A substrate is a substance that is affected by an enzyme. In order for an enzyme to be effective, it must —
Which statements are true about enzymes?
Select THREE correct answers.
Which of the following statements is TRUE about the ACTIVE SITE of an enzyme?
The sweet taste of freshly picked corn is due to the high sugar content in the kernels. Enzyme action converts about 50% of the sugar to starch within one day after picking. To preserve its sweetness, the freshly picked corn is immersed in boiling water for a few minutes, and then cooled.
Which statement most likely explains why the boiled corn kernels remain sweet?
Proteins and carbohydrates are alike in that both —
The functions of two biomolecules are provided.
Classify each biomolecule as either a protein, nucleic acid, carbohydrate or lipid.
Salivary amylase is an enzyme that aids in the breakdown of starch into sugars. The effect of temperature on amylase activity is shown.
Which statement best explains why the rate of reaction decreases when the temperature increases above 30 degrees Celsius?
The diagram illustrates a biological process.
Which model best represents the molecules at the end of the reaction?
A process that occurs in the human body is shown in the diagram.
What would happen if a temperature change caused the shape of the active site to be altered?
The cellular functions associated with the biomolecules present in four different samples are shown in the table.
Which sample most likely contains protein?