The cohesion-tension theory indicates that the water located in the ________ is under a constant state of ________ pressure
a. phloem, positive
b. xylem, negative
c. xylem, positive
d. xylem, partial
e. phloem, negative
b
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Examine the pedigree in the figure above, where individuals that have the genetic condition being
tested are marked with filled squares or circles. Which of the following inheritance patterns is most likely correct for this condition?
a. autosomal dominant b. X-linked recessive c. X-linked dominant d. cytoplasmic inheritance e. autosomal recessive
Which of the following is an example of a cohort study?
A) Compare lifetime exposure to coal plant emissions between individuals with lung cancer and individuals without lung cancer in the general population. B) Measure lifetime exposure to coal plant emissions and the incidence of lung cancer in a group of individuals living in a small town. C) Question all people in an area about their exposure to coal plant emissions and whether they have any lung diseases. D) Examine the incidence of lung disease in all females over the age of 50 in a city by a coal plant.
The alternative pathway of complement cascade activation begins with ________ binding to the surface of a microbe
A) C1 B) C3a C) complement factor B D) C5a E) C5b
Animals with closed circulatory systems are more successful than animals with open circulatory systems.
Answer the following statement true (T) or false (F)