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Biology Courses


Modern biology began to develop with the dramatic improvement of the microscope, enabling the discovery of spermatozoa, bacteria, and the diversity of microscopic life. Beyond cellular biology, the field contains several broad subcategories including DNA research, genetics, human physiology, and ecology. Early experiments pointed to DNA as the component that carries genes. A chromosome is a highly-organized structure consisting of DNA and histones, while genes are the primary units of inheritance, corresponding to a region of DNA that influences the form or function of an organism. A focus on new organisms such as viruses, along with the discovery of the double-helical structure of DNA, marked the transition to molecular genetics. Cells transcribe a DNA gene into an RNA version of the gene, and a ribosome then translates the RNA into a protein, a sequence of amino acids.

Biotechnology uses the DNA of living organisms to bioengineer new products artificially. Depending on the tools and applications, it often overlaps with the related fields of biomedicine, pharmacology, and genetic engineering. Modern biotech methods are used to manufacture existing medicines more easily, in order to treat human diseases. Further, biotechnology has enabled emerging techniques like gene therapy. Stem cell research offers new hope in the areas of cancer treatment as well as life extension. The regulation of genetic engineering aims to assess and manage the risks of developing genetically modified organisms (GMO), including commercial food crops and fish. Although mired in ethical debate, the fast-growing field of biotech offers many employment opportunities.

Biology coursesAt the smallest scale, mechanical engineering becomes nanotechnology, one goal of which is to build molecules and materials via micro-synthesis. Current areas of mechanical engineering research in nanotechnology include nanofilters, nanofilms, and nanostructures such as microtubules. Self-assembly of these structures may lead to new breakthroughs in artificial tissue generation. Micron-scale mechanical components such as springs, gears, and heat-transfer devices are fabricated from a variety of substrate materials such as silicon, glass and polymers like SU8. Biomechanics applies traditional engineering methodology to the analysis of biological systems. By copying the efficiency of nature, the study of biomechanics aids in creating prosthetic limbs and artificial organs for medical application.

From a macro perspective, ecology studies the distribution and habitat of living organisms, as well as the interactions between individual organisms and their environment. A microscopic bacterium in a localized sugar gradient is responding to its environment as much as a lion searching for food in the African savanna. For any species, behaviors can be co-operative, competitive, parasitic, or symbiotic in nature. Ecological systems may be studied at several different levels, from individuals and populations to ecosystems and the biosphere.

Anatomy & Physiology
Basic Human Anatomy
Human Skeleton and Bones
Muscles
Intro to Circulatory System
Circulatory Diseases
Intro to Respiratory System
Respiratory Diseases
Intro to Endocrine System
Gastrointestinal System
Lymphatic System
Renal System
The Lungs
Gas Exchange
Red Blood Cells
Clotting
The Heart
Arteries
Veins

Nervous System
Brain Organization
Neurotransmitters
Spinal Cord
Neurons

Muscle Cells
Kidneys
Urinary System
Water Homeostasis
Protein Transport
Lymphatic System

Eye Function
Retina
Focal Distance
Hearing
Digestion
Intestines
Elimination
Epidermis (skin)
Thermoregulation


Reproduction
Pregnancy
Fetal Development
Cell Division


Cell Biology
Cell Structure
Microbiology
Osmosis
Nuclei
Membrane Transport


Cellular Respiration
Adenosine Triphosphate (ATP)
ATP Hydrolysis
Glycolysis
Photosynthesis
Krebs Cycle
Calvin Cycle


Immunology
Phagocytes
immune system
B Lymphocytes (B cells)
Stem Cells
Cancer


Molecular Biology
DNA, RNA replication
Human Genome Project
Transcription
Chromosomes
Genetics


Conservation
Ecosystems
Climate Change
Forestry
Genetically Modified Crops
Pesticides
Bee Colony Disorder
Livestock Additives


Marine Biology
Food Chain
Ocean Circulation
Intertidal Zone
Rivers







Biology Practice Tests

Each of the following multiple-choice biology tests has 10 questions. No sign-up is required, just straight to the test.
 

