Consider a plant, such as maize, heterozygous for a paracentric inversion. The inversion is very small and a synapsed inversion loop does not occur in any of the cells. Which of the following statement is correct?

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#Question id: 16098

#Unit 7. System Physiology – Animal

Which one of the following is produced by sebaceous glands?

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#Question id: 5221

#Unit 11. Evolution and Behavior

Unequal crossing over during Prophase I can result in one sister chromosome with a deletion and another with a duplication. A mutated form of hemoglobin, known as hemoglobin Lepore, is known in the human population. Hemoglobin Lepore has a deleted set of amino acids. If it was caused by unequal crossing over, what would be an expected consequence?

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#Question id: 19843

#Unit 13. Methods in Biology

Real time PCR analyzed various steps such as__

a) Denaturation

b) Annealing

c) Phosphorylation

d) Amplification

e) Methylation

f) Extension

Which of the following steps are correctly analyzed by real time PCR?

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#Question id: 10474

#Unit 1. Molecules and their Interaction Relevant to Biology

Lipids differ from other large biological molecules in that they

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#Question id: 7211

#Unit 5. Developmental Biology

Choose the correct match.

Germ layers specifying signals	Result
a.     If either Nodal or Vg1 signaling is blocked	i.               No ectoderm induction
b.     If vegT mRNA depleted	ii.              No endoderm induction
c.     If smad2 phosphorylation inhibited	iii.            No mesoderm induction
	iv.            Ectoderm only