ABCDEFGHIJKLMNOPQRSTUVWXYZ
1
BIOLOGY
2
LISTVOCABULARY WORDDEFINITION
3
LIST 1independent variablevariable a variable (often denoted by x ) whose variation does not depend on that of another; it’s what the researcher adjusts & is testing
4
Scientific Methoddependent variablea variable (often denoted by y ) whose value depends on that of another; it’s what the researcher measures
5
CramSTUDYcontrol variablevariables in the experiment that remain constant to maintain fairness in the experiment
6
HW GoogleSTUDYprecisemarked by exactness; using the smallest measurements possible
7
Quizizzaccuratecorrect
8
hypothesisan educated guess based upon background knowledge and parts of the scientific method
9
confirmation biasthe tendency to interpret new evidence as confirmation of one's existing beliefs or theories
10
datadata- facts and statistics collected together for reference or analysis
11
pseudofake, not real
12
par- para-beside, near, equal
13
LIST 3biotic magnificationincreasing concentration of a substance, such as a toxic chemical, in the tissues of tolerant organisms at successively higher levels in a food chain.
14
Ecologyexponential curve(J-curve) occurs when there is no limit to population size
15
CramSTUDYlogistic curve(S-curve) occurs when there is a limiting factor to population growth
16
HW GoogleSTUDYcarrying capacitythe number of organisms an area can support without environmental degradation
17
Quizizzdenitrificationprocess by which bacteria convert N into atmospheric Nitrogen
18
nitrogen fixationpart of the nitrogen cycle where bacteria convert nitrogen in the soil into usable form for the plants
19
extinctiontermination of a species; there are no more
20
endangereda species in danger of extinction throughout all or significant portions of its range
21
capill-hair
22
-lys, -lyt, -lystdecompose, split, dissolve
23
LIST 4ribosomeprotein makers; most numerous organelle found free floating in cytoplasm or attached to the ER;
24
Cells 1: Structure & Functionendoplasmic reticulumlarge system of membranes connecting the nuclear membrane to the cell membrane; smooth ER makes lipids; rough ER helps form proteins
25
CramSTUDYvacuolestorage area inside the cell; stores water, salts, proteins, & carbohydrates
26
HW GoogleSTUDYgolgi apparatusmodifies, sorts, and packages the proteins arriving from the endoplasmic reticulum; finishing touches are added here
27
Quizizzlysosomesthe "recyclers" of the cell; digests carbohydrates, proteins, lipids into smaller molecules
28
mitochondriathe "powerhouse" of the cell; converts glucose into the usable energy of ATP for the cell
29
chromoplasts"color"; these plastids contain pigments of every color except green; give fruits & flowers color for the attraction of pollinators
30
chloroplaststhese plastids absorb solar energy and convert it into chemical energy in the form of glucose by a process called photosynthesis; only in plant cells
31
arth-joint, articulation
32
port-carry
33
LIST 5plasma membranemembrane of lipids and proteins that form the external boundary of the cytoplasm of a cell or encloses a vacuole; regulates what enters/exits the cell
34
Cells 2: homeostasisactive transportthe physical movement of ions or molecules across a cell membrane into a region of higher concentration; enzymes & energy are required
35
CramSTUDYpassive transportthe movement of substances across a cell membrane without expending energy; molecules move along a concentration gradient
36
HW GoogleSTUDYdiffusionthe spreading of something more widely; solutes spread out in a solvent
37
Quizizzosmosisnet movement of a solvent (water) through a semi-permeable membrane into an area of higher solute concentration; water 'spreads out' until both sides have equal amounts of water
38
concentration gradientnatural process of solutes to move through a membrane from an area that has a higher number of particles to an area with a lower number of particles
39
permeablea membrane allows molecules to pass through it; the cell membrane is semi-permeable
40
differentiationprocess of a cell changing from one type of cell into another; from zygote to cell types: (stem, red blood, white blood, platelets, nerve cells, etc.)
