« previous next »

Author Question: According to modern ideas about phototropism in plants, A) light causes auxin to (Read 723 times)

xclash

  • Hero Member
  • *****
  • Posts: 681
on: Aug 16, 2013
According to modern ideas about phototropism in plants,
A) light causes auxin to accumulate on the shaded side of a plant stem.
B) auxin indirectly inhibits elongation of plant stem cells.
C) auxin is produced by the apical meristem of the coleoptile and moves downward.
D) all hormones move downward via the xylem.
E) cytokinins are more directly involved than auxins


clippers!

  • Hero Member
  • *****
  • Posts: 828
Reply #1 on: Aug 22, 2013
I chose A 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?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Plastid composition of egg cells from green, white, and variegated four-o'clock plants. Plastid composition of egg cells from green, white, and variegated four-o'clock plants.
Visible Light Spectrum Visible Light Spectrum
Deadly Plants Deadly Plants
Biotechnology Is Used to Alter the Genetic Makeup of Plants Biotechnology Is Used to Alter the Genetic Makeup of Plants
Light palpation Light palpation
A spaceship leaves Earth at a steady forward speed of 70% the speed of light. How fast relative ... A spaceship leaves Earth at a steady forward speed of 70% the speed of light. How fast relative ...
Video: Spinal Cord Injury Animation

For a complete list of videos, visit our video library