Exam: TOEFL

Definition: A type of protein found in blood plasma that has a large molecular size and plays a role in the immune system.

Example: Macroglobulin levels can be measured to help diagnose certain medical conditions.

Definition: Relating to large molecules made up of many smaller units, often found in biological systems.

Example: Proteins and nucleic acids are examples of macromolecular structures in living organisms.

Definition: A large molecule made up of many smaller units that are connected together, often found in substances like proteins and plastics.

Example: Proteins are an example of a macromolecule that plays a crucial role in biological processes.

Definition: A symbol placed above a vowel to show that the vowel is pronounced for a longer duration or has a specific phonetic value.

Example: In the word 'fāther', the macron over the 'a' indicates that it is a long vowel sound.

Definition: The larger nucleus found in certain single-celled organisms, which manages the cell's everyday activities like metabolism and growth.

Example: In ciliate protozoans, the macronucleus plays a crucial role in regulating metabolic processes.

Definition: A type of substance that is needed in large amounts for the growth and health of living organisms, including proteins, carbohydrates, and fats.

Example: Proteins, carbohydrates, and fats are all important macronutrients that our bodies need to function properly.

Definition: A type of large cell in the immune system that can engulf and digest foreign substances like bacteria and viruses.

Example: Macrophages play a crucial role in the body's defense against infections.

Definition: Relating to a type of white blood cell that engulfs and digests cellular debris and pathogens.

Example: The macrophagic response is crucial for the immune system to fight infections.

Definition: A large scale that is often used to describe something that is extensive or significant in size or scope.

Example: The project was designed to operate on a macroscale, affecting thousands of people.

Definition: Referring to objects or phenomena that are large enough to be seen without the help of a microscope or other magnifying tools.

Example: The macroscopic view of the landscape revealed the vastness of the mountains and valleys.