Exam: GRE (Verbal)

Definition: A group of people who own and control plantations, often having significant power and influence in society and government.

Example: The plantocracy held significant sway over the political decisions of the region.

Definition: A clear, yellowish fluid found in blood, lymph, or other bodily fluids that carries cells and nutrients. It can also refer to a state of matter made up of charged particles, such as ions and electrons.

Example: The doctor explained that the plasma in blood helps transport nutrients and waste.

Definition: The plasmalemma is a thin layer that surrounds a cell, also known as the cell membrane, which controls what enters and leaves the cell.

Example: The plasmalemma plays a crucial role in maintaining the cell's environment.

Definition: A medical procedure that involves removing plasma from a person's blood and returning the other parts, like red blood cells, back to them.

Example: The doctor recommended plasmapheresis to help treat the patient's autoimmune disorder.

Definition: Relating to or having the qualities of plasma, which is a state of matter similar to gas but with charged particles.

Example: The scientist studied the plasmatic properties of the new material.

Definition: A small, circular piece of DNA that can replicate independently inside a cell, often found in bacteria and used in genetic research to move genes between cells.

Example: Scientists use plasmids to insert new genes into bacteria for research purposes.

Definition: A type of enzyme in the blood that helps break down blood clots by dissolving fibrin, which is a protein that forms the structure of clots.

Example: Plasmin plays a crucial role in the process of healing by breaking down clots after they are no longer needed.

Definition: A substance in the body that is inactive until it is converted into plasmin, which helps break down blood clots.

Example: Plasminogen is essential for the process of clot breakdown in the body.

Definition: A type of organism that can be a parasite causing malaria or a stage in the life cycle of slime molds, characterized by a mass of cytoplasm with multiple nuclei.

Example: The doctor explained that plasmodium is responsible for the spread of malaria in tropical regions.

Definition: The process where the cytoplasm of two or more cells merges together without the nuclei combining, often seen in certain fungi.

Example: In some fungi, plasmogamy occurs before the nuclei fuse, leading to a unique reproductive cycle.