Life Substances Flashcards
How many valence electrons does carbon have?
4
What is a disaccharide
2 sugars
Three examples of carbs
Soft drinks pasta potatoes
Four examples of lipids
Fats waxes steroids oils
What are three jobs of lipids
Insulate the body protect organs store energy
What is the difference between a saturated and unsaturated fat
Saturated fat is single unsaturated fat is double
Which is from a animal and which is from a plant
Saturated:animals unsaturated:plants
Which is better for you
Unsaturated
What is the building block of carbohydrates
Monosaccharides
What do sugars end in
Ose
What is the function of carbohydrates in the body
Gives us energy
When a polysaccharide is broken down what is it broken down into
Monosaccharides
Explain the difference between a monomer and a polymer
Monomer means one
Polymer means many
Give two examples of nucleic acids
DNA RNA
Give two examples of proteins
Meat eggs
What is the building block of proteins
Cells
How many amino acids are there
20
What are the functions of proteins in a cell
Build, get energy, act as hormones
What are the directions to make nucleic acids
Proteins
What is the building block of a nucleic acids
Nucleotide
What type of bond holds amino acids in a protein together
Reptide bonds
What is the function of an enzyme
Speed up digestion
What are the three parts of a nucleotide
Sugar, nitrogen base, and phosphate
How do you make a protein
Dehydration synthesis
What are the four nitrogen bases for DNA
Adenine, guanine, thymine, and cytosine
Follow the order from smallest to largest
DNA, gene, chromosome, and nucleus