The principle of nuclear equivalence states that:a
developing cells become specialized to carry out specific functions.
b. developing cells follow particular differentiation pathways.
c. there is no loss of genetic information through determination or differentiation.
d. differential gene expression is responsible for variation among cells.
e. nuclear changes can take place during the entire life of an individual.
c
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If the innate immune response is not effective in neutralizing a threat, what form of immune response occurs next?
a. production of antibodies by T cells b. phagocytosis by neutrophils c. natural killer cells respond to sites of inflammation d. antigen detection by antibodies e. phagocytosis of MHC markers
Given that a human normally contains 46 chromosomes, give the chromosome number for each of the following conditions:
Turner syndrome (female, no Barr bodies) Klinefelter syndrome (male, one Barr body) triploid Down syndrome (trisomic) trisomy 13
The best definition of population density is the number of individuals:a
of all species in a given area. b. of one species in a given area. c. in a given area at a given time. d. of all species in a given area at a given time. e. of one species in a given area at a given time.
Which of the following represents the correct air pathway during exhalation?
A) Bronchioles, bronchi, alveoli, trachea, larynx B) Trachea, larynx, bronchi, alveoli, bronchioles C) Larynx, trachea, bronchi, bronchioles, alveoli D) Alveoli, bronchioles, bronchi, larynx, trachea