A euglena is a microorganism that can either make its own food using energy from the Sun, or it can feed on other organisms to get the nutrients and energy that it needs.
Which of the following statements is demonstrated by the euglena?

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

What is the role of dna ligase in the elongation of the lagging strand during dna replication?

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.