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 106 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

parshano

  • Member
  • Posts: 333
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Visible Light Spectrum Visible Light Spectrum
Gravitational Redshift The color of light from the same object located at diffe Gravitational Redshift The color of light from the same object located at diffe
This battery-powered tester uses light-emitting diodes (LEDs), meter lead terminals, and two small ... This battery-powered tester uses light-emitting diodes (LEDs), meter lead terminals, and two small ...
Transduction of Light by Photoreceptors Transduction of Light by Photoreceptors
Absorption spectra and light energy Absorption spectra and light energy
Light-independent reactions of photosynthesis Light-independent reactions of photosynthesis
Video: Febrile Seizure

For a complete list of videos, visit our video library