Organization of Life
order, response to stimuli, reproduction, adaptation, growth and development, homeostasis, energy processing
What are the characteristics of life?
A proposed explanation for an observation
What is a hypothesis?
centermost region that contains protons and neutrons
What is the nucleus?
A bond between that occurs when there is one or more electrons transferred from one atom to another
What is an ionic bond?
Having partial positive and negative charges makes water a [blank] molecule
What is polar?
A pH below 7
What is an acid?
Linking many glucose molecules together to form starch involves a [blank] reaction
What is dehydration synthesis?
The monomer for carbohydrates
What is a monosaccharide?
This type of fatty acid will not have the maximum number of C-H bonds and will have at least one C=C double bond
What is an unsaturated fatty acid?
Groups of cells with a similar function
What are tissues?
Serves as a baseline for comparison
What is the control group?
describes an atom with unequal numbers of protons and electrons
What is an ion?
a bond where electrons are shared equally
What is a nonpolar covalent bond?
water doesn't interact well with lipids since lipids are...
What is nonpolar/hydrophobic?
A pH above 7 has more of these ions than H+ ions
What are OH- (hydroxide) ions?
Digestion of macromolecules involves this type of chemical reaction
What is hydrolysis?
the name for a polymer of carbohydrates
What is a polysaccharide?
This type of fatty acid has the maximum number of C-H bonds and no C=C bond
What is a saturated fatty acid?
Group of cells that don't have a nucleus, membrane-bound organelles, and are unicellular
What are prokaryotes?
the group receiving the treatment or the one being tested
What is the experimental group?
Number of protons + number of neutrons = ?
What is atomic mass?
this type of bond occurs between the oxygen and hydrogen in a single water molecule
What is a polar covalent bond?
Ice floats on liquid water since it has a lower...
What is density?
A change from pH 3-5 is a [blank] times change
What is 100 times?
This molecule is lost during a dehydration synthesis reaction
What is water?
This disaccharide is found in dairy products
What is lactose?
What is hydrophobic?
Bacteria, Archaea, Eukarya
What are the domains of life?
The variable that the researcher manipulates
What is the independent variable?
Atoms with the same number of protons but different number of neutrons
What are isotopes?
Water is good at dissolving many things, which makes it a great...
What is a solvent?
A change from pH 3 to pH 5 makes the solution less...
What is acidic?
The number of linked monomers needed to qualify as a polymer
What is at least 3?
this polymer is found in plant cell walls
What is cellulose?
the lipid that forms the majority of the structure of the cell membrane
What are phospholipids?
Includes plants, animals, fungi, and protists
What is domain Eurkarya?
variables that are kept the same between control and experimental groups
What are standardized variables?
The number of electrons need for a full valence shell beyond the first shell
What is 8?
Describes the affinity or "pull" on electrons
What is electronegativity?
A measure of how easy it is to break through a liquid. Water has a relatively high one.
What is surface tension?
Chemicals that can absorb additional H+ or OH- ions
What are buffers?
This biomolecule group doesn't have a true monomer/polymer structure
What are lipids?
This polysaccharide is what humans use to store excess sugars
What is glycogen?
this lipid has a characteristic 4-carbon ring structure
What is a steroid?