When F1 female Drosophila of the genotype AaBbCc is test crossed, ( Gene A and B located at 10 map unit in transe configuration but gene C are independently assort for both gene. Which of the following test cross progeny that is that is more frequent?

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#Question id: 2074

#SCPH05 I Biotechnology

In some cells, there are many ion electrochemical gradients across the plasma membrane even though there are usually only one or two proton pumps present in the membrane. The gradients of the other ions are most likely accounted for by:

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#Question id: 4943

#SCPH06 I Botany

In what way were conditions on the early Earth of more than 3 billion years ago different from those on todayʹs Earth?

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#Question id: 4330

#SCPH06 I Botany

Proto-oncogenes can change into oncogenes that cause cancer. Which of the following best explains the presence of these potential time bombs in eukaryotic cells?

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#Question id: 27884

#Research Methodology

What is the purpose of a research hypothesis?

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#Question id: 3858

#SCPH28 | Zoology

The 5' methyl guanosine caps added during RNA chain elongation performs what function?

1. prevents degradation by nucleases 

2. are recognized by protein factors

3. are used to identify the type of RNA