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Page 104
... Enzymes lower the barrier of activation energy . With- out affecting the free energy change ( AG ) for the reac- tion , an enzyme speeds the reaction by reducing the uphill climb to the transition state . In the graph , the black curve ...
... Enzymes lower the barrier of activation energy . With- out affecting the free energy change ( AG ) for the reac- tion , an enzyme speeds the reaction by reducing the uphill climb to the transition state . In the graph , the black curve ...
Page 106
... enzymes and other proteins are sensitive to their environment . Each enzyme has optimal conditions in which it works best , because that environment favors the most active con- formation for the enzyme molecule . Temperature is one ...
... enzymes and other proteins are sensitive to their environment . Each enzyme has optimal conditions in which it works best , because that environment favors the most active con- formation for the enzyme molecule . Temperature is one ...
Page 111
... Enzymes ( pp . 102-108 ) 1. Enzymes are proteins that function as biological cata- lysts , agents that change the rate of a reaction without being consumed in the reaction . 2. Before a reaction can occur , the reactants must absorb ...
... Enzymes ( pp . 102-108 ) 1. Enzymes are proteins that function as biological cata- lysts , agents that change the rate of a reaction without being consumed in the reaction . 2. Before a reaction can occur , the reactants must absorb ...
Contents
Themes in the Study of Life | 1 |
UNIT ONE The Chemistry of Life | 15 |
Atoms Molecules and Chemical Bonds | 20 |
Copyright | |
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active adaptive algae allele amino acids animals asexual atoms bacteria biology called Calvin cycle carbon cell walls cellular Chapter chemical chlorophyll chloroplasts chromosome complex covalent cycle cytoplasm diploid disease diversity electron transport chain embryo energy environment enzymes eukaryotic eukaryotic cells evolution evolutionary evolved example fertilization Figure flowers fossil function fungi gametes gametophyte gene pool genetic genome genotype glucose glycolysis haploid human hydrogen bonds inherited ions living meiosis metabolic microscope microtubules minerals mitochondria mitosis molecular mRNA multicellular mutations natural selection nitrogen nucleotide nucleus nutrients occurs organelles organic molecules oxidized oxygen pair pathway phage phenotype phosphate photosynthesis phylum plant cells plasma membrane polypeptide population produce prokaryotes protein protists proton reaction recombinant replication reproduction respiration ribosomes root seed sequence sexual soil solution speciation species sperm strand structure sugar synthesis tion tissue traits vascular vertebrates viruses xylem zygote