Exam: GRE (Verbal)

Definition: A type of enzyme that helps add a phosphate group to a sugar molecule, which is important in the process of breaking down carbohydrates for energy.

Example: Hexokinase plays a crucial role in the metabolism of glucose in the body.

Definition: A type of enzyme that helps break down certain complex sugars by removing specific chemical groups from them.

Example: Hexosaminidase is important for processing certain lipids in the body.

Definition: A type of simple sugar that has six carbon atoms in each molecule, including sugars like glucose and fructose.

Example: Glucose is a common hexose that our bodies use for energy.

Definition: The time when someone or something is at its most successful or popular.

Example: The band was at its heyday in the 1990s, with hit songs topping the charts.

Definition: Relating to a hiatus, which is an opening or gap, often used in medical contexts to describe conditions involving the diaphragm.

Example: The doctor explained that a hiatal hernia occurs when part of the stomach pushes through the diaphragm.

Definition: A break or interruption in something, such as time, space, or continuity.

Example: After a long hiatus, the band finally released a new album.

Definition: A place where an animal or plant stays safe and inactive during the winter months.

Example: The bear found a warm hibernaculum to sleep in during the cold season.

Definition: This word describes something that is connected to or happens during the winter season.

Example: The hibernal months are often cold and snowy in many regions.

Definition: The state or quality of being concealed or not visible.

Example: The hiddenness of the treasure made it more exciting to search for.

Definition: Describing someone or something that is very rigid, narrow-minded, or unwilling to change their opinions or ideas.

Example: His hidebound views on education made it difficult for him to accept new teaching methods.