Chemistry of Life /
Water Properties
Water Properties
Weak attractions between water molecules are called ___.
Hydrogen bonds
Which compound is used as a main source of energy for living things?
carbohydrates
Proteins are synthesized from smaller organic compounds known as ___.
amino acids
___ provides energy for cell processes.
ATP
Process where organisms keep internal conditions constant is called __.
homeostasis
A single water molecule is held together by _____ bonds.
covalent
(drawn structures on the board)
Which is monomer that makes up carbohydrates?
(hexagon shape = monosaccharide)
Protein polymers (chains of amino acids) are called ___.
Polypeptides
The substance an enzyme acts on is called the __.
substrate
Our toothpickase enzymes broke almost 3000 toothpicks in 12 minutes.
Is this quantitative or qualitative data?
QUANTitative = Quantity = # data
Plant roots absorb water and transport it to their leaves due to ___.
capillary action (caused by adhesion and cohesion).
Lipids that are solid at room temperature are ___ fats.
Solid = Saturated
Which macromolecule type stores and transmits genetic information?
Nucleic Acids
What does an enzyme have that makes sure it only binds to one type of substrate?
active site
An idea supported by facts and evidence is known as a __.
theory
Cohesion and adhesion are possible because of ____ bonds.
Hydrogen
The triglyceride is a complex form ("polymer-like") of ___.
Lipids
Enzymes are types of ___ that carry out chemical reactions that either build up or break down sustances.
proteins
When temperature or pH is too high or too low, enzymes ___.
denature and slow down.
When doing an experiment, what's the purpose of the control group?
to have something for comparison
Water striders live on water's surface due to strong ___ created by ___ between water molecules.
strong surface tension created by cohesion
lipids
Nucleotides are composed of a __, phosphate, and nitrogen base.
sugar (either ribose for RNA or deoxyribose sugar for DNA)
The energy to make ATP comes from __.
A factor that might affect the outcome of the experiment is called the __.
variable