B. It goes in an equation: Reactants <-> Products
Answer:
A. The complementary shapes of an enzyme and a substrate
Explanation:
The Lock-and-Key model was made to show how an enzyme's active zone fits a substrate and how they bond together. It correlates just like a lock and a key; you have to have the correct-shaped key in order to open a lock. Same process of thought with the enzymes; you must have the same shape for both in order to bind together,
A coral reef is a complex [ecosystem] of calcium carbonate shells that are home to microbes, algae, invertebrates, and fishes, and its high productivity helps provide great species richness.
The purpose of a presumptive test is to see which substance the sample is.
Answer:
ᗷEᑕᗩᑌᔕE
ITᔕ ᐯEᖇY IᗰᑭOᖇTᗩᑎT Iᑎ ᗰᗩᖇKET ᑕOᑎᑭETITIᐯEᑎEᔕᔕ. ITᔕ IᗰᑭOᖇTᗩᑎT ᗷEᑕᗩᑌᔕE ᗷEᑕᗩᑌᔕE YOᑌ ᑕᗩᑎ ᒪEᗩᖇᑎ ᗩᗷOᑌT ᗷᑌIᔕEᑎEᔕᔕ, Oᑎ ᕼOᗯ IT ᗯOᖇKᔕ ᗩᑎᗪ Oᑎ TᕼEIᖇ E᙭EᖇIEᑎᑕEᔕ. TᕼIᔕ Iᔕ IᗰᑭOᖇTᗩᑎT TO KEEᑭ TᕼE ᗷᑌIᔕEᑎEᔕᔕ ᔕᑌᑕᑕEᔕᔕᖴᑌᒪ, ᗩᑎᗪ OᖇGᗩᑎIᘔEᗪ.
