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Outline 2.1 Properties of Water 2.2 pH 2.3 Buffers 2.4 Water's Unique Role in the Fitness of the Environment

32 trang | Chia sẻ: nguyenlinh90 | Ngày: 23/07/2019 | Lượt xem: 838 | Lượt tải: 0

Outline 1.1 Distinctive Properties of Living Systems 1.2 Biomolecules: Molecules of Life 1.3 Biomolecular Hierarchy 1.4 Properties of Biomolecules 1.5 Organization and Structure of Cells 1.6 Viruses as Cell Parasites

32 trang | Chia sẻ: nguyenlinh90 | Ngày: 23/07/2019 | Lượt xem: 852 | Lượt tải: 0

Nội  dung   •  Chẩnđoán là gì ?! •  Phân biệt chẩnđoán và tiên lượng! •  Chẩnđoán phân tử! •  Phương pháp dùng trong chẩnđoán phân tử! A. Phương pháp chẩnđoán miễn dịch! B. Phương pháp chẩnđoán sử dụng nucleic acid

47 trang | Chia sẻ: nguyenlinh90 | Ngày: 23/07/2019 | Lượt xem: 1371 | Lượt tải: 0

Heredity: The transmission of traits from one generation to another. Variation: Offspring are different from their parents and siblings. Genetics: The scientific study of heredity and hereditary variation. Involves study of cells, individuals, their offspring, and populations.

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Fertilization Ejaculation 300 million sperm, 100 reach (uterine) fallopian tube. Fertilization occurs in the uterine tubes Acrosomal reaction: Acrosome of sperm contains hyaluronidase, an enzyme that digests a channel through zona pellucida. Sperm fuses with ovum cell membrane.

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Sexual Reproduction Sexual Reproduction: Only organ system that is not essential for individual survival. Continuation of species. Gamete formation (eggs and sperm) cells. Homeostatic Role: Maintains secondary sexual characteristics.

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Hormones Regulatory molecules secreted into the blood or lymph by endocrine glands. Lack ducts. Carry hormone to target tissue where it produces its effects.

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Sensory Receptors Perceptions of world are created by the brain from AP sent from sensory receptors. Sensory receptors respond to a particular modality of environmental stimulus. Receptors transduce (change) different forms of sensation to nerve impulses.

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Functions of Nervous Tissue 1. Sensory Input: Conduction of signals from sensory organs (eyes, ears, nose, skin, etc.) to information processing centers (brain and spinal cord). 2. Integration: Interpretation of sensory signals and development of a response. Occurs in brain and spinal cord. 3. Motor Output: Conduction of signals from brain or sp...

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Muscular System Components: Skeletal muscles. Functions: Skeletal muscle contraction allows for voluntary movement: Movement and locomotion. Mechanical work: Lifting, pulling, pushing objects. Communication: Body language and facial expression. Homeostatic Role: Allows animals to respond to and control their environment.

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