The number of species in a community is called species
A) diversity.
B) richness.
C) composition.
Answer: B
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The following graph represents the concentration of cyclins over the course of the cell cycle. Which of the following statements is TRUE regarding the phase of the cell cycle where the blue arrow is pointing?
A. At this point in the cell cycle, the cell has determined that the DNA is intact, that environmental conditions are favorable, and it is preparing for DNA replication.
B. At this point in the cell cycle, chromosomes have properly aligned on the metaphase plate and are beginning to separate.
C. At this point in the cell cycle, DNA has already been replicated and divided into two daughter nuclei.
D. At this point in the cycle the cell is determining if environmental conditions are favorable for growth and proliferation.
E. At this point in the cycle the cell is continuing to grow and make abundant tubulin proteins.
A man who carries an X-linked allele will pass it on to
A) all of his daughters. B) half of his daughters. C) all of his sons. D) half of his sons. E) all of his children
Which of the following is NOT part of cellular respiration?
A.) electron transport B.) glycolysis C.) Krebs cycle D.) Calvin cycle
Which of the following does not have an autosomal recessive pattern of inheritance?
a. cystic fibrosis b. Huntington disease c. phenylketonuria d. sickle cell disease e. None of these are correct.