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 164
... known as sex chromosomes . All other chromosomes not involved in determining the sex of an individual are known as autosomes . In humans , other mammals , and some other organisms ( e.g. , fruit flies ) , the sex of an individual is ...
... known as sex chromosomes . All other chromosomes not involved in determining the sex of an individual are known as autosomes . In humans , other mammals , and some other organisms ( e.g. , fruit flies ) , the sex of an individual is ...
Страница 218
... known as saliva , and the three pairs of glands that produce saliva are known as salivary glands . Saliva contains enzymes , lubricates the mouth , and helps to bind food before swallowing . In addition to having taste buds that help to ...
... known as saliva , and the three pairs of glands that produce saliva are known as salivary glands . Saliva contains enzymes , lubricates the mouth , and helps to bind food before swallowing . In addition to having taste buds that help to ...
Страница 297
... known as the morula stage of embryological devel- opment . Following the morula stage , the solid ball of cells becomes hollow in the middle and is then known as the blastula stage . During this stage , when the embryo is about six days ...
... known as the morula stage of embryological devel- opment . Following the morula stage , the solid ball of cells becomes hollow in the middle and is then known as the blastula stage . During this stage , when the embryo is about six days ...
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What Is Biology? | 2 |
What Is Biology? | 11 |
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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