Name that...
What are the three parts of a nucleotide?
Phosphate, nitrogenous base, sugar
What is glucose?
A monosaccharide (one sugar)
What are the four macromolecules?
Lipids, proteins, nucleic acids, carbohydrates
What are the 8 characteristics of life that we discussed?
Order
Heredity/DNA
Reproduction
Growth and development
Response to the environment
Evolutionary adaptation
Energy Processing
Regulation
Which polysaccharide is found in cell walls of plants?
cellulose
What is the difference between DNA and RNA?
DNA is double stranded, while RNA is single stranded. DNA contains deoxyribose, while RNA contains ribose
What is the unifying characteristic of lipids?
They are all hydrophobic
What does it mean that all macromolecules are organic?
They all contain carbon atoms
What is water made of?
Hydrogen and oxygen atoms
What does CER stand for?
Claim, evidence, and reasoning
What type of macromolecule is an enzyme?
protein
What are the main types of lipids?
triglycerides, phospholipids, steroids
What is the reaction that connects monomers?
Dehydration synthesis
What does polar mean?
It’s the unequal sharing of electrons
Water dissolves many things meaning it is a good
solvent
What do enzymes do?
They catalyze/speed up chemical reactions.
Where can you find phospholipids?
In the cell membrane
What is the reaction that breaks down polymers?
hydrolysis
Which atom(s) pull electrons towards it?
Hydrogen atoms
If something is “water-loving” it is called…?
Hydrophilic
How can the environment affect enzymes?
pH, temperature and substrate concentration can optimize the performance of enzymes or can cause them to denature.
What are the two types of nucleic acids?
DNA/RNA
What are the main three types of carbohydrates?
Monosaccharide, disaccharides, polysaccharides
What type of bond is between water molecules?
Hydrogen bonds
Name the properties of water
Cohesion
Adhesion
Capillary Action
Surface Tension
Universal Solvent
Specific Heat Capacity (high)
Hydrophobic vs. Hydrophilic