Webster University

Organic compounds are based on _______. - Answer Carbon How many bonds does carbon form? - Answer 4 bonds Carbon has a ____ electronegativity so it is more ______. - Answer Low, covalent What defines an alcohol? - Answer Having a hydroxyl group. What are the building blocks or life? - Answer Amino acids/proteins, fatty acids & lipids, carbohydrates and alcohols, nucleic acids. (RNA and DNA). Amino acids are the __________ of the polymer polypeptides a...

Which statement correctly describes how smooth muscle is controlled? - Answer Controlled involuntarily by the autonomic nervous system Which statement best describes the sympathetic nervous system control of smooth muscle in the intestine? - Answer It prepares the body to be able to stress and causes a decrease in smooth muscle tone in contractility Which neurotransmitter is released from the parasympathetic ganglion? - Answer Acetylcholine Which item is responsible fo...

Confirmed by "image 51" DNA is a: - Answer Double helix Cloverleaf-shaped RNA which acts as a "truck" - Answer tRNA This molecule is the genetic material - Answer DNA Transcription - Answer DNA to mRNA Code for a protein is found in the: - Answer introns non-coding RNA - Answer RNA transcription factors What does replication do to the amount of DNA in a cell - Answer doubles it What enzyme is used to synthesize the leadin...

Obesity is a homeostatic imbalance in - Answer body weight Dyslipidemia is a homeostatic imbalance in - Answer blood lipids in contrast to positive feedback mechanisms, negative feedback loops - Answer regulate stable conditions when a stimulus disrupts the body’s homeostasis the disturbed condition is contacted by - Answer receptors negative feedback loops are more common in the body because they are - Answer self-controlling the majority of the bo...

2 regions of dermis - Answer papillary region and reticular region papillary region percentage of dermis - Answer 20% reticular region percentage of dermis - Answer 80% papillary region tissue type - Answer areolar connective tissue what does the papillary region contain? - Answer blood capillaries, sensory touch receptors, free nerve endings Is the papillary region superficial or deep? - Answer superficial reticular region tissue type - Answ...

What are the 4 important groups of different tissue? - Answer epithelial, connective, muscle and nervous tissue Epithelial tissue - Answer Forms coverings protecting the body from the outside world, forms borders, and Lines hollow organs and forms glands Where is Epithelial tissue located? - Answer lining of GI tract organs and other hollow organs, skin surface: epidermis Connective tissue - Answer Protects and holds the structure of body Where is connective t...

Along with a true nucleus, ___ are distinguished by the presence of organelles. - Answer eukaryotes The ______ is a structure of prokaryotic cells that allows for locomotion. - Answer Flagellum The main difference between prokaryotic cells and eukaryotic cells (and the basis for the name of each) is the absence or presence of a - Answer nucleus After Gram-staining, why is there a difference in the appearance of Gram-negative and Gram-positive organisms? - Answer ...

What are the elementary particles that make up atoms? - Answer Neutrons, protons, electrons Describe the charge, mass and relative location of neutrons, protons, and electrons. - Answer Neutrons: Have no charge. Mass of 1.009 Da. Rounded to 1 Da. They are located in the Nucleus. Protons: Found in the Nucleus. Mass of 1.007 Da. Carry positive charge. Electrons: They have a negative charge. Distant from Nucleus. Mass of 0.0005 Da. What are isotopes? - Answer Atoms whi...

Along with a true nucleus, ___ are distinguished by the presence of organelles. - Answer eukaryotes The ______ is a structure of prokaryotic cells that allows for locomotion. - Answer Flagellum The main difference between prokaryotic cells and eukaryotic cells (and the basis for the name of each) is the absence or presence of a - Answer nucleus After Gram-staining, why is there a difference in the appearance of Gram-negative and Gram-positive organisms? - Answer ...

What are the elementary particles that make up atoms? - Answer Neutrons, protons, electrons Describe the charge, mass and relative location of neutrons, protons, and electrons. - Answer Neutrons: Have no charge. Mass of 1.009 Da. Rounded to 1 Da. They are located in the Nucleus. Protons: Found in the Nucleus. Mass of 1.007 Da. Carry positive charge. Electrons: They have a negative charge. Distant from Nucleus. Mass of 0.0005 Da. What are isotopes? - Answer Atoms whi...

