molecules that vary in form or arrangement but contain same #/types of atoms
Isomers
Covalent bond between two amino acids
Peptide bond
Simplified formula of carbohydrates
C(H2O)
nucleotides
Components of a triglyceride
Glycerol & 3 Fatty Acids
Major difference between plant and animal cells
Cell wall, large central vacuole, chloroplast
Type of bond in water
Polar covalent
What is FAD+ used for?
electron acceptor

If Z inhibits Enzyme 2, which product would first build up in the cell?
X
Stage in which water is an input/lysed
Light reactions
Occurs in cytoplasm
Glycolysis
In human mitosis the resulting cell is Xn=46.
What is X?
2
signal released by cell has effect on neighboring cell
paracrine
Number of bonds formed by carbon
4
The structure of an amino acid
H
NH2 -C-COOH
R
double sugar
disaccharide
Purines
Adenine & Guanine
Molecule responsible for the insolubility of the cell membrane in water
Phospholipid
What is the function of the nucleolus?
Makes ribosomes
If you added sugar to water, would the water potential decrease or increase
decrease (more negative)
Where is ATP generated?
Chloroplast stroma and/or Mitochondrial matrix
Why would an enzyme be denatured in acidic conditions?
acid would interrupt the interaction between charged amino acids (tertiary structure)
What is the primary role of light in photosynthesis?
Light excites electrons in chlorophyll that are captured by the primary electron acceptor
Area in mitochondria with low pH
Intermembrane spaces
Stage in which DNA is copies
S
signaling in which hormones travel throughout body via the circulatory system
endocrine
Atoms that vary in the number of neutrons
Isotopes
Bonds stabilizing secondary structure
H
What is a condensation reaction?
The removal of water during the synthesis/formation of a polymer
# H bonds between C & G
3
Steroid affecting the fluidity of animal cell membranes
Cholesterol
In cells, what functions to give shape, enable movement, and anchor organelles
Microtubules, microfilaments and intermediate fibers
or Cytoskeleton
Most ideal SA:V ratio: 8:1, 4:1, 1:1
8:1
The oxygen consumed during respiration results in the production of?
H2O
Substance that changes shape of active site of an enzyme but is non-competitive
allosteric inhibitor
3 Inputs of Calvin Cycle
CO2, ATP, and NADPH
Location of Krebs Cycle
Matrix
What is a kinetochore?
Structure that links the centromere to spindle apparatus
3 stages to cell communication
1. Reception 2. Transduction 3. Response
chemical property of methyl group CH3
non-polar
Term for protein's native conformation changing
Denaturation
Why can we not digest cellulose?
We don't have the enzyme (to digest b-glucose)
term describing DNA running 5' -> 3' in opposite directions
antiparallel
Type of covalent bond present in triglycerides
Ester linkage
How do prokaryotes differ from eukaryotes? (give 2 examples)
no nucleus, circular DNA, no membrane bound organelles, smaller
Type of transport in which molecules are pumped against their concentration gradient
Active
Two of the three types of work done by ATP
chemical, transport, mechanical
increase rate of reaction by decreasing this
activation energy
Most abundant enzyme on earth, capture CO2 in Calvin Cycle
Rubisco
Output of glycolysis
(2) pyruvates, (4) ATP, (2) NADH
Protein that regulate cell cycle
Cyclin
Enzyme that adds phosphate to a protein to activate it
Protein kinase
chemical property of phosphate group
polar
Three of the bonds stabilizing at tertiary level
H-bonds, ionic, hydrophobic interactions, disulfide bridges
Name of covalent bond present in carbohydrates
Glycosidic linkage
Name of covalent bond in DNA backbone
phosphodiester linkage
Reason unsaturated fats are liquid at room temp
Double bonds between carbons
List the pathway for protein export in a cell
Ribosomes, rough ER, vesicle, (cis to trans) Golgi, vesicle, cell membrane
Appearance of plant cell placed in salt water
Plasmolyzed/shriveled
During respiration, ATP is formed as the direct result of the movement of this
H+ ions/protons down a concentration gradient
to overcome a competitive inhibitor, add this
substrate
What evidence supports the endosymbiotic theory? State at least 2.
Mitochondria and/or chloroplasts contain circular DNA and prokaryotic-like ribosomes, double membrane, self replicate (binary fission), size of prokaryotes
Process to regenerate NAD+ when O2 isn't present
Two characteristics of cancer cells
Not density dependent, no anchorage dependence, metastasis
Type of ligand that can have an intracellular receptor
Steroid Hormone