Author Question: Guard cells are the only cells in the epidermis that contain chloroplasts and ca (Read 639 times)

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
Guard cells are the only cells in the epidermis that contain chloroplasts and can undergo photosynthesis. This is important because
A) chloroplasts sense when light is available so that guard cells will open.
B) photosynthesis provides the energy necessary for contractile proteins to flex and open the guard cells.
C) guard cells will produce the O2 necessary to power active transport.
D) ATP is required to power proton pumps in the guard cell membranes.
E) chloroplasts sense when light is available so that guard cells will open and guard cells will produce the O2 necessary to power active transport.



curlz

  • Hero Member
  • *****
  • Posts: 538

Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

For a complete list of videos, visit our video library