Anatomy Courses Online

Basic Human Anatomy

Human Skeleton and Bones

Muscles

Intro to Circulatory System

Circulatory Diseases

Intro to Respiratory System

Respiratory Diseases

Intro to Endocrine System

Gastrointestinal System

Lymphatic System

Renal System


Free Biology Courses Online


Intro to Biology - A brief introduction to the field of biology by Khan Academy.


Cell Structure - Cell structure, prokaryotic cells, eukaryotic cells, plasma membrane, cytoplasm, nucleus and ribosomes, endoplasmic reticulum and golgi bodies, mitochondria, chloroplasts, peroxisomes, cytoskeleton, extracellular matrix, cell walls, cell junctions.


Membrane Transport - Fluid mosaic model, diffusion, osmosis, plasma membrane, concentration gradients, selective permeability, facilitated diffusion, passive transport, active transport, sodium potassium pump, electrochemical gradients, immune cells, membrane, endocytosis, phagocytosis, exocytosis.


Cellular Respiration - ATP: Adenosine triphosphate, ATP hydrolysis, Oxidation and reduction, redox reactions, fermentation, cellular respiration, Glycolysis.


Cellular Biology - Fertilization, sperm, eggs, gametes, zygotes, germ cells, chromosomes, chromatids, cell division, phases of mitosis, meiosis, cell cycle regulation, cancer, and stem cells.



Biology & Medical Jobs - Listings

Healthcare jobs such as Registered Nurses, LPN's, LVN's and related Medical Technicians provide over 15 million jobs, and ten of the 20 fastest growing occupations are healthcare-related. Most healthcare workers have jobs that require less than 4 years of college education, such as health technologists and technicians, medical records, billing and coding, health information technicians, diagnostic medical sonographers, radiologic technologists and technicians, and dental hygienists. As people age they have more medical problems, and hospitals will require more staff. Wages vary by the employer and area of the county. Aside from their salary, most medical jobs include excellent benefits, as well as retirement plans.

Links below list current openings:Starting Salary
(up to)
10 Year Salary
(up to)
Diagnostic Medical Sonographers$41,090$58,520
Dietitians$34,450$53,250
Emt, Paramedic Jobs$39,390$65,280
Fitness Trainers$31,710$46,750
Home Health Aides$33,100$57,030
Licensed Vocational Nurses (LVN)$44,480$66,780
Massage Therapist Jobs$33,000$52,670
Medical Assistants$28,980$37,140
Medical Lab Technicians$30,550$49,260
Mental Health$34,550$48,370
Nursing$47,760$68,130
Occupational Therapists$66,010$87,330
Physical Therapist Assistants$41,410$56,220
Physical Therapists$65,050$94,810
Physician Assistants$41,270$57,230
Psychologists$60,360$77,840
Public Health$52,250$72,250
Radiation Therapists$47,580$62,110
Radiologic Technicians$52,110$71,160
Registered Nurses (RN)$59,730$83,440
Rehabilitation$49,350$62,940
Respiratory Therapy Technicians$39,860$56,220
Skin Care Specialists$25,300$48,510
Surgical Technologists$45,680$67,630
EMPLOYERS:     Post Jobs     Search Resumes





EMPLOYERS:

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Search Resumes
Medical Jobs
(updated hourly)
Starting
(up to)
Dental Hygienists$30,430
EMT, Paramedics$39,390
Fitness Trainers$31,710
Licensed Vocational Nurses (LVN)$44,480
Massage Therapists$33,000
Medical Assistants$28,980
Medical Lab Technicians$30,550
Mental Health$34,550
Nursing$47,760
Occupational Therapists$66,010
Physical Therapists$65,050
Physician Assistants$41,270
Public Health$52,250
Radiologic Technicians$52,110
Registered Nurses (RN)$59,730
Rehabilitation$49,350
Respiratory Therapy Technician$39,860
Surgical Technologists $45,680
Ultrasound$41,090
 
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On our pages, you can find career training and listings of medical jobs, updated hourly. This website is not affiliated with any educational institution, and all trademarks are exclusive property of the respective owners. College Inspector is the work of a group of Thai students in Bangkok, using info from the US Department of Education, Postsecondary Education Data System (IPEDS). If any stats are incorrect, please contact us with the right data.

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