Exam: Cambridge English: C1 Advanced (CAE)

Definition: A type of sugar that has five carbon atoms and is found in important biological molecules like RNA and nucleotides.

Example: Ribose is essential for the structure of RNA, which plays a key role in protein synthesis.

Definition: Relating to ribosomes, which are small structures in cells that help make proteins.

Example: The ribosomal RNA plays a crucial role in protein synthesis.

Definition: A small structure in cells made of RNA and protein, where proteins are made based on instructions from messenger RNA.

Example: Ribosomes are essential for protein synthesis in all living cells.

Definition: A type of RNA that can act like an enzyme, helping to speed up chemical reactions involving other RNA molecules.

Example: Scientists discovered a ribozyme that can cut RNA at specific locations.

Definition: A type of sugar that is involved in the process of photosynthesis and has a specific chemical structure.

Example: Ribulose is important for the conversion of carbon dioxide into organic compounds during photosynthesis.

Definition: A toxic protein that comes from the seeds of the castor bean plant, often used in scientific research.

Example: Ricin is highly dangerous and can be lethal if ingested or inhaled.

Definition: Connected to a type of bacteria known as rickettsias, which can cause diseases in humans and animals.

Example: The doctor diagnosed the patient with a rickettsial infection after reviewing the symptoms.

Definition: A wide, often unnatural smile or grimace, usually showing teeth, that can indicate surprise or distress.

Example: The actor's face froze in a rictus of horror as the scene unfolded.

Definition: Behaving in a way that is morally right or just; having good character and principles.

Example: She is known for her righteous actions in the community, always helping those in need.

Definition: People who are morally right or just, often seen as virtuous or ethical.

Example: The community was known for its righteous, compassionate members who always helped those in need.

Definition: The quality or state of being morally right or justifiable; it refers to actions or behaviors that are considered good, fair, and in accordance with moral principles.

Example: Many people strive for righteousness in their daily lives by helping others and making ethical choices.