Human ventilation is
a. negative pressure inhalation.
b. positive pressure inhalation.
c. negative pressure exhalation.
d. both b and c.
b
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When considering evolution, structures of present-day organisms that have the same function but did not develop from the same ancestral structure are said to be ________
Fill in the blank(s) with correct word
Which statement is false?
A. A molecule must be made of at least two atoms. B. Compounds are made of elements. C. Two atoms of oxygen make a molecule of oxygen. D. Chemical bonds form between molecules of solute and solvent. E. Elements are found in compounds and molecules.
Which factors affect linkage disequilibrium between loci?
A. Being located close to each other on the same chromosome, or selection on a particular combination of traits that are controlled by different loci B. Being in the same asexually reproducing organism C. All answers are correct D. Selection on a particular combination of traits that are controlled by different loci E. Being located close to each other on the same chromosome
For an individual with the XXY chromosomal composition, the expected number of Barr bodies in interphase cells is ________
A) variable B) zero C) one D) two E) three