BIO 311D 1st Edition Lecture 23 Outline of Last Lecture I Nephron II Proximal Tubule III Descending Limb IV Ascending Limb V Distal Tubule VI Collecting Duct VII Solute Gradients and Water Conservation VIII Birds Reptiles and Marine Animals Outline of Current Lecture I Review for Midterm 2 Current Lecture What characteristic does plants fungi and animals share Answer All are multicellular eukaryotes Which example below is a common feature of all animals Answer A homeobox containing family of genes called Hox genes Which of the following is associated with bilateral symmetry Answer Cephalization Ectoderm can give rise to mesoderm can give rise to endoderm can give rise to Answer The central nervous system muscle the lining of the digestive tube Which fo the following are epithelial tissues Answer squamous cuboidal and columnar cells Myosin and actin are Answer Proteins that play a major role in muscle contraction All but one of the following systems are correctly paired with one of hteir parts Which pair is incorrect Answer Excretory system intestine If hormone A is part of a negative feed back loop with hormone B then we can expect that Answer A will be highest when b is lowest and vice versa Feedback most directly maintains homeostasis because it Answer Negative tends to keep a system at a desirable set point Which type of epithelial tissue would you suppose lines the alveoli Answer Simple squamous epithelium The SA node generates an electrical impulse from its location in the Answer Right atrium causing atrial contraction Which one of the following is not a function of the circulatory system Answer producing mucus The function of the pulmonary circulation is to Answer Carry carbon dioxide to the lungs and pick up oxygen from the lungs Which of the following functions is not carried out by leukocytes Answer Scavenging dead cells synthesizing antibodies engulfing bacteria engulfing viruses The primary sealants that plug leaks in damaged blood vessels are Answer Clotting factors released by platelets and fibrin Concurrent exchange in the gills of a fish Answer Maintains a gradient that enhances diffusion
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