« previous next »

Author Question: Charles and Francis Darwin discovered that A) auxin is responsible for phototrop (Read 1310 times)

xclash

  • Hero Member
  • *****
  • Posts: 681
on: Aug 16, 2013
Charles and Francis Darwin discovered that
A) auxin is responsible for phototropic curvature.
B) auxin can pass through agar.
C) light destroys auxin.
D) light is perceived by the tips of coleoptiles.
E) red light is most effective in shoot phototropism.


clippers!

  • Hero Member
  • *****
  • Posts: 828
Reply #1 on: Aug 20, 2013
I chose D and got the answer, hope that helps.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Bayliss and Starling discovered the mechanism by which the small intestine and pancreas work togethe Bayliss and Starling discovered the mechanism by which the small intestine and pancreas work togethe
Cave on Flores Island where the specimens were discovered Cave on Flores Island where the specimens were discovered
King Charles Spaniel King Charles Spaniel
This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev
Industrial and transport sources are responsible for a large proportion of global GHG emission Industrial and transport sources are responsible for a large proportion of global GHG emission
Darwin’s Notes on Transmutation of Species Darwin’s Notes on Transmutation of Species
Video: Blood Pressure Measurement

For a complete list of videos, visit our video library