During development in avian embryo, the sheet of cells that grows anteriorly from Koller’s sickle combines with the primary hypoblast to form the complete hypoblast layer, also called the:

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#Question id: 15387

#Unit 8. Inheritance Biology

How might the results of Bernard Davis's U tube experiment have been different if each strain were only mutant for a single gene?

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#Question id: 28223

#Unit 5. Developmental Biology

A stem cell has the capacity to differentiate into only one cell type this shows_

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#Question id: 26946

#Unit 10. Ecological Principles

Calculate the finite rate of increase, if ecologists count the number of insects in the population, N0=200, the next year ecologists count 260 insects in the same population?

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#Question id: 24553

#Unit 9. Diversity of Life Forms

113 Sequence divergence of genome are carried out by accumulating mutagens with time, according to the given graph which of the following prediction are correct about the codon position of the genome?

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#Question id: 4075

#Unit 3. Fundamental Processes

Pre-mRNA molecules

a. exist as free RNA molecules in eukaryotic cells.

b. are associated with an abundant set of nuclear proteins.

c. are mostly located in the cytoplasm.

d. are located in the nucleus.