What is a trophic level? * O Different levels of nutrients present within an organism.
O Each level represented within a food chain or web.
O Levels of ecosystems that the world is divided into.
O The levels of sunlight an autotroph needs to survive.

1. environmental factors, such as ph and temperature, can affect the function of an enzyme. a. true b. false 2. which of the following is an organic molecules (ex. vitamins) that an enzyme? a. coenzyme b. product c. active site d. substrate 3. how do enzymes effect the speed of a chemical reaction? a. they speed it up b. they slow it down c. they have no effect on the speed of a reaction 4. during a chemical reaction, an enzyme is used up so that it can only be used one time. a. true b. false 5. which of the following results from a chemical reaction that is catalyzed by an enzymes? a. active site b. product c. substrate d. coenzyme

How does a lytic infection differ from a lysogenic infection?

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.