What are cadherin - Study guides, Class notes & Summaries

What is the ECM? ANS Extracellular matrix a network of proteins and polysaccharide chains that are secreted by cells What are the two forms of the ECM? What are they each? ANS ECM of connective tissue= fibrous polymers like collagen Basal Lamina= flexible, thin mat of specialized ECM that underlies epithelial cell sheets and tubes What are the two ways that cells are attached in tissue? ANS either to the basal lamina or to the ECM and to each other What are the 4 main types of junct...

NSG 533 - Oncogenesis; Exam with Complete Solutions Inherited forms of cancer are __________ mutations are thought to account for approximately _______% of all adult cancers Correct answer germ line 5-10% Hereditary diffuse gastric cancer (HDGC) susceptibility syndrome involves germ line mutations in which gene? What does it encode? Correct answer CDH1 gene that encodes the protein E-cadherin Hereditary breast & ovarian cancer is more common in which ethnic group? Correct answer More...

Ectoderm doesn't move through the __________ or __________ - CORRECT ANSWER 1) blastopore (frogs and fishes) or 2) primitive streak (birds and humans) Sensory organs all begin in the head as... - CORRECT ANSWER placode - thickenings of surface ectoderm what are 4 types of cell interactions? - CORRECT ANSWER 1) Internal/mechanical 2) Juxtacrine signaling 3) Paracrine signaling 4) Endocrine signaling Note: these are arranged in order of closest interaction to longest distance interactio...

CMMB 403 Final Exam Actual Questions and Answers with complete solution What are the origins of the optic vesicle and the lens? - answeroptic vesicle = forebrain (neural ectoderm) lens = surface epidermis --> placode Describe the process of lens induction - answer1. the optic vesicle (forebrain) induces thickening of the surface epidermis (prospective lens placode) 2. the optic vesicle pinches in to form the optic cup and the lens invaginate as well (lens placode comes into contact w/...

Ectoderm doesn't move through the __________ or __________ - CORRECT ANSWER 1) blastopore (frogs and fishes) or 2) primitive streak (birds and humans) Sensory organs all begin in the head as... - CORRECT ANSWER placode - thickenings of surface ectoderm what are 4 types of cell interactions? - CORRECT ANSWER 1) Internal/mechanical 2) Juxtacrine signaling 3) Paracrine signaling 4) Endocrine signaling Note: these are arranged in order of closest interaction to longest distance interact...

CMMB 403 Final Exam Questions With Correct Answers What are the origins of the optic vesicle and the lens? - answeroptic vesicle = forebrain (neural ectoderm) lens = surface epidermis --> placode Describe the process of lens induction - answer1. the optic vesicle (forebrain) induces thickening of the surface epidermis (prospective lens placode) 2. the optic vesicle pinches in to form the optic cup and the lens invaginate as well (lens placode comes into contact w/ the optic vesicle) ...

BIOS251 Midterm Practice Questions – Graded An A+ Structures of the body that can be examined without a microscope is known as what? a. Cell biology b. Systemic anatomy c. Gross anatomy d. Surface anatomy a. Cell biology b. Systemic anatomy c. Gross anatomy d. Surface anatomy Which of the following are life processes in humans? Select all that apply a. Metabolism b. Growth c. Reproduction d. Healing ...

PCB Exam 3 with complete solutions What makes up the Signal Recognition Particle (SRP) complex? - ANSWER-Proteins and Small RNA What part of the molecular motor dynein is responsible for traveling along intermediate filaments? - ANSWER-None Similar rRNA/histone are in tandem array may be found where: - ANSWER-Moderately repeating DNA Sarcomere muscle tension band - what remains unchanged during muscle contraction: - ANSWER-A band After incubating the tissue for a brief period in...

Gametes are formed within the gonads (testis and ovaries) and the tissue that directly creates the gametes is generically called: germ line Name two tissue types/organs formed by the endoderm digestive tube, respiratory tube Name two tissue types/organs formed by the ectoderm skin cells, CNS Name two tissue types/organs formed by the mesoderm Red blood cells, organs Exogenous agents that cause disruptions during development resulting in the formation of congenital defects teratogens Th...

CMMB 403 - Kahoot and TopHat Questions and answers verified to passCMMB 403 - Kahoot and TopHat Questions The germ cells of Xenopus are - correct answer Autonomously specified The first mesoderm cells to involute during Xenopus gastrulation are - correct answer the cells that form the prechordal plate (dorsal head mesoderm) Disheveled is a component of - correct answer the planar cell polarity and the canonical WNT pathway Holt-oram syndrome is caused by haploinsufficiency of w...