This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In order to distinguish between wavelengths independent of light intensity, one must have at least ... (Read 70 times)

rachel9

  • Sr. Member
  • ****
  • Posts: 495
on: Jun 19, 2018
In order to distinguish between wavelengths independent of light intensity, one must have at least _____visual pigment(s).
 
  A) one
  B) two
  C) three
  D) four

Question 2

Most computer databases
 
  a. allow searches only by subject terms.
  b. do not contain a great proportion of the relevant articles.
  c. are updated about once every two years.
  d. allow keywords to be combined to make the search more specific.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

batool

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jun 19, 2018
Answer to Question 1

B

Answer to Question 2

d


rachel9

  • Member
  • Posts: 495
Reply 2 on: Jun 19, 2018
Excellent

apple

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth
How Axis Tilt Affects the Intensity of Solar Radiation How Axis Tilt Affects the Intensity of Solar Radiation
An example of light palpation of the abdomen. (B) the physician uses two hands for deep bimanual ... An example of light palpation of the abdomen. (B) the physician uses two hands for deep bimanual ...
Air flows through the PCV valve during idle, cruising, and light-load conditions. Air flows through the PCV valve during idle, cruising, and light-load conditions.
Press up under the cheekbones. Use light to moderate pressure to press into the soft tissues up ... Press up under the cheekbones. Use light to moderate pressure to press into the soft tissues up ...
Independent assortment for two traits in humans follows the same pattern of inheritance as traits in Independent assortment for two traits in humans follows the same pattern of inheritance as traits in
Video: Anaphylaxis Animation

For a complete list of videos, visit our video library