In what part of vascular plants are tracheids found?
A. rhizoids
B. phloem
C. cell walls
D. xylem
Answer: D. xylem
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The function of BMP4 is to ____________ while the function of gremlin is to __________ BMP4.
A. cause apoptosis (cell death); inhibit. B. cause mitosis; enhance production of. C. inhibit growth; enhance. D. enhance growth; enhance. E. cause apoptosis (cell death); enhance.
Which of the following represents an individual that is homozygous for the Dominant trait?
a) yy b) QQ c) Ss d) Xx
Compared to conventional agriculture, organic farming
A) uses fewer synthetic pesticides. B) increases crop yields. C) guarantees the safety and extra health benefits of food. D) requires much less hands-on work.
Before clotting factors from recombinant DNA became available, less than half of hemophiliacs in the
U.S. acquired HIV from injection of clotting factors obtained from blood samples. Indicate whether the statement is true or false.