggest about the flood-tolerant and flood-intolerant alleles?
a. Multiple alleles control flood-tolerance. b. The alleles for flood-tolerance and flood-intolerance are codominant. c. The allele for flood-tolerance is incompletely dominant. d. The allele for flood-intolerance is dominant, while the allele for flood-tolerance is recessive. e. The allele for flood-tolerance is dominant, while the allele for flood-intolerance is recessive.
Competitive inhibitors inhibit biochemical reactions in such a way as to seemingly:a
increase the concentration of substrate. b. reduce the concentration of enzyme. c. increase the concentration of enzyme. d. reduce the concentration of substrate. e. denature the enzyme.
Amoebozoans move by means of flagella
_______________ Indicate whether the statement is true or false.