Outside the egg cell membrane is an extracellular matrix that forms a fibrous mat around the egg and is often involved in sperm-egg recognition. In invertebrates, this structure is usually called the:

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#Question id: 2324

#SCPH28 | Zoology

Bacterial DNA is located in:

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#Question id: 27777

#Research Methodology

A process of collecting quantity of facts in systematic and organized manner to report any social problem or status of facts in certain area of society. is known as– 

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#Question id: 5566

#I Life Science/ Life Sciences Group – I-V

In some rare salamander species, all individuals are females. Reproduction relies on those females having access to sperm from males of another species. However, the resulting embryos receive no genetic contribution from the males. Why do you think sperm are necessary for reproduction?

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#Question id: 3014

#SCPH28 | Zoology

Regarding prokaryotic reproduction, which statement is correct?

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#Question id: 9185

#SCPH28 | Zoology

Plants are affected by an array of pathogens. Which of the following is a plant defense against disease?