Aspectrum for a given element is unique for that element. why is that so?
a. no element has more than 2 electrons in the first shell.
b. each element has an unique arrangment of electrons
c. atoms of different elements have different masses
d. atom nuclei contains no electrons

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

Depending on the organism the number of in a cell may change

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