« previous next »

Author Question: Photosynthesis ceases when leaves wilt, mainly because A) the chlorophyll in wil (Read 941 times)

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
on: Aug 13, 2013
Photosynthesis ceases when leaves wilt, mainly because
A) the chlorophyll in wilting leaves is degraded.
B) flaccid mesophyll cells are incapable of photosynthesis.
C) stomata close, preventing CO2 from entering the leaf.
D) photolysis, the water-splitting step of photosynthesis, cannot occur when there is a water deficiency.
E) accumulation of CO2 in the leaf inhibits enzymes.


curlz

  • Hero Member
  • *****
  • Posts: 538
Reply #1 on: Aug 30, 2013
Pick C, i got it right :P


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

(b) during dry periods they lose their leaves and blossoms. (b) during dry periods they lose their leaves and blossoms.
Variegated leaves caused by a mutation in cpDNA Variegated leaves caused by a mutation in cpDNA
Artificial photosynthesis Artificial photosynthesis
Evolution of Photosynthesis: reactions of the C4 cycles Evolution of Photosynthesis: reactions of the C4 cycles
People who are color-blind see colors differently. (a) Those with normal vision see the red leaves. People who are color-blind see colors differently. (a) Those with normal vision see the red leaves.
Photosynthesis Equation Photosynthesis Equation
Video: Parkinson's Disease

For a complete list of videos, visit our video library