#Question id: 11150
#XL - T Zoology
Use the information in the table to answer the question.
Calculate the equilibrium potential for potassium. Assume a temperature of 37°C.
#Question id: 5281
#XL - S Microbiology
In the mating Hfr Strs met+ his+ leu+ trp+ Ala+ X F- Strres met- his- leu- trp- Ala-. At regular interval time, the mating cells are interrupted and the cell suspensions plated on four different growth media with streptomycin. The amino acids in the growth media and the number of colonies observed on each are as follows:
|
Interrupted time |
Composition of media |
Growth |
||||
|
His |
Leu |
Ala |
Trp |
Met |
||
|
2 min |
+ |
- |
+ |
+ |
+ |
Yes |
|
10 min |
+ |
- |
- |
+ |
+ |
Yes |
|
12 min |
+ |
- |
- |
+ |
- |
No |
|
15 min |
+ |
- |
- |
- |
+ |
Yes |
|
20 min |
- |
- |
- |
- |
+ |
Yes |
What is the order of transfer of the genes?
#Question id: 4195
#XL - T Zoology
Unlike bacterial mRNA, eukaryotic mRNA must undergo __ before it may be used for translation.
#Question id: 182
#XL - T Zoology
Which amino acid is least likely to participate in acid-base catalysis?
#Question id: 429
#XL - S Microbiology
An organism that uses organic molecules as carbon sources and obtains energy by oxidizing inorganic molecules is a(an) ________.