« previous next »

Author Question: Plants growing in a partially dark environment will grow toward light in a respo (Read 544 times)

xclash

  • Hero Member
  • *****
  • Posts: 681
on: Aug 16, 2013
Plants growing in a partially dark environment will grow toward light in a response called phototropism. Which of the following statements is true regarding phototropism?
A) It is caused by an electrical signal.
B) One chemical involved is ethylene.
C) Auxin causes a growth increase on one side of the stem.
D) Auxin causes a decrease in growth on the side of the stem exposed to light.
E) Removing the apical meristem enhances phototropism.


clippers!

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

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

The light reactions and chemiosmosis: the organization of the thylakoid membrane. The light reactions and chemiosmosis: the organization of the thylakoid membrane.
how fast bacteria can grow is amazing how fast bacteria can grow is amazing
Internal and External Environment Internal and External Environment
Absorbance of Light by Rods and Cones Absorbance of Light by Rods and Cones
When both sides of the back have been massaged, redrape the back. With light to moderate force, use ... When both sides of the back have been massaged, redrape the back. With light to moderate force, use ...
The effect of gene–environment interaction The effect of gene–environment interaction
Video: Properties of macromolecules (Explained with No Audio)

For a complete list of videos, visit our video library