#Question id: 24526
#Unit 11. Evolution and Behavior
#Question id: 32291
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 4534
#Unit 3. Fundamental Processes
The yeast Saccharomyces cerevisiae divides by budding: instead of dividing to produce two identical daughter cells, the so-called mother cell buds to produce a daughter cell, The HO gene is expressed only in mother cells and only at a certain point in the cell cycle,
1. SBF |
I- Which is active only during the G1-S transition of the cell cycle. |
2. SWI5 |
II-Which acts only in the mother cell. |
III- Recruit nucleosome modifiers |
#Question id: 7249
#Unit 5. Developmental Biology
Match the following proteins (column I) in nematodes with their functions
(column II).
Column
I |
Column
II |
A.
SKN-1 |
i.
specify the Anterior-Posterior axis |
B.
TBX-35 |
ii.
specify MS fates |
C.
MOM-2 and MOM-5 |
iii.
controls the fate of the EMS blastomere |
D.
PHA-4 |
iv.
activates mesodermal genes in the MS cell |
Which of the following is correct?
#Question id: 11057
#Unit 10. Ecological Principles
Bombardier beetles release an explosive mixture of quinones and hydrogen peroxide from glands at the end of their abdomen when disturbed by grasshopper mice and other predators. This is an example of what kind of defense against predation?