The embryos of both mammals and reptiles are protected by amniotic fluid. What is this type of trait called? * a. cladogram
b. outgroup
c. derived
d. molecular evidence

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

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

One of the purposes of transcription is to produce a sequence of bases that