时代焦点ACT科学词汇词汇表

extinction evolution metabolism therapy toxic mature hatch residual digestion intestine stomach kidney vessel semipermeable permeable nucleus fertilize sperm gamete plasma leukemia leukocyte erythrocyte neuron osmosis hydrophilic enzyme denature protein amino acid inheritance recessive phenotype dominant genotype chromatid chromosome allele offspring receptor symptom infection exothermic endothermic lactose fructose galactose glucose sucrose maltose starch immune antibody antigen mortality incidence prevalent infect vaccine sterilize sterile fermentation colony seedling hormone germinate pigment respiration photosynthesis chlorophyll larva