The most widely accepted and supported model that explains the movement of xylem sap is the ____ mechanism

a. cohesion-tension
b. translocation
c. pressure flow


d. osmosis
e. transpiration


ANSWER: c

Biology & Microbiology

You might also like to view...

Let P = purple flowers and p = white, and T = tall plants and t = dwarf. Of the 16 possible gamete combinations in the dihybrid cross between 2 double heterozygotes, how many would produce the phenotype white, tall?  

A.  none B.  1 C.  3 D.  9 E.  16 Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain? Gather Content · What do you already know about dihybrid crosses? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

Which of the following bacteria benefits humans?

A) Enteritis Salmonella B) Lactobacillus C) Streptococcus Pyogenes D) Salmonella Typhi

Biology & Microbiology

Species in this Lophotrochozoan phylum have a body divided into three regions: visceral mass, headfoot,

and mantle.

a. Rotifera b. Mollusca c. Platyhelminthes d. Annelida e. Nemertea

Biology & Microbiology

Scaffold proteins ensure that signals are relayed ____

a. slowly b. efficiently c. inaccurately d. methodically e. simultaneously

Biology & Microbiology