Biology Final Quizlet Style Flashcards
What is the most important element to life?
Carbon
A compound found mainly in living things is known as an ____________.
Organic Compound
Why is carbon so basic to life?
It is found in virtually all living things.
How many types can organic compounds be grouped into?
4
What is a carbohydrate?
Carbohydrates are an organic compound such as starch or sugar and is used to store energy.
What is a monosaccharide?
Simple sugar such as fructose or glucose.
What 3 elements are carbohydrates made up of?
Carbon, hydrogen, and oxygen.
Please give 2 examples of a monosaccharide.
Fructose and Glucose.
What is a disaccharide?
Two monosaccharides joined together.
What is a polysaccharide?
Three or more monosaccharides are joined together.
Please provide 2 main functions of carbohydrates.
- Storing energy
- Forming structures in living things.
What is a protein?
Organic compound made up of small molecules called amino acids.
What are the building blocks of proteins? How many are there known to man?
Amino acids and 20.
What is a peptide?
Short chain of amino acids.
What is a polypeptide?
Long chain of amino acids.
What are 3 major functions of proteins?
- Proteins make up muscle tissue
- Transport items in and out of cells
- Proteins help cells keep their shape.
How many essential amino acids are there?
9
What is a lipid?
Organic compound such as fat or oil.
What is saturated fatty acid? Give definition and provide 1 example.
Carbon and hydrogen atoms are tightly packed, meat and butter.
What is an unsaturated fatty acid? Please give definition and provide 1 example.
Not tightly packed, almonds and oil.
Please list the 3 other types of lipids.
- Triglycerides
- Phospholipids
- Steroids.
What are triglycerides?
The main form of stored energy in animals, like sugary food.
What are phospholipids?
The major components of cell membranes.
What are steroids?
Serve as chemical messengers and have other roles.