• Your 24/7 Study Community
    Let our members and experts help you today.
    Ask a question on your homework, textbook problem or any subject topic.
    Answer other members' questions for self-practice, posting credits, and goodwill.
  • Learn more...  What type of user are you?
    High School Student College Student Parent Educator Subject Enthusiast
  • Ace Your Classes
    with the help of Biology Forums' online study community...
    ...where you can find real help from students, educators, and subject enthusiasts.
    It's free!
    Join Today
Who Are We?
Biology Forums - Study Force is a global community comprised of students, educators, and enthusiasts helping each other understand how to solve problems in sciences, mathematics, business, nursing, humanities, and many more subjects.
Q and A Experts
Gallery
Study Resources
Dictionary
We provide access to various types of study material, including textbook solutions, topic notes, sample problems, illustrations, and practice exams that are created by us, indexed from the web, or contributed by our members.
Blogs
Video Tutorials
Flashcards
Textbook Solutions
Our tools, content, and community empower students to push the limits of their learning capabilities.
4.8M
Total Posts
1.9M
Total Topics
61.3K
Members Registered this Year
0
Guests Browsing
0
Members Online
0
Registrations Today
From Our Gallery
Enhance your visual learning  Download and share pictures with your free membership.
What better way to learn than with access to over 35,000 diagrams, photos, and illustrations.
 247
The last captive quagga
 482
A model of the 70 ribosome, with mRNA and tRNA bound
 110
Outline of Meiosis II
 2442
Paranasal sinuses are part of the upper respiratory system.
 182
Amoeba, a single-celled heterotroph
 347
The reflex arc
 374
Location and organization of the spinal cord
 110
Movement of acorns by blue jays allows gene flow between oak populations
 1448
Oxidative phosphorylation
 446
Cohesion–tension theory of water transport in vascular plants
 273
Life cycle of Obelia, a hydrazoan that has alternating medusa (left) and polyp generations
 580
Structure of a woody stem
 768
Western rim of Endeavour Crater
 574336
Insect Spy Drone
 344
The cascade of events by which the stroke-induced release of glutamate kills neurons.
 340
Evolutionary Tree for Chordates
 302
Photo of a lancelet
 4284
Changes in metabolic rate of selected structures in a mammal's body during different activities
 54
Mutations in the Beta Globin Gene
 3902
Mosquito Larva and Parasite
 259
Action Potential Summary
 10543
Root nodule development.
 262
Lamprey
 104
Miller's Experiment
 94
DNA Sequencing
 352
Pollen on stigmata - blanket flower (Gaillardia grandiflora)
 342
The periodic table and its creator, Dmitry Mendeleyev.
 110
Proportional Changes During Skull Development: Human vs. Chimpanzee
 249
Earthworm anatomy
 84
Bacteriophages
 211
The Major Plant Groups
 23922
The structure of the placenta
 246
Inflammation
 491
Sea Star Body Plan
 5174
Ancient Warming Shrunk Horses to Housecat Size
 377
Posterior pituitary function
 198
Overview of transcription and translation
 28789
Comparative structure of arteries, capillaries, and veins.
 209
Cephalopod: Octopus
 6042
Testing the reducing atmosphere hypothesis for the origin of life - the Miller and Urey experiment.
 335
Structures of the Human Eye
 8643
Stages of transcription
 1551
Effects of growth rate on development.
 865
Solar Eclipse
 298
Nonanthropoid Primates: Lemur
 402
James Watson and Francis Crick’s metal-and wire model of DNA
 347
A Cone Snail, Conus geographus
 294
Dry outgrowths of the ovary wall of a maple (Acer) fruit form “wings” that catch the wind and ...
 258
Life cycle of a moss (Polytrichum)
 3735
Bone Scans and Nuclear medicine
Our Videos are Simple, Yet Effective
Skip the theory  The best way to learn is by watching tons of video examples.
Get right to answering questions with step-by-step explanations in HD quality!
Calculating the Interest Rate in an Annuity (Using Excel)
Handling Partial Periods with Drop and Balloon Payments #finance #annuities
Future Value of Compound Interest Formula (How it Works and its Derivation)
Solving for the Number of Periods in an Annuity
Grade 6 Math Challenge: Average Speed 95% Get This Wrong!
Deriving the Geometric Series Sum Formula
Solving Promissory Note Problems - Calculating Discounting Time
Treasury Bill Calculations (T-bills)
Calculating Present Value of Annuity Due
Finance Trick to Paying off Your Mortgage Faster
Ordinary Simple Annuity Formula (How it Works and its Derivation)
Cavalieri's Indivisibles and the Area of a Circle
Calculating Real After Tax Interest Rate
Discount Loans Explained (when interest is paid upfront)
When in Rome (a tutorial on Roman numerals)
Online Flashcards
Study, learn, and test youself  Whether you want to memorize every bone in the body or prepare for the upcoming MCAT, our web-based flashcard maker has you covered.
Fundamentally, postmodernism may be understood as ________.
A) a celebration of Western culture
B) a rejection of Western cultural supremacy
C) an emphasis on rationality and science
D) an emphasis on Christianity
Quiz Me
Which of the following statements regarding recidivism among juvenile delinquents is FALSE?
a. Recidivists have less difficulty adjusting to their prosocial peers than do nonrecidivists.
b. Recidivists are more likely than nonrecidivists to...
Quiz Me
The management of Crosson Corporation is investigating the purchase of a new satellite routing system with a useful life of 9 years. The company uses a discount rate of 17% in its capital budgeting. The net present value of the investment,...
Quiz Me
In a cafeteria with an area layout, the add-ons should be placed near the cash register.
 
  Indicate whether the statement is true or false
Quiz Me
Which of the following was an important trumpeter to emerge during the swing era?
 
  a. Dave Douglas
  b. Count Basie
  c. Roy Eldridge
  d. Coleman Hawkins
Quiz Me
The figure shows the speedometer readings as a car comes to a stop. Solve graphically for the acceleration ax at t = 7.0 s.

Quiz Me
___________ is a stress management technique that involves alternate tensing and relaxing of muscle groups.

▸ Progressive muscle relaxation

▸ Neurofeedback

▸ Mindfulness

▸ Guided imagery
Quiz Me
The dramaturgical approach follows the ______ approach.
 
  a. emic
  b. etic
  c. enoch
  d. theater
  e. None of the above.
Quiz Me
Question 1.Prior to modern anesthesiology, what is one method physicians used to deaden a surgical patient's pain?

▸ patients were hypnotized

▸ patients were given barbiturates

▸...
Quiz Me
A fuel tank expansion chamber is designed to be what percentage of the tank capacity?
A) 2-5%      B) 25-30%      C) 10-20%      D) None of these
Quiz Me
Alexander, age 30, lost consciousness during a car accident. His doctor said that he suffers from retrograde amnesia. Alexander has a memory loss for events that occurred
a. shortly before his accident.
Correct: The process of consolidation...
Quiz Me
The rate of markup on the cost of vaping pens in a retailer is 125% because of the large losses from theft. What is the rate of markup on selling price?
Quiz Me
We're Social
Follow us on your favorite social media platform