____ is a disease that causes progressive neurological degeneration that progresses to mental retardation and general loss of body function.

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#Question id: 34163

#Unit 7. System Physiology – Animal

Which of the following represents the correct sequential pathway for aldosterone synthesis from cholesterol, based on the enzyme-catalyzed steps?

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#Question id: 590

#Unit 1. Molecules and their Interaction Relevant to Biology

Which enzyme below is fastest?

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#Question id: 18221

#Unit 9. Diversity of Life Forms

In animal cells and in the meristem cells of land plants, the nuclear envelope disintegrates during mitosis. This disintegration does not occur in the cells of most protists and fungi. According to our current knowledge of plant evolution, which group of organisms should feature mitosis most similar to that of land plants? 

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#Question id: 5678

#Unit 5. Developmental Biology

Following process and their mechanism during fertilization in mammals.

a. Rheotaxis	i.A sensing mechanism in which, the oocyte and its accompanying cumulus cells secrete molecules that attract capacitated sperm toward the egg during the last stages of sperm migration
b.  Chemotaxis	ii.It is a transient event, and sperm are given a relatively brief window of competence during which they can successfully fertilize the egg.
c.  Capacitation		iii.it is the ability to sense temperature difference and preferentially swim from cooler to warmer sites is found only in capacitated sperm.
d. Thermotaxis		iv.Sperm receive long-distance directional cues from the flow of liquid from the oviduct to the uterus and they will migrate against the direction of the flow—using CatSper calcium channels to sense calcium influx and monitor the direction of the current

Which of the following option is correct?

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#Question id: 26472

#Unit 3. Fundamental Processes

The script that do not have intrinsic terminators known as