<p>To determine which statement is incorrect about the circulatory system of molluscs, we can analyze the provided statements one by one:</p><p>1. <strong>Statement about Hemocyanin</strong>: The first statement mentions that the blood contains a respira
Jeanne Villepreux Power invented the first fish tank in the 19th century. She was a French seamstress and a cephalopod researcher of the time. When she wanted to observe the paper nautilus in her lab, she made a modern glass fish tank and conducted her research. Since then, the fish tank...
<p>To determine which mollusks exhibit asymmetry due to torsion, we can follow these steps:</p><p>1. <strong>Understand Torsion</strong>: Torsion is a developmental process in certain mollusks where the body twists 180 degrees, leading to asymmetry. This
While arthropod haemocyanin has a maximum diameter of 25 nm under an electron microscope and a subunit has a molecular weight of 75,000 Da, mollusc cyanins are much larger. Thus e.g. the haemocyanin ofMegathurahas a diameter of 35 nm and is composed of 2 subunits. Each subunit has a...