![subject](/tpl/images/cats/biologiya.png)
Biology, 17.12.2020 04:20 GreenHerbz206
Which of the following is not the factor that determines the Rf of pigments in paper chromatography?
A) the hydrophobicity of a pigment
B) the molecular weight of a pigment
C) the solubility of a pigment to the chromatography solvent
D) the affinity of a pigment to the cellulose fiber of the paper.
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 03:00
Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 11:00
When a cell is in a solution that has the same concentration of water and solutes as its cytoplasm, the cell is said to be in a(n) solution. a. isotonic b. hypotonic c. hypertonic b. facilitated
Answers: 3
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 13:10
Which of the following is caused by reproductive isolation within a species? a. a decrease in gene flow b. an increase in genetic flow c. a decrease in genetic drift d. an increase in gene flow
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 15:00
The color of the fur is the genotypephenotype.the genetic combination of alleles that determine the fur color is called the genotypephenotype.
Answers: 1
You know the right answer?
Which of the following is not the factor that determines the Rf of pigments in paper chromatography?...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2020 09:01
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2020 09:01
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2020 09:01
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2020 09:01
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2020 09:01
![question](/tpl/images/cats/geografiya.png)
Geography, 10.09.2020 09:01
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2020 09:01
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2020 09:01
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2020 09:01
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2020 09:01
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2020 09:01
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2020 09:01
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2020 09:01
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2020 09:01
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2020 09:01
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2020 09:01
![question](/tpl/images/cats/fizika.png)
Physics, 10.09.2020 09:01
![question](/tpl/images/cats/istoriya.png)
History, 10.09.2020 09:01
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2020 09:01
![question](/tpl/images/cats/mat.png)
Mathematics, 10.09.2020 09:01