Worksheetsbiol
Total questions: 10
Worksheet time: 11mins
The amount of energy needed for a reaction to occur is called the (a) ?
Which of the following are the features of plants?
move around
can make own food
have cell walls
have chlorophyll
Photosynthesis goal is to
make sugar
make water
make O2 gas
make carbon dioxide
Most chemical reactions in the body rely on enzymes. Why are enzymes are necessary for many cellular reactions?
The reactions are too slow to meet the needs of the cell if enzymes are missing
The reactions take up too much space in the cell if enzymes are missing
Enzymes change reactants from solid to liquid during the reactions.
Enzymes supply the oxygen necessary for the reactions.
Where does ingestion begin?
duodenum
stomach
mouth
colon
The human body maintains a temperature of around 98.6 degrees at all times. Enzymes are involved in almost every chemical reaction in the body. Which of the following describes the connection between these two statements?
The body is kept relatively warm to prevent too much enzyme action.
The body needs to be warm to prevent hypothermia.
Enzymes function best at a specific temperature.
There is no connection between the two statements.
The more CO2 in the air, the faster photosynthesis can occur
True
False
