Which of the following is a type of local signaling in which a cell secretes a signal molecule that affects neighboring cells?

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#Question id: 13103

#SCPH05 I Biotechnology

With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 

You do each PCR reaction and load each one into a separate well of an agarose gel, and then run the gel.

 

 

Why is it that some people show only one band?

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#Question id: 3482

#SCPH28 | Zoology

Which statement below about mating behavior is correct?

A) Some aspects of courtship behavior may have evolved from agonistic interactions.

B) The degree to which evolution affects mating relationships depends on the degree of prenatal and postnatal input the parents are required to make.

C) The mating relationship in most mammals is monogamous, to ensure the reproductive success of the pair.

D) Polygamous relationships most often involve a single male and many females, but in some species this is reversed

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#Question id: 15212

#SCPH06 I Botany

Sieving effect that contributes to the separation of proteins according to their size, in techniques such as SDS–gel electrophoresis, the concentration of gel used

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#Question id: 27708

#Research Methodology

Science is broadly divided into ……………….

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#Question id: 753

#SCPH05 I Biotechnology

The renaturation of regions of complementarity between different nucleic acid strands is known as___________