Biochemistry 9th grade with correct answers 2023-24

Biochemistry 9th grade What would scientist test to determine if acid in a pond is increasing? - correct answer pH levels Buffer - correct answer A chemical that resists pH change What is the function of protein - correct answer Controls cell functions and builds muscle What do carbohydrates usually end in - correct answer -ose....Example: glucOSE What organic compound is the main source of energy for living things - correct answer Carbohydrates What is the main source of energy for bears who are hibernating - correct answer Lipids The energy to perform actions as well as the materials from which body cells and tissues are made, comes from - correct answer food Maltose is a - correct answer sugar What specifically does a buffer do for your body - correct answer helps maintain homeostasis What common substance does not contain carbon - correct answer water An acid has a pH of - correct answer 0- <7 A base has a pH of - correct answer >7-14 Neutral pH is - correct answer 7 building blocks of proteins are - correct answer amino acids building blocks of nucleic acids are - correct answer nucleotides building blocks of lipids are - correct answer building blocks of carbohydrates are - correct answer sugar/glucose which macromolecule does not mix with water - correct answer lipid Main function of a nucleic acid is - correct answer store and transmit genetic information Main function of a lipid is - correct answer long energy storage/ main structural components of membranes Main function of a carbohydrate - correct answer quick energy What macromolecule do you not ingest - correct answer nucleic acids What is an enzyme - correct answer A catalyst Name two places that you would find buffers in your body - correct answer blood, stomach, tears Cleaners are usually what on the pH scale - correct answer bases Starch is an example of a - correct answer carbohydrate Beans, meats, nuts, etc. are examples of - correct answer proteins Enzymes usually end in what suffix - correct answer -ASE, ex: lactase An example of a simple carb is - correct answer candy, glucose What macromolecule is an enzyme - correct answer protein What is the region called where an enzyme binds with the substance it is acting on - correct answer Active site What factors affect enzyme activity - correct answer pH and temperature. The enzyme will decrease if either is changed