1. Completa los huecos en el siguiente texto: Los moluscos son un grupo de animales
invertebrados
La mayoría son
acuáticos
aunque hay
terrestres
algunos
como el caracol de tierra. Todos tienen unas características comunes:
Una
que contiene los órganos sensoriales.
La
donde se concentran los órganos internos, que está recubierta por una
masa de tejido llamada
El
que adopta formas diferentes en los distintos grupos, y que les sirve
para desplazarse, excavar o atrapar presas.
2. Selecciona a qué tipo de moluscos se refiere cada afirmación:​

Is it considered muscle s ennervation if sympathetic fibers innervate the vessels within the muscle?

1. an enzyme is considered a(n) because it speeds up a chemical reaction without being used up.2. in a catalyzed reaction, a reactant is often called a(n) . an enzyme is specific because the shape of its matches only particular reactants.4. an enzyme speeds up reactions by lowering the . the between an active site and its substrate often strains bonds and the reaction proceed.6. a( , which is often a vitamin, binds to an enzyme and plays a role in catalysis.7. high temperatures or changes in ph can an enzyme, causing it to lose its shape and biological activity.

Identify the product of genetic engineering.