The movement of xylem sap is best described from ____ to ____

a. the shoot system; the root system
b. sinks; sources
c. the root system; the shoot system
d. sources; sinks
e. none of these


C

Biology & Microbiology

You might also like to view...

Microsporangia in flowering plants are located in the _____

A) stamen B) carpel C) petals D) sepals E) receptacle

Biology & Microbiology

In a normal mammalian birth, how does the body guarantee that birth proceeds to completion?  

A.  Via positive feedback -- stretching of the uterus by the descending fetus induces release of oxytocin from the posterior pituitary causing even stronger uterine contractions. B.  Via negative feedback -- stretching of the uterus by the descending fetus induces release of FSH and LH from the posterior pituitary causing even stronger uterine contractions. C.  Via positive feedback -- stretching of the uterus by the descending fetus induces release of prolactin from the posterior pituitary causing even stronger uterine contractions. D.  Via negative feedback -- stretching of the uterus by the descending fetus induces release of prostaglandins from the posterior pituitary causing weaker uterine contractions.

Biology & Microbiology

Which of the following is not a somatic cell?

1.liver 2.skin 3.bone 4.blood 5.sperm

Biology & Microbiology

Chart the path of urine from the blood to the outside of the body. What will be an ideal response?

Biology & Microbiology