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IUPUI YARD ANATOMY LECTURE EXAM 1
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IUPUI YARD ANATOMY LECTURE EXAM 1
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IUPUI YARD ANATOMY LECTURE EXAM 1Centrosomes and Centrioles - Answers -Essential for movement of chromosomes
during cell division
& Organizes microtubules in the cytoskeleton
Ribosomes - Answers -protein synthesis
Nucleus - Answers -Site of rRNA synthesis and assembly of ribosomal subunits
Golgi apparatus - Answers -Replenishes cell membrane
Packaging materials for lysosomes and Peroxisomes
Microfilaments - Answers -Mainly composed of thin strands of actin proteins
tight junctions - Answers -Seal the intracellular space between cells
gap junctions - Answers -Cellular communication use connect sans to form Nero
passageways between cells
Special type of gap junction - Answers -Intercollegiated discs of cardiac muscle tissue
simple squamous epithelium - Answers -Lines alveoli of the lungs
Forms the endothelium of blood vessels
Forms the mesothelium of the ventral body cavity
Allows for rapid passive diffusion through the delicate and thin layer of flat cells
Stratified squamous epithelium - Answers -Non-keratinized forms the moist linings of
the esophagus mouth and vagina
Keratinized formed the epidermis of the skin
Protects underlying tissues from abrasion
Simple cuboidal epithelium - Answers -In kidney tubules
Secretion and absorption
stratified cuboidal - Answers -sweat glands, mammary glands, salivary glands;
protection
Simple columnar - Answers -Non-ciliated lines the stomach and intestines
, Ciliated lines small bronchi
Absorption secretion ion transport
Pseudostratified ciliated columnar - Answers -Lines much of the respiratory tract
Apocrine secretion - Answers -A part of the gland is lost
Lactiferous glands of the breast
holocrine secretion - Answers -Entire cell disintegrates
Sebaceous glands
Sebaceous glands - Answers -Holocrine secretion
Lactiferous glands - Answers -Apocrine secretion
merocrine (eccrine) secretion - Answers -No part of the cell is lost, secretes via
exocytosis
Mucus and serous glands
exocrine glands - Answers -Have ducts
endocrine glands - Answers -Are ductless
Desmosomes - Answers -A type of anchoring junction they are a system of adhesion
molecules that can bind cells together and to the extracellular fluid
G1 - Answers -Cells are metabolically active, make proteins rapidly, grow vigorously
S phase - Answers -DNA is replicated
Prophase - Answers -Chromatin condenses into chromosomes, Held together by their
centromeres
Nucleoli disappear, Nuclear envelope fragments
Metaphase - Answers -Chromosomes aline at the metaphase plate
Anaphase - Answers -Chromatid pairs separate V-shaped daughter chromosomes
move towards opposite ends
Cytokinesis can start as early as here
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