Thymine - Answer found only in DNA Cytosine - Answer Found in both DNA and RNA Guanine - Answer Found in both DNA and RNA Adenine - Answer Found in both DNA and RNA Uracil - Answer found only in RNA Glucose - Answer Hydrophilic (polar; water soluble) Fuctose - Answer Hydrophilic (polar; water soluble) Galactose - Answer Hydrophilic (polar; water soluble) Phenylalanine - Answer Hydrophobic (non polar; fat soluble) Ty...

major classes of connective tissue - Answer Blood and lymph (fluid) Cartilage and bone (supporting) Proper (includes loose and dense) What 3 things did the video state that all connective tissue has in common? - Answer comprised of cells and extracellular matrix different degrees of blood flow develops from mesenchyme What are the 2 main components of all connective tissue? - Answer cells and extracellular matrix What makes up the extracellular matrix? - Answer ...

Describe the functions of the muscle tissue - Answer 1. producing body movements 2. stabilizing body positions 3. storing and moving substances within the body 4. generating heat Skeletal muscle - Answer -striated, voluntary -long tubes formed from fusion (synctium) of myoblasts -dozens or hundreds of eccentric nuclei, along a fused muscle cell Cardiac muscle - Answer -striated, involuntary -single cells, branched, connected at intercalated discs -one or two centra...

Anatomy - Answer Study of structure of the body physiology - Answer the study of function of the body levels of organization - Answer chemical - cell - tissue - organ - organ system - organism Stimulus - feedback loop - Answer what is disrupting homeostasis outside of the body variable - feedback loops - Answer what is different about the body because of the stimulus, ex: body temperature, body osmolarity, blood pressure, etc. receptor - feedback loop...

neuromuscular junction - Answer Point of contact between the nervous system and the muscular system. synapse - Answer Region where communication occurs between two neurons or between a neuron and a target cell. synaptic cleft - Answer Small gap separating two cells such as a motor neuron and a muscle fiber. neurotransmitter - Answer Chemical substances that transmit information from neurons or cause an electrical change in the cell that receives the message. Exam...

Mitochondrion - Answer The organelle pictured here is the: Centrosome - Answer The structure pictured here is a: FAD2, NADH, and NADPH - Answer In mitochondrial electron transport, _________ are used as electron carriers. ADP + P --> ATP - Answer In mitochondria, a proton gradient is used to drive the reaction: 6 - Answer In aerobic respiration, how many CO2 molecules are made from each glucose molecule? Urea - Answer The carbon skeleton of a...

A course of study in which you learn about the lungs, alveoli, bronchi, diaphragm and trachea would most appropriately be called - Answer systemic anatomy systemic anatomy - Answer body structure is studied system by system A scientist looks through the microscope and describes the shape, arrangement, and staining properties of cells. This field of study is called: - Answer histology (microscopic anatomy) Histology (microscopic anatomy) - Answer the study of tiss...

anatomy - Answer The study of body structure physiology - Answer Study of function embryology - Answer the first 8 weeks of development after fertilization of a human egg developmental anatomy - Answer all stages of development cell biology - Answer Cell structure and function Histology - Answer Microscopic structure of tissues Surface Anatomy - Answer Surface markings of the body, observed through visualization and palpation (perceptio...

. Subdivision of anatomy that focuses on the microscopic structure of tissues Radiographic anatomy Cell biology Embryology Histology - Answer Histology Subdivision of anatomy that studies structural changes with disease Regional anatomy Pathological anatomy Surface anatomy Gross anatomy - Answer Pathological anatomy True or False? Endocrinology is the study of how the body defends itself against disease causing agents - Answer False A/an ______ is a collect...

Embryology - Answer The first 8 weeks of development Developmental Biology - Answer All stages of development Cell Biology - Answer Cell structure and function Histology - Answer Microscopic structure of tissues Surface Anatomy - Answer Surface markings of the body, observed through visualization and palpation (perception by touch) Gross Anatomy - Answer Structures viewed without a microscope System Anatomy - Answer Structures of specif...