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Biology

Prep for biology entrance exams the right way. Review summaries, watch animations, and take unlimited practice exams. This animation demonstrates translation in protein synthesis.
AP Biology
Speciation
Energy and Transport
Sodium Potassium Pump
Cellular Structure
Introduction To Lipids
Cell Membranes
Homeostatic Disruptions
Cell Cycle, Mitosis And Meiosis
Viral Replication
Biological Molecules
Gibbs Free Energy
Cladograms
Viruses
Osmoregulation
The Sensory System
Fungi
Anatomy and Physiology
Osmoregulation
Cooperative Interactions
AP Biology Lab
Plant Pigments
Microorganisms
Structural Biology
Bacteria And Antibiotics
Neuroscience Of Memory
The Physics Of Life: Water
Fossils
Ecosystem Dynamics
Ecology
Weather And Climate
Astrobiology


Anatomy
Skull Tutorials
Neuroanatomy
Spinal Cord
Neuron Structure
Parasympathetic Nerves
Muscle Anatomy
Head and Neck Muscles
Upper Limbs
Muscles Of The Upper Arm
Cardiovascular System
Heart Structure
Respiratory System
Reproductive System
Digestive System
Peritoneal Cavity
Lower Limbs
Femoral Triangle
Knee Joint
Lower Limb Arteries


Bio-Animations
Organelles Of A Human Cell
Virus Magnification
Immune System - Fighting Infection
Insulin Receptors - Diabetes
Brain Research
DNA Replication
Endoplasmic Reticulum
Clonal Selection Theory
Breast Stem Cells


Microbiology
Amphipod Movement
Baker's Yeast
Cheek Cells
Microorganism Size
Stentor Coeruleus
White Blood Cells
Diatomaceous
Microscopic World
Diatoms Made Visible
Life Without Oxygen: Anaerobic
Paramecium: Ciliates
Different Species
Bacteria
Microbes


Environment
Diatom Algae Populations
Sensory Systems Of Snakes
Hurricane Forecasting
Nanotech - Water Purification
Harnessing Wave Energy
Changing Ecology
Solar Power
Giving Robots And Prostheses
Robobees: Design
How Did Life On Earth Begin?
Mobile Solar Power
Forecast Space Weather
Microwaves
Chemistry Pioneer
Genetic Path To Biodiversity
Tsunami Debris
Freshwater Mussels
Safer Drinking Water
Earth Worm Invasion
New Leaf Sensor Alerts
Hurricane Sleuth
Marshes And Sea Level Rise
Super Stars
Evolution In Action
Fascinating Flight
Ice And Its Frozen Secrets
Green Roofs


Genetics
The Science Of Sex
How To Clone A Mammoth
DNA Damage
Stem Cells
Chromosomes
Immunoglobulins
Evolution Of Males And Females
Reproduction
Meiosis & Mitosis
R And K Selection
Classical Genetics
Molecular genetics
Evolution


Animals
Walking Frogs
Deep-Sea Anglerfish Pair
Hummingbird Flight
Ultrafast Snapping Shrimp
Pigeons' Warning Call
Humpback Whales
Barn Owls' Hearing
Training Guide Dogs
Ravens Can Make Plans
Whale Size
Jaguar Cubs
Rare Birds
Starling Flocks
Blindfold Ants Navigation
Tadpoles Hatch Early
Lizards Have REM Sleep
Tiniest Chameleons
Sea Creatures
Chimps Destroy Drone
Monkeys Using Tools
Dog Breeding?


Insects
Dragonfly's Mouth
Bee Pollination
Parasites
Turret Spiders
House Centipede
A Flea Jumping
Cricket Sounds
Tiny Spiders
It's a Bug Life
Dust Mites
Bed Bugs
Daddy Longlegs
Bombardier Beetle
Mantis Shrimp
Insect Wings
Giant Leaf Insects
Honey Bees
Jumping Insects


Study Biology

The study of modern biology began to develop with the advent of the microscope, enabling the discovery of microscopic life. Beyond cellular biology, subcategories include genetics, human physiology, and ecology. 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. Presently, a biology degree offers more than a pathway to med school, as opportunities multiple in biotech and environmental conservation.


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.


At 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 & Medical Jobs

Microbiologists held about 23,200 jobs in 2017. The median annual wage for microbiologists was $66,850 in May 2017. The lowest 10 percent earned less than $39,480, and the highest 10 percent earned more than $128,190. Employment of microbiologists is projected to grow 8 percent from 2017 to 2026. More microbiologists will be needed to contribute to basic research and solve problems of industrial production, and develop new medicines, such as vaccines and antibiotics. In addition, pharmaceutical and biotechnology companies will need to hire experts in order to develop drugs that are produced with the aid of microorganisms.

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
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