The process of organogenesis in vertebrate embryos is heavily influenced by epithelial-mesenchymal transitions (EMTs). Which of the following is NOT a characteristic feature of EMT during organogenesis?
Loss of cell adhesion molecules.
Increased cell motility.
Increased cell proliferation within the epithelium.
Degradation of the extracellular matrix.
Related Questions
The process of formation of haploid spores from a diploid sporophyte is called:
Mitosis
Meiosis
Fertilization
Pollination
Which plant hormone promotes seed dormancy?
Gibberellin
Auxin
Cytokinin
Abscisic acid (ABA)
The cells proximal (just next away from the tip) to the meristematic zone represents the phase of
Division
Maturation
Elongation
Meristematic division
Unlike the formation of vascular tissues from procambium, the development of interfascicular cambium from parenchyma cells represents:
Redifferentiation
Dedifferentiation
Differentiation
Cell maturation
A mutation affects the function of the Hox genes in a developing Drosophila embryo. Which of the following is the MOST likely consequence?
Premature termination of embryonic development.
Failure of gastrulation.
Homeotic transformations, leading to segments developing with characteristics of other segments.
Lack of differentiation of germ layers.
The transformation of a larva into an adult through drastic changes is called:
Moulting
Metamorphosis
Regeneration
Growth
The transformation of a larva into an adult through drastic changes is termed:
Embryogenesis
Gametogenesis
Regeneration
Metamorphosis
I. Plasmatic growth
II. Differentiation
III. Maturation
IV. Senescence
Identify the correct sequence of the following events occurring in plants and choose the correct option accordingly
I → II → III → IV
I → II → IV → III
IV → III → II → I
IV → I → II → III
The archenteron in a developing gastrula will eventually give rise to which structure in the adult organism?
Neural tube
Notochord
Digestive tract
Coelom
Which of the following extra-embryonic membranes in amniotes primarily functions in waste storage?
Chorion
Amnion
Yolk sac
Allantois
