« previous next »

Author Question: Which of the following have unevenly thickened primary walls that support young, (Read 491 times)

geoffrey

  • Hero Member
  • *****
  • Posts: 880
on: Aug 12, 2013
Which of the following have unevenly thickened primary walls that support young, growing parts of the plant?
A) parenchyma cells
B) collenchyma cells
C) sclerenchyma cells
D) tracheids and vessel elements
E) sieve-tube elements


aero

  • Hero Member
  • *****
  • Posts: 512
Reply #1 on: Sep 2, 2013
Most likely B, we did this yesterday.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

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?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Primary and secondary immune responses. Primary and secondary immune responses.
Primary Motor Cortex and Seizures Primary Motor Cortex and Seizures
In 2010 protesters in Washington, D.C., demanded that the Obama administration support liberalized i In 2010 protesters in Washington, D.C., demanded that the Obama administration support liberalized i
Young Bill Clinton (left) shakes hands with President John F. Kennedy. “The torch has been passed ... Young Bill Clinton (left) shakes hands with President John F. Kennedy. “The torch has been passed ...
Primary succession Primary succession
A female Agile Wallaby (Macropus agilis) with young in pouch feeds on grass in Green Bowling Bay Nat A female Agile Wallaby (Macropus agilis) with young in pouch feeds on grass in Green Bowling Bay Nat
Video: Central Nervous System Animation

For a complete list of videos, visit our video library