Author Question: What do the results of research on gravitropic responses of roots and stems show (Read 423 times)

xclash

  • Hero Member
  • *****
  • Posts: 681
What do the results of research on gravitropic responses of roots and stems show?
A) Different tissues have the same response to auxin.
B) The effect of a plant hormone can depend on the tissue.
C) Some responses of plants require no hormones at all.
D) Light is required for the gravitropic response.
E) Cytokinin can only function in the presence of auxin.



clippers!

  • Hero Member
  • *****
  • Posts: 828
I chose B and got the answer, hope that helps.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

For a complete list of videos, visit our video library