« previous next »

Author Question: A sponge's structural materials (spicules, spongin) are manufactured by the A) p (Read 853 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?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Elastic fibres are made of elastin, one type of structural protein found in the ECM of animal cells Elastic fibres are made of elastin, one type of structural protein found in the ECM of animal cells
Soil horizons: the structural layers of soil. Soil horizons: the structural layers of soil.
Structural MRIs reveal cortical loss in adolescent patients with schizophrenia. Here dark blue ... Structural MRIs reveal cortical loss in adolescent patients with schizophrenia. Here dark blue ...
Nine labels used to identify hazardous materials in the Global Harmonization System (GHS). Top row: ... Nine labels used to identify hazardous materials in the Global Harmonization System (GHS). Top row: ...
Roof Structural System Roof Structural System
Lac repressor protein binding. The crystal structural model of Lac repressor binding at lacO Lac repressor protein binding. The crystal structural model of Lac repressor binding at lacO
Video: Electrical Conduction System of the Heart

For a complete list of videos, visit our video library