mill9i5mwlakcle mill9i5mwlakcle

30-11-2016
Biology

contestada

What pigment is used in human vision?
A) chlorophyll a
B) beta-carotene
C) retinal
D) vitamin A
E) ferredoxin

Relax

Respuesta :

prettybrown prettybrown

30-11-2016

I think the answer is D

Answer Link

Otras preguntas

what is the difference between 5 times a number and 10 is 0

Help please and thank you

Is the expression 100x as a numerical expression or variable expression?

the moon is about 240,000 miles from Earth. What is this distance written as a whole number multiplied by a power of ten?

Why does lithostatic pressure increase more rapidly with depth than hydrostatic pressure?

Write 12,430,000 in expanded form

Evaluate (1/3)^2 Please help

2. Why was the invention of the printing press so important?

Suppose you decide to take a trip in your car today. you start out and drive 32 miles in 20 minutes (0.33 hours). then you stop and park your car for another 20

Please Answer! I really need some help!! High quality macro photography can be done with any camera, without special equipment. True or False?