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From Our Gallery
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What better way to learn than with access to over 35,000 diagrams, photos, and illustrations.
 778
The human brain
 469
Structure of a flight feather
 1059
Anthrax bacteria (Bacillus anthracis)
 812
Anatomy of a seed. Left, corn (Zea Mays), a monocot; right, pea (Pisum sativum), a eudicot
 729
Reorganization of the rat motor cortex following transection of the motor neurons that control ...
 3462
Mono Lisa
 653
Bug depositing fertilized eggs on a pine needle
 477
Genetically Modified Pig
 860
Indricotherium
 134
Translation of mRNA
 610
Nonanthropoid Primates: Lemur
 586
Neuron and Astrocytes
 516
Wasp in Amber
 522
Embryonic development of shepherd’s purse (Capsella), a eudicot
 480
Root Hairs
 672
Myelin sheath
 657
James Watson and Francis Crick’s metal-and wire model of DNA
 949
Cohesion–tension theory of water transport in vascular plants
 116
Punnett square
 591
Early growth of corn (Zea mays), a typical monocot.
 845
Trichomes are hairs or other fine outgrowths of epidermal cells
 29493
The bronchial tree
 869
Cross-section of a human molar
 641
Major muscles of the human musculoskeletal system
 389
Electron micrograph of Euglena gracilis
 394
Eucalyptus robusta
 1736
Oxidative phosphorylation
 596
Pollen on stigmata - blanket flower (Gaillardia grandiflora)
 951
Ethylene Production During Strawberry Ripening
 565
Effects of Continental Drift
 13971
Examples of sensory receptors in the skin of mammals.
 1114
Solar Eclipse
 330
Outline of Meiosis I
 849
Taste receptors in the human tongue
 578
Three Types of Neurons
 4997
Reaction against infection
 15807
The alimentary canal of birds.
 552
Scorpion
 3251
From left to right: Size development, biometrical changes in the cranium, reduction of toes ...
 676
Micrograph and graphic of a motor neuron
 462
Overview of translation
 785
Example of inflammation as a response to bacterial infection.
 646
Exogenous Antigen Processing
 764
Pollen accumulates on the feathers of a little wattlebird (Antho-chaera chrysoptera) sipping nectar
 6546
Negative feedback as a mechanism by which homeostatic control systems operate.
 639
Trilateration GPS
 354
Oligodendrocytes
 4558
Changes in metabolic rate of selected structures in a mammal's body during different activities
 382
Time Line for Life’s Origin and Evolution
 692
Xylem vessels
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Automotive Math: Calculating Driveline Ratio and Tire Diameter
Automotive Math: Calculating Ride Height
Automotive Math: Calculations Involving Wheel Alignment Angles (Cross-camber, Cross-caster)
Automotive Math: Calculating Stopping Distance Rates
Automotive Math: Calculate Tire Height Using the Aspect Ratio
Square and Multiply Algorithm
Calculate the perimeter of the composite rectilinear shape #mathpuzzle
Man-in-the-Middle Attack on D-H Key Exchange
Reducing Ratios with Terms that are Decimals / Fractions
Diffie-Hellman Key Exchange Protocol (Step-by-Step) #cryptography
Reading a Tape Measure #trades
Solving a System of Linear Equations Graphically
Basic math - Long division with decimal numbers
Solve Basic Percent Change Problems
Solve Basic Percent Proportion Problems (Using BR = P)
Online Flashcards
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Which statement best describes disc brakes?

▸ Disc brakes require less force to accomplish the same braking effort as drum brakes.

▸ Disc brakes dissipate heat less efficiently compared to drum brakes.

▸...
Quiz Me
Drag the labels onto the flowchart below to describe the life cycle of Laminaria. Not all labels will be used.
Quiz Me
A major weakness of the Visigothic empire in Iberia was its
 
  A) failure to assimilate Roman culture.
  B) Germanic tradition of elective succession to the kingship.
  C) severe persecution of heretics....
Quiz Me
Which component regulates the flow of refrigerant into the evaporator?

▸ Thermostatic expansion valve

▸ Accumulator

▸ Receiver/dryer

▸ Condenser
Quiz Me
Suki is majoring in Internet Information Systems Technology and is looking for a job as a web specialist.
  However, he does not have much experience in conducting a professional job search.
  Many of Sukis classmates seem...
Quiz Me
Suppose you study a group of working-class, dual-income couples who have just had a baby. In all of these families, one of the parents agrees to work "off-shift" in hours different from the traditional 8-to-5 workday. Generalizing from research...
Quiz Me
Which type of EGR valve incorporates a potentiometer for position sensing?

▸ Vacuum controlled EGR valve

▸ Linear EGR valve

▸ Digital EGR valve

▸ Differential pressure feedback EGR valve
Quiz Me
Which type of EGR valve incorporates a potentiometer for position sensing?

▸ Vacuum controlled EGR valve

▸ Linear EGR valve

▸ Digital EGR valve

▸ Differential pressure feedback EGR valve
Quiz Me
What is the first step in removing an automatic transmission?
Quiz Me
What is the first step in removing an automatic transmission?
Quiz Me
Galen has always perceived himself as open-minded. This is an example of ________ self-esteem.
a.   state
b.   trait
c.   stable
d.   personal
Quiz Me
Which of the following is not a characteristic of all living things?
A) They have adaptive traits.
B) They are composed of multiple cells.
C) They contain carbohydrates, proteins, lipids, and nucleic acids.
D) They respond to...
Quiz Me
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