Describe cohesion-adhesion theory , Biology

Assignment Help:

Cohesion-adhesion theory describes the properties of water which help move it through the plant. Cohesion is the property of water molecules to stick together (held by hydrogen bonds), forming the column of water extending from the roots to the leaves; adhesion is the propert of water molecules to stick to the cellulose in plant cell walls, counteracting the force of gravity and serving to rise the column of water.


Related Discussions:- Describe cohesion-adhesion theory

Netlike membranous complex of superposed flat saccules, Q. A netlike membra...

Q. A netlike membranous complex of superposed flat saccules with vesicles detaching from the extremities seen in electronic microscopy. What is the observed structure? What is its

Post-operative care of teeth, Post-operative care of teeth After implan...

Post-operative care of teeth After implant surgery, patients should be warned to expect:  Some swelling and possibly bruising.  Some discomfort which can usually be contr

Professional guidance in diabetes mellitus, Counselling refers to professi...

Counselling refers to professional guidance in resolving personal conflicts and emotional problems. Counselling is a process which enables a person to identify problems and find a

Can you explain metallized films, Q. Can you explain Metallized films? ...

Q. Can you explain Metallized films? In metallized films, plastic films such as those of polyester, polyamide and polypropylene are coated with aluminium to enhance the barri

In what form is most carbohydrate taken in the normal diet, In what form is...

In what form is most carbohydrate taken in the normal diet? Most carbohydrate is taken normal diet in as starch.

Placenta - human development, Placenta - Human Development We had said...

Placenta - Human Development We had said previous in the unit that in the second week of development a primitive uteroplacental circulation is established. Early in this stage

How are gametes formed in the pteridophyte life cycle, Q. How are gametes f...

Q. How are gametes formed in the pteridophyte life cycle, by mitosis or meiosis? What is the type of meiosis that occurs in pteridophytes? In pteridophytes gametes are made by

Why is vision important for life on earth, Q. What is vision? Why is vision...

Q. What is vision? Why is vision important for life on earth? Vision is the ability of some living beings to distinguish, to perceive and to interpret luminous stimuli. Visi

Biology - a science of exception, BIOLOGY - A SCIENCE OF EXCEPTION - So...

BIOLOGY - A SCIENCE OF EXCEPTION - Some common examples to prove it are - 1.       Embryos of dicot plants have 2 cotyledons but in cuscuta (Dodder plant or amer bel or Aka

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd