Enzymes are biological catalysts<span> that carry out thousands of chemical reactions, which occur in living cells. Enzymes are large protein molecules with specific three-dimensional structures. Each enzyme </span>catalyzes<span> a specific </span>reaction<span>, or specific type of </span>reaction<span>, that involves specific substrates.</span>
Answer:
a. an organism that has two different alleles for a trait
b. possible genotypes for the offspring
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<span>If the liver cells of an animal have twenty-four chromosomes, the same animal would have twelve chromosomes in its sperm cells. Chromosomes are paired into two types, the X and Y components. The Y components are the sperm cells of an animal.</span>
Answer:
The function of the molars and premolars is to chew the food. There is 4 premolars and 6 molars in each jaw. <em>I hope it helps you....</em>
The main reason is because they are heavy, and because they don't have to chase their food. They're not predators and their shells give them protection like running away gives protection to other herbivores.