Shapes molecules Study guides, Class notes & Summaries

Virus - infectious particle consisting of genes packaged in a protein coat non-living obligate intracellular parasite A Virus is not living - True Viruses can't produce or carry out metabolism outside of a host cell - True Where do viruses reproduce? - In living cells Viruses=parasites - Obligate parasites - require a host cell for replication All living organisms have viruses: - prokaryotes and all varieties of eukaryotes Bacterial viruses - Bacteriophage; phages Viru...

Hierarchy of the structure of the human body: correct answer: 1. Atoms 2.Molecules 3. cells 4. Tissues 5. Organs 6. Organ Systems 7. Organism Epithelial tissue: correct answer: Two functions: provide covering and produce secretions. -Does NOT have its own blood supply; is dependent on nearby capillaries for food and oxygen. *SIMPLE EPITHELIUM- has a single layer of cells. *STRATIFIED EPITHELIUM- has more than one layer of cells and serves as protection. -Shapes of epithelia...

PLASTIC PIPE AND FITTINGS QUESTION AND ANSWERS (VERIFIED ANSWERS) An advantage of using plastic pipe in plumbing installations is that plastic _____. - ANSWER requires little maintenance A disadvantage of using plastic pipe in plumbing installations is that the solvent chemicals used to join the pipes _____. - ANSWER emit toxic fumes Long chains of molecules that manufacturers can mold, cast, or force through a die into desired plastic shapes are called _____. - ANSWER polymers A pl...

LPN Entrance Exam The order of the scientific method - Answer 1 problem identification 2 question asking 3 developing a hypothesis 4 experimentation and data collection 5 analyze collected data 6 conclusion The steps of data collection - Answer 1 observation 2 measurement 3 samples 4 organization Deductive reasoning - Answer Method whereby conclusions follow from general principles. Leads to a specific conclusion. Inductive reasoning - Answer Method of a...

Anatomy : The study of body STRUCTURE and the relationships among them Physiology : The study of body FUNCTIONS-how the body parts work. The 6 structural levels of organization IN ORDER : 1. Chemical level 2. Cellular level 3. Tissue level 4. Organ level 5. System level 6. Organismal level 1. Chemical level of organization : The most basic. Contains atoms: 2 | P a g e C (calcium), H (hydrogen), O (oxygen), N (nitrogen), P (phosphorus), Ca (calcium), S (sulfur) are essential fo...

integral proteins - Penetrate the hydrophobic interior of the lipid bilayer. Commerce via facilitated or active. peripheral protein - A protein loosely bound to the surface of a membrane or to part of an integral protein and not embedded in the lipid bilayer. Carbohydrate group -Linked with protein or lipids and function as adhesion. Cholesterol -Steroid common in cell membranes, also in many hormones. Functions as support make the membrane more rigid and less soluble. Structural protein ...

describe the basic functions all life forms must accomplish - -response to environmental stimuli & maintain homeostasis -uptake and processing of nutrients/energy -regulation -growth and reproduction compare and contrast eukaryotic and prokaryotic cell types - Prokaryotes: -circular chromosomes, no nucleus, no organelles, 3.5 bya -DNA concentrated in nucleoid Eukaryotes: -linear chromosomes, nucleus, organelles, 1.5 bya -DNA concentrated in nucleus Both: -cellular function takes plac...

PATHO 370 MIDTERM EXAM LATEST COMPLETE GUIDE 2023. PATHO 370 Pathophysiology. Gas exchange occurs in which of the respiratory system's structures? Selected Answer: Trache a Correct Answer: Alveoli Response Feedback: The alveoli allow air to come in indirect contact with the bloodstream through the pulmonary capillary system. This alveolar membrane, which is one cell thick, allows carbon dioxide to diffuse into the alveoli from the bloodstream and oxygen to diffuse to the bloodstream ...

Portage Learning CHEM 210 exams 1-8 and final exam Question 1 3 / 3 pts True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. True Correct! False Question 2 3 / 3 pts True or False: Biomolecules can have only two functional groups. True Correct! False Question 3 3 / 3 pts True or False: The following functional group is an alcohol. True Correct! False Question 4 3 / 3 pts True or False: In ...

Anatomy= is the science of body structures and the relationships among them - First studied by dissection (careful cutting of body parts to study their relationships. Physiology= is the science of body functions or how the body works Anatomy and physiology are interrelated through form and function Branches of Anatomy and Physiology Branch of anatomy Study of Embryology First 8 weeks of development after fertilization of a human egg Developmental biology The complete development of an i...