A population of ground squirrels has an annual per capita birth rate of 0.06 and an annual per capita death rate of 0.02. Estimate the number of individuals added to (or lost from)  population of 1,000 individuals in one year. 

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#Question id: 10504

#Unit 6. System Physiology – Plant

Under which conditions, the Pseudomonas aeruginosa synthesize and release of siderophores

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#Question id: 1986

#Unit 4. Cell Communication and Cell Signaling

The following events occur when a mammalian immune system first encounters a pathogen. Which shows the correct sequence in which they occur?

I.   Pathogen is destroyed.

II.  Lymphocytes secrete antibodies.

III. Antigenic determinants from pathogen bind to antigen receptors on lymphocytes.

 IV.  Lymphocytes specific to antigenic determinants from pathogen become numerous.

V.   Only memory cells remain.

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#Question id: 18930

#Unit 13. Methods in Biology

The genomic DNA to be cloned is prepared by partial digestion with restriction endonucleases to obtain a suitable fragment size. Genomic fragments are then separated by using

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#Question id: 17270

#Unit 13. Methods in Biology

which of the following are the three important components of Electrophoresis 

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#Question id: 28246

#Unit 5. Developmental Biology

which of the following pathway is activated by paracrine factor in the adjacent germ stem cells to specify their self-renewal