1st
Protons are ____________.
Positive
Neutrons are ____________.
Neutral
Heat, Electricity, Radiation, Various Chemicals (like acids and bases)
Covalent
Amino Acids are the building blocks of _____________.
Protein
A pH of 6 is _____ times more acidic that 7.
10
What is the primary energy source for cells?
ATP
What is the chemical formula for water?
H2O
What is the name of the monosaccharide that is stored as Glycogen in your muscles and liver?
Glucose
Electrons are __________________.
Negative
A pH of 2 is _____ times more acidic that 7.
100,000
Compounds that contain _____________ are called organic.
Carbon
What is the difference between Autotrophs and Heterotrophs?
Autotrophs make their own food
Where might we find Phospholipids?
Cell Membranes
Triglycerides are a type of fat (lipid) found in your ___________that can be stored in your fat cells.
Blood
So many substances are soluble in water that water is called the Universal ____________.
Solvent
_____________ Tension is when water molecules form an invisible layer which can hold weight.
Surface
Why does ice float in water?
Ice is less dense than water
Which of the following are made of nucleotides?
DNA
An attraction between substances of the same kind.
Cohesion
Name the 4 different Macromolecules.
Carbohydrates, Lipids, Proteins, Nucleic Acids
How many of the 20 Amino Acids are essential and what type of bond connects Amino Acids when forming the primary structure of a protein?
9, Peptide
Different organisms store glucose in various forms. You discover a new species. Upon chemical analysis, you find that it is comprised of significant amounts of starch. To which organism might this new species be related?
Potato
Different organisms store glucose in various forms. You discover a new species. Upon chemical analysis, you find that it is comprised of significant amounts of glycogen. To which organism might this new species be related?
Dog
Name the six most abundant elements in cells.
Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, Sulfur