#Question id: 15882
#Unit 12. Applied Biology
#Question id: 2037
#Unit 4. Cell Communication and Cell Signaling
Which of the following complement receptor activate a humoral response by promoting trapping of an antigen-antibody complex?
#Question id: 32303
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 5292
#Unit 8. Inheritance Biology
A transformation experiment is performed with a donor strain that is resistant to four drugs: W, X, Y, and Z. The recipient is sensitive to all four drugs. The treated recipient population is divided up and plated on media containing various combinations of the drugs. The table below shows the results:
|
Drug(s) added |
Number of Colonies |
|
None |
20,000 |
|
WX |
76 |
|
WY |
1324 |
|
WZ |
1976 |
|
XY |
85 |
|
XZ |
69 |
|
YZ |
1564 |
|
WXY |
50 |
|
WXZ |
62 |
|
WYZ |
1354 |
|
XYZ |
48 |
|
WXYZ |
53 |
Following observation are given
A) X gene is obviously quite distant from the other three genes
B) Y gene is obviously quite distant from the other three genes
C) The Order is three closely link gene W Z Y
D) The Order is three closely link gene W X Z
Which of the following combination is correct?
#Question id: 3919
#Unit 3. Fundamental Processes
Most of the RNA polymerase activity in eukaryotic cells occurs in the