#Question id: 3454
#Unit 11. Evolution and Behavior
Altruism is favoured when rb - c > 0 where c is fitness cost to altruist, b is fitness benefit to recipient; and r is genetic relatedness. It is under negative selection when
#Question id: 12714
#Unit 6. System Physiology – Plant
|
COLUMN I (environmental factor ) |
COLUMN II (primary effects) |
COLUMN III
(secondary
effects) |
|
A)
Water deficit |
i)
Hypoxia, Anoxia |
a)
Membrane dysfunction |
|
B)
High temperature |
ii)
ROS production |
b)
Reduced cellular and
metabolic activities, Leaf abscission, Ion cytotoxicity and Cavitation |
|
C)
Trace element
toxicity |
iii)
Photo inhibition |
c)
Reduced
respiration, Fermentative metabolism, Inadequate ATP production , ROS production and Stomatal closure |
|
D)
Flooding and soil
compaction |
iv)
Membrane
destabilization |
d)
Inhibition of PSII
repair |
|
E)
Chilling |
v)
Cell dehydration and
Hydraulic resistance |
e)
Disruption of
metabolism |
|
F)
High light intensity |
|
f)
Photosynthetic and
respiratory inhibition, ROS production |
#Question id: 2260
#Unit 2. Cellular Organization
The term "nuclear envelope" is more correct than the term "nuclear membrane" because
#Question id: 88
#Unit 1. Molecules and their Interaction Relevant to Biology
Anomers can be interconverted ________.
#Question id: 5363
#Unit 8. Inheritance Biology
A Southern blot using a probe that binds to the region spanning the mutation causing albinism detects one DNA fragment in homozygous normal individuals (A/A) and two fragments in albino individuals (a/a). Following banding pattern of three offspring of parents? Which of the following correct regarding parents?