What are two functions of carbohydrates?
1.To serve as nutrient/energy stores
2. Contribute to structural support and protection
True or False
Lipids works as a Energy storage?
True
How many amino acids are there?
20
What are the two types of nucleic acids?
DNA & RNA
What is the monomer of carbohydrates?
monosaccharides (simple sugars)
True of false: carbohydrates are found in agar.
True! It supplies energy for bacterial cultures
Which lipid forms the cell membrane?
Phospholipids
What proteins form channels in bacterial membranes to help transport molecules?
Transport proteins
What are the three major components of a nucleotide?
Phosphate group, Pentose sugar, nitrogenous base
What is the monomer of Nucleic acids?
Nucleotides
What is the suffix used for naming carbohydrates?
-ose
Ex: Glucose, fructose, lactose
What are the two main components of triglycerides?
Glycerol and three fatty acids.
What cellular structure is where proteins are synthesized?
Ribosomes
What are the nitrogenous bases of RNA?
Uracil, Cytosine, Guanine, Adenine
True or False: A peptide is a polymer of proteins composed of short chains of amino acids?
True
What does the human body break down carbohydrates as?
Glucose
What is the primary structural feature of phospholipids?
Hydrophilic head and two hydrophobic tails.
What type of protein speeds up chemical reactions?
Enzymes
True or False? DNA gives RNA specific instructions to make proteins.
TRUE
What are the two monomers of lipids?
Glycerol and fatty acids
True or False: Peptidoglycan does not contain carbohydrates.
False! Peptidoglycan contains polysaccharides
What are the four main types of lipids?
Triglycerides, Phospholipids, Steroids and Waxes.
What receives and responds to chemical signals?
Receptors
What does DNA stand for?
deoxyribonucleic acid
Why are macromolecules important for living things?
They are the building blocks of cells