Which type of junctions prevent fluid leakage between cells?
a. gap junctions
b. plasmodesmata
c. tight junctions
d. adhering junctions
e. blocking proteins
c
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When pathogenic fungi are found growing on the roots of grape vines, grape farmers sometimes respond by covering the ground around their vines with plastic sheeting and pumping a gaseous fungicide into the soil
The most important concern of grape farmers who engage in this practice should be that the _____. A) fungicide might also kill the native yeasts residing on the surfaces of the grapes B) lichens growing on the vines' branches are not harmed C) fungicide might also kill mycorrhizae D) sheeting is transparent so that photosynthesis can continue
Which of the following could be the cause of the 12 year old boy’s condition, pictured here to the right of his mother?
1.acromegaly
2.a benign pituitary tumor
3.GH receptors failed to properly respond during childhood
4.GH failed to surge as it normally should during the teenage years
What mechanisms do plants use to discourage predation?
What will be an ideal response?
Mutations will not be passed on to the next generation if they occur in ________ cells
Fill in the blank(s) with correct word