Chapter 10- Muscle Tissue Choose the best answer to each of the following questions. 1) How does muscle tissue contribute to homeostasis? A) by generating heat that helps maintain body temperature B) by moving materials through the body C) by pulling on bones to move the body D) A and B are correct. E) A‚ B and C are correct. 2) The primary function of muscle is A) conversion of chemical energy into mechanical energy. B) conversion of chemical energy into radiant energy. C) conversion
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Biol GOD Notes. First Edition 1 L. Leong 2012 Chapter 1: Molecules of Life Cell Theory ∝ All living things are composed of cells and the products of cells ∝ Cells are the basic functional unit of life ∝ All cells arise from pre-existing cells Living Things Unicellular: consisting of one cell Multicellular: composed of many cells ∝ All living things: grow and develop‚ regulate metabolic processes‚ move‚ respond to stimuli‚ reproduce AUTOTROPHS: manufacture their own organic carbon compounds
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Human Physiology Exam 1 Part 2 Study Guide Chapter 1 Define homeostasis * Maintenance of constant conditions in the internal environment. Composition‚ temperature and volume of extracellular fluid do not change significantly under normal conditions Know the components of a homeostatic control mechanism * Regulated Variable- Regulated to stay within relatively narrow limits * Set Point- normal desire value * Error Signal- difference between the actual value and the set point
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functions. G. nuclear membrane H. nucleus Part C Fill in the Blanks Complete the following table by filling in the correct cell part or function. Cell Part Function Gel-like material inside cells Directs cell activities Endoplasmic Reticulum Manufactures proteins Produces ATP energy Chromatin Chloroplast Stores water‚ food‚ and waste Golgi body Digests wastes Part D Plant cells vs. Animal Cells 1. State the cell theory. 2. What structures can you find
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which each of the following statements refers: a)Fully permeable layer found outside the membrane of some cells. Cell Wall b)Series of membranes in the cytoplasm through which materials can be transported and in which proteins accumulate. Endoplasmic Reticulum c)Site of ribosomal RNA synthesis. Nucleus d)Partially permeable layer about 7.5nm thick. Cell Membrane e)Structures responsible for producing spindle apparatus. Centrosomes f)Contains membrane stacks called grana. Chloroplast g)Site of
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daughter nuclei form in each daughter cell‚ forming nuclear envelopes around each nucleus. There are two theories as to how this happens: vesicle fusion-when fragments of the nuclear membrane fuse to rebuild the nuclear membrane. Reshaping of the endoplasmic reticulum-where the parts of the ER containing absorbed nuclear membrane envelop the nuclear space‚ reforming closed membrane. The chromosomes are become less condensed. As the nuclear membranes re-form around each set of chromatids‚ the nucleoli also
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able to describe the structure and function of the animal and plant cell structures and organelles in class Know the following organelles and cell structures: Cell wall‚ cell membrane‚ nucleus‚ mitochondria‚ chloroplasts‚ ribosomes‚ endoplasmic reticulum‚ golgi apparatus‚ lysosomes‚ vacuoles‚ cytoskeleton What is an allele? Be able to define the following: Genotype‚ Phenotype‚ Transcription‚ Translation Know the steps involved in transcription and translation What are mutations?
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Jody Wells With aid of annotated diagrams‚ discuss the relationship between the structure and function of four specialised human cells. The human body is made up of trillions of different cells; all play a huge role in the running and function of the body. They are the foundation of all living things. Each different cell has its own exclusive job. Without cells the human body would simply fail. All cells contain organelles which are the structures of the cells itself‚ organelles have individual
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SNC2D0 Exam Review BIOLOGY: Cells‚ Tissues‚ Organs and Organ Systems 1. Compare and contrast the following terms: a) Endoplasmic reticulum and golgi apparatus b) Mitochondria and nucleus c) Cell wall and cell membrane d) Cell cycle and mitosis e) Cell cycle and cancer f) Tissue and organ system g) Digestive system‚ circulatory system‚ and respiratory system h) Root system and shoot system i) Phloem and xylem vessel 2. On a separate piece of paper‚ draw a labeled diagram of an animal
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John Leone Lab Partner(s) Ethan Davis & Ryan Hanna Date: 12/10/14 Instructor: Dr. Chuckran Period: H Plants and Animal Cells Abstract: In this lab‚ you will find out how plant and animal cells are alike and how they are different. The onion elodea cells were both plants‚ so they had a cell wall. The cheek cells were animal cells‚ so they did not have a cell wall. Eukaryotic cells contain structures called organelles that carry out life processes. Eukaryotic cells can be classified by the types of organelles they contain
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