« previous next »

Author Question: Plants growing in a partially dark environment will grow toward light in a respo (Read 539 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?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Evolutionary adaptation to a new environment via natural selection. Evolutionary adaptation to a new environment via natural selection.
Animals and plants of the intertidal zone adhering to their rocky surface. Animals and plants of the intertidal zone adhering to their rocky surface.
Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth
The leaf is usually the primary site of photosynthesis in plants. The leaf is usually the primary site of photosynthesis in plants.
The myeloma cells do not grow in a selective media called HAT because they cannot synthesize DNA ... The myeloma cells do not grow in a selective media called HAT because they cannot synthesize DNA ...
Dark Green Eye Color Dark Green Eye Color
Video: Alzheimer's Disease

For a complete list of videos, visit our video library