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 104 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

EAN94

  • Member
  • Posts: 307
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Meiosis Accounts for Independent Assortment of Alleles p2 Meiosis Accounts for Independent Assortment of Alleles p2
Light rays coming from an object to the retina. Light rays coming from an object to the retina.
Apply light stroking with the palms from hip to ankles as a connecting and finishing technique. ... Apply light stroking with the palms from hip to ankles as a connecting and finishing technique. ...
How wide must a narrow slit be if the first diffraction minimum occurs at 12 with laser light ... How wide must a narrow slit be if the first diffraction minimum occurs at 12 with laser light ...
Mendel’s observations about segregation and independent assortment are explained by the behavior ... Mendel’s observations about segregation and independent assortment are explained by the behavior ...
Energy flow in the light-dependent reactions of photosynthesis Energy flow in the light-dependent reactions of photosynthesis
Video: Facilitated Diffusion - Glucose transport

For a complete list of videos, visit our video library