Which one statement best describes gastrulation in sea urchins?

a) Gastrulation is initiated by invagination of the micromeres at the vegetal pole.

b) The mouth of the pluteus larva will form from mesomeres on the oral side of the 60-cell embryo.

c) The gut will form from the macromeres at the 16-cell stage.

d) Mesenchymal cells originating at the vegetal pole will invaginate first during gastrulation and will form skeletal structures in the pluteus larva.

Which of the following combination is correct?

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#Question id: 829

#Unit 1. Molecules and their Interaction Relevant to Biology

Which one is the incorrect conclusion of Anfinsen’s eperiments?

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#Question id: 28160

#Unit 1. Molecules and their Interaction Relevant to Biology

'Protein folding is not random, must have pathways' this statement can be explained by

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#Question id: 6977

#Unit 5. Developmental Biology

Cartilage (bone-forming tissue) and connective tissue of the vertebrate limb form from:

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#Question id: 421

#Unit 1. Molecules and their Interaction Relevant to Biology

The flow of material through a metabolic pathway is called the ________

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#Question id: 12493

#Unit 8. Inheritance Biology

Cystic fibrosis shows autosomal recessive inheritance with an incidence of 1 in 2500. The unaffected brother of an affected girl is referred for genetic counseling. Assume that the population is in Hardy-Weinberg equilibrium. Which of the following is correct?