Unit 1- quiz 1 – Flashcards
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Scientists use this technology to map the human genome.
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recombinant technology
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How do proteins relate to DNA?
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DNA contains the codes that are used to manufacture proteins.
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On any given_____, there are a number of genes, but not all the genes will be coding for proteins.
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chromosome
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Genetic engineering _____.
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uses recombinant DNA technology to alter an organisms' DNA
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Which of the following would be a voluntary risk factor for lung cancer?
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Smoking cigarettes
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Which of the following would be characterized as "good cholesterol"?
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HDL
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the basic structural unit of the body
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cells
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organs working together to perform a specific bodily function
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system
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structures that perform special functions within a cell
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organelles
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tissues that work together to perform a specific bodily function
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organs
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acts as the "brain" of a cell
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nucleus
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designed to regulate temperature, secrete lubricants, and protect the body from harmful substances
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epithelial tissues
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fluid-like substance inside a cell
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cytoplasm
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tendons, blood, and fat are examples of these
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connective cells
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the genetic blueprint for all cells
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DNA
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Cytoplasm contains all the organelles. (T/F)
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False
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Which kind of tissue is designed to regulate temperature, secrete lubricants, and protect the body from harmful substances?
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epithelial
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Which kind of tissue sends messages from the brain to the rest of the body?
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nerve
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The respiratory system works with the _____ system to add oxygen to the blood and remove carbon dioxide from the body.
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circulatory
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Air passes from the trachea into the lungs through two large tubes called
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bronchi
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The ______circulation of the circulatory system brings carbon dioxide filled blood to the lungs.
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pulmonary
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The human heart is divided into ____ chambers.
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four
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The ________circulation disperses oxygen rich blood throughout the body.
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systemic
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______blood cells bring oxygen to cells and take carbon dioxide away.
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red
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transfer waste-filled blood from tissues into the pulmonary circulation.
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capillaries
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The main organ of the respiratory system is the
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lung
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The ______ prevents food or liquids from getting into the lungs.
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epiglottis
