« previous next »

Author Question: A sponge's structural materials (spicules, spongin) are manufactured by the A) p (Read 857 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
on: Aug 5, 2013
A sponge's structural materials (spicules, spongin) are manufactured by the
A) pore cells.
B) epidermal cells.
C) choanocytes.
D) amoebocytes.


camila

  • Hero Member
  • *****
  • Posts: 705
Reply #1 on: Aug 8, 2013
Answer has to be D, trust me!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Charlie

  • Hero Member
  • *****
  • Posts: 640
Reply #2 on: Oct 18, 2013
Wonderful, you were right, thank you so much.


« previous next »
 

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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.

A structural gene as a transcriptional unit A structural gene as a transcriptional unit
Soil horizons: the structural layers of soil. Soil horizons: the structural layers of soil.
Common structural features of bacterial cells Common structural features of bacterial cells
Structural MRIs of healthy volunteers with a genetic predisposition to developing depression reveals ... Structural MRIs of healthy volunteers with a genetic predisposition to developing depression reveals ...
The U.S. DOT hazardous materials placards as found in the 2012 Emergency Response Guidebook. ... The U.S. DOT hazardous materials placards as found in the 2012 Emergency Response Guidebook. ...
The nuclear envelope is studded with pores, which allow exchange of materials The nuclear envelope is studded with pores, which allow exchange of materials
Video: Introduction to filtration - filtrate formation and composition

For a complete list of videos, visit our video library