Concepts in BiologyWm. C. Brown Publishers, 1991 - 535 страница Concepts in Biology is a short, student-friendly text organized in a traditional manner. It has very little botany and presents a human-oriented approach to the animal unit. Professors and students appreciate the low cost of this title, and that it is written for students who are not biology majors. |
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Страница 256
... periods of hard exercise or competition lasting for ninety minutes or more . It requires following a week - long diet ... period is reduced to twenty minutes and the carbohydrates are increased to 70 % of total kcalorie intake . On the ...
... periods of hard exercise or competition lasting for ninety minutes or more . It requires following a week - long diet ... period is reduced to twenty minutes and the carbohydrates are increased to 70 % of total kcalorie intake . On the ...
Страница 294
... period . The gestation period is the nine - month period of pregnancy . When we better understand the action of hormones , we may be able to control the effects of fertility drugs and eliminate the problem of multiple implantations ...
... period . The gestation period is the nine - month period of pregnancy . When we better understand the action of hormones , we may be able to control the effects of fertility drugs and eliminate the problem of multiple implantations ...
Страница 337
... periods with little evolutionary change ( figure 17.15b ) . At the present time , the scientific community has no uniform concept about ... period of time . Summary Consider This Experience This organisms . The rate at which Speciation 337.
... periods with little evolutionary change ( figure 17.15b ) . At the present time , the scientific community has no uniform concept about ... period of time . Summary Consider This Experience This organisms . The rate at which Speciation 337.
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What Is Biology? | 2 |
What Is Biology? | 11 |
1 Edward Jenner and | 15 |
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activities allele amino acids amount animals atoms attached bacteria behavior biological body bonds called carbohydrates carbon dioxide cause cell membrane cellular cellular respiration centrioles changes chapter characteristics chemical chromatids complex contain cycle cytoplasm diet diploid disease ecosystem EeDd electrons energy environment enzyme eukaryotic example factors female fertilization Figure free earlobes function gametes gene frequencies gene pool genetic genotype glands glucose growth haploid homologous chromosomes hormones human hydrogen increase individual insects intestine involved ions kcalories kinds living things male materials meiosis metabolic mitosis mRNA muscle mutation neuron nitrogen normal nucleotides nucleus nutrients occur offspring oocyte organelles organic molecules ovary oxygen pair parasites PGAL phosphate photosynthesis plants population produce prokaryotic protein protons pyruvic acid reactions released reproduction respiration result ribosomes sexual species sperm stage structure substrate sugar surface synthesis trophic level vitamins X chromosome