How many possible orientations are there if a cell has four chromosome pairs?
A. 4
B. 8
C. 16
D. 32
E. It is impossible to determine.
Answer: C
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Viruses can confer additional properties on their host cells, which can in turn be inherited
Indicate whether the statement is true or false.
Which of the following statements about hemoglobin is false?
A. Hemoglobin is only found within blood cells in animal bodies. B. Hemoglobin increases the amount of oxygen in vertebrate blood one hundredfold. C. The similarity of vertebrate and invertebrate hemoglobins suggest that a shared form of hemoglobin evolved in a common ancestor of these lineages. D. Some plants use hemoglobin to bind oxygen in order to keep cellular concentrations low. E. All of the answer options are correct.
Traits that are conditioned by one locus are most appropriately termed ________
A) qualitative traits B) quantitative traits C) continuously variable traits D) environmentally conditioned traits
Which of the following statements concerning van der Waal interactions is FALSE:a
They are attractive forces. b. They are very strong. c. They involve transient regions of positive and negative charges. d. They form between nonpolar molecules. e. They operate over very short distances