41
sacchar-sugar
42
histtissue
43
LIST 6contractile vacuolea vacuole in some protozoans that expels excess liquid on contraction
44
Cells 2: homeostasis (Protists)flagelluma long, whip-like membrane-enclosed organelle used for locomotion or feeding
45
CramSTUDYpseudopoda"false foot"; temporary cytoplasmic projections of the cell membrane in amoeboids that aid in feeding and movement
46
HW GoogleSTUDYciliuma short, microscopic hair-like vibrating structure; large numbers of them move in unison to propel some protists through the water
47
Quizizzmacronucleusthe larger type of nucleus in a paramecium ; everyday functions of the cell are governed by this nucleus
48
micronucleussmall nucleus in a paramecium; involved in reproductive functions of the organism; DNA
49
anal porestructure in various protists where waste is ejected after the nutrients from food have been absorbed in the cytoplasm
50
oral groovea channel with cillia-whose movement sweeps food into the protist for digestion
51
phag-eat
52
telo-end
53
LIST 7vascular systemhaving vessels to carry water/minerals up and down the plant using phloem and xylem
54
Plantsgymnosperm"naked seed" a plant with seeds that are unprotected by an ovary or fruit; no flowers; oldest kind of seed plants
55
CramSTUDYangiospermflowering plant that produce seeds inside of a fruit
56
HW GoogleSTUDYgeotropisma plant's response to gravity
57
Quizizzthigmotropisma plant's response to physical touch
58
phototropisma plant's response to light
59
hydrotropisma plant's response to water
60
cuticlewaxy, waterproof covering of a leaf; prevents desiccation (drying out)
61
aden-gland
62
dur-hard
63
LIST 8xylempart of a plant's vascular system: path that water and minerals take up the plant
64
Cell Energy 1phloempart of a plant's vascular system: path that glucose from the leaves take down the plant
65
CramSTUDYtranspirationprocess by which plants lose water through the leaves
66
HW GoogleSTUDYlight reaction"light trapping" steps of photosynthesis which occurs in the chloroplasts of mesophyll cells
67
Quizizzdark reactionsecond part of photosynthesis, trapped energy is used to make glucose from carbon dioxide in this step
68
glucosesimple sugar made through photosynthesis by a plant
69
thylakoidflattened sacks in the chloroplast that stack upon one another; place where light dependent reactions occur
70
stromacolorless fluid surrounding the grana; dark reactions occur here as part of the Calvin Cycle
71
hypo-below, under, less
72
hyper-above, beyond, over
73
LIST 9reactantthe starting matter at the start of a chemical reaction
74
Cell Energy 2productthe resulting matter at the end of a chemical reaction
75
CramSTUDYATPadenosine triphosphate; form of energy that cells can use
76
HW GoogleSTUDYalveolipockets in the lungs that meet blood vessels to exchange oxygen through diffusion
77
Quizizzcristaefolds of the mitochondria where cellular respiration occurs
78
glycolysisChemical reaction that occurs in the cytoplasm where glucose is broken down in the absence of oxygen
79
lactic acid fermentationchemical reaction that turns glucose into lactic acid in the absence of oxygen
80
cellular respirationchemical reaction within mitochondria where glucose is broken down in the presence of oxygen to make ATP
81
macr-large
82
micro-small, millionth
83
LIST 10proteinmost complex macromolecule, made of monomer: amino acids which are linked by peptide bonds;
84
Biochemistry 1nucleic acidmacromolecule made of a sugar + nitrogen base + phosphate group; stores cellular information in the form of a code; monomer = nucleotides
85
CramSTUDYcarbohydratesmallest macromolecule; ring shape of carbon atoms; provides energy for the cell/sugar; monomer = monosaccharide
86
HW GoogleSTUDYlipidlarge macromolecule made of the monomers of glycerol + three fatty acid chains; stores energy for the cell
87
Quizizzenzymeproteins that catalyze (speed up) reactions
88
substratemolecule upon which the enzyme acts
89
active siteplace where the enzyme bonds to the substrate
90
biochemistrybranch of biology regarding the chemical reactions within an organism
91
angi-blood, vessel, duct
92
my-muscle
93
LIST 11mitosisin multi-celled organisms, cells within the organism divide for growth and repair
94
Cell Divisionmeiosisin sexual reproduction, the special sex cells (sperm & egg) divide after recombining DNA forming 4 gamete cells
95
CramSTUDYbinary fissionin single-celled organisms, the cell divides into two identical organisms
96
HW GoogleSTUDYcancerthe uncontrolled division of a cell/cells within an organism due to mutations
97
Quizizzchromosomea threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes; become short and fat at the start of mitosis
98
chromatidone of the usually paired and parallel strands of a duplicated chromosome that are joined
99
centromereregion where sister chromatids join; this is where spindles attach during mitosis and meiosis
100
cytokinesisthe cytoplasmic division of a cell at the end of mitosis or meiosis, bringing about the separation into two daughter cells.