#Question id: 33432
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 11233
#Unit 9. Diversity of Life Forms
Jams, jellies, preserves, honey, and other foodstuffs with a high sugar content hardly ever become contaminated by bacteria, even when the food containers are left open at room temperature. This is because bacteria that encounter such an environment
#Question id: 7269
#Unit 5. Developmental Biology
Following statements are regarding to gastrulation in chick embryo.
A.
During gastrulation, future mesodermal and endodermal cells migrate from the
epiblast through the primitive streak into the interior of the blastoderm.
B.
An aggregation of cells, known as Hensen’s node, forms at the posterior end of
the streak.
C.
As the streak extends, cells of the epiblast move toward the primitive streak,
through it, and then outward again underneath the surface to give rise
internally to the mesoderm and endoderm, the latter displacing a lower layer of
cells called the endoblast.
D.
Cells that remain in the epiblast form the endoderm.
Which of the following statements are correct?
#Question id: 32136
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 28742
#Unit 2. Cellular Organization
Peroxisomes carry out which type of reaction?
a) oxidation reactions
b) oxidation-reduction reactions
c) Hydrolysis reactions
d) peroxidation reaction