Use the drop-down menus to answer questions about bacteria. Since bacteria are prokaryotes, they have no
The outside of a bacterial cell is protected by a structure called a
.
The
provides a rigid structure that gives the cell its shape.
The
helps to transport ions, nutrients, and waste.

allow DNA to be transferred from one bacterium to another.

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

"your temperature analysis reveals a pattern with coldest temperatures located to the portion of the map."

According to cell theory; which structures carry out the basic function of living things? a. atoms b. organs c. cells b. nuclei