Bromine is a halogen, one of the elements in the same column of the periodic table of elements
as fluorine. Like fluorine, one bromine atom can form a diatomic covalent molecule with another
bromine atom. Which of the following images represents a stable molecule of bromine, Br2?
A. Diagram A
B. diagram B
C. Diagram C
D. DiagramD

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

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.

The law of states that traits are passed from parents to offspring independently of one another.. true or false