What is the single best answer to the question “Which method is most characteristically used by trypanosomes to escape the immune response?”

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#Question id: 7240

#Unit 5. Developmental Biology

Given below are the list of some organism (column A) and determination of their dorsal-ventral axis (column B)

S.No.	Organism (Column A)	S.No	Determination of dorsal ventral axis (Column B)
A.	Chick	i.	sperm entry point and cortical rotation lead to specification of dorsal side opposite the point of sperm entry
B.	Zebrafish	ii.	initial symmetry-breaking event unknown. Localization of maternal Ndr1 and nuclear b -catenin species dorsal side and position of organizer
C.	Xenopus	iii.	interaction between inner cell mass and trophectoderm
D	Mouse	iv.	posterior marginal zone specifies ventral end of dorso-ventral axis

 Choose the correct option:

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#Question id: 11198

#Unit 7. System Physiology – Animal

The "undershoot" phase of hyperpolarization is due to ________.

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#Question id: 10657

#Unit 10. Ecological Principles

Assuming these age-structure diagrams describe human populations, in which population is unemployment likely to be a societal issue in the future?

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#Question id: 23683

#Unit 13. Methods in Biology

What is the enzymatic function of restriction enzymes?

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#Question id: 2500

#Unit 2. Cellular Organization

Poleward movement of chromosomes during anaphase A requires: