Klinefelter syndrome patients who are mosaics have some cells with 46, XY and others with
____________________. Fill in the blank(s) with the appropriate word(s).
ANS: 47, XXY
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Phloem loading is a primary example of how ________ processes occur in plant tissues.
A. apoplastic B. plasmodesmatal plugging C. bulk flow upward D. symplastic E. sugar transport without membranes
The three basic characteristics of adaptive immunity are
A) generality, diversity, and retention. B) specificity, diversity, and memory. C) prevention, protection, and memory. D) suppression, activation, and transference.
A population of worms is growing exponentially in a compost heap. Thirty days ago there were 400 worms and now there are 800 . How many worms will there be thirty days from now, assuming conditions remain constant?
What will be an ideal response?
Which respiratory structure likely has the largest surface area for gas exchange to occur?
A) the body surface of a worm B) the lungs of a pig C) the tracheal system of a house fly D) the gills of a trout