Cooking an egg is a set of chemical changes because chemical bonds are broken and new ones are made, resulting in the formation of new substances. In this case many of the bonds broken are those which cause the egg's proteins to be folded into a globular shape. The protein chains unfold and become entangled causing the setting effect. This is often called denaturing. Whether or not a change can be reversed has no bearing on whether it is chemical or physical. This particular change is almost impossible to reverse because of entropy effects but that simply isn't true of all chemical reactions, and there are many physical changes which are hard to reverse.
Bug - metamorphosis
Cow - produce milk through mammary gland
Worm - regenerate
Sponges - regenerate
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Animal Processes</h3>
Bugs generally belong to the insect group that grows by metamorphosis. While some undergo complete metamorphosis, some undergo incomplete metamorphosis.
Cows generally belong to the group of animals known as mammals. They have mammary glands which serve as milk-producing glands for the nourishing of young ones.
Sponges and some worms are able to regenerate new organisms from their broken parts.
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The enzyme amylase is the enzyme that matches up to the active site in starch to allow for its break down process. A different enzyme is needed to break down cellulose because amylase would not fit the same way into the cellulose active site in the way that the correct active site would.
Answer:
A. It Shows that organisms have changed over time.
Explanation:
Botulism<span> is a disease </span>caused<span> by this neurotoxin (specifically A, B, E, or F type neurotoxin); symptoms include a </span>flaccid paralysis<span> (weakness or slackness) in various muscles. The neurotoxin is produced by bacteria called Clostridium</span>botulinum<span>. The neurotoxin paralyzes muscles and </span>can<span> be deadly.</span>