Damaged sieve elements are sealed off, but because of the processs that plug sieve plates pores, excuded phloem sap from wounds that sever sieve elements. Exudation of sap enhanced by the inclusion of;

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#Question id: 5744

#SCPH06 I Botany

The basic diploid chromosome number in Rye Secale cereale is 14. A new species of rye is found that has 28 chromosome species. This species is said to be

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#Question id: 4154

#SCPH06 I Botany

How many possible codons (of normal size) are possible using the bases found in DNA?

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#Question id: 16030

#SCPH05 I Biotechnology

Sometimes cell lines can be cultured for such a long time that they apparently develop the potential to be subcultured indefinitely in vitro. Such cells lines are called

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#Question id: 10575

#SCPH28 | Zoology

If the per capita birth rate (b) and per capita death rate (d) in one year is 0.80 and 0.20 respectively. if the initial population size is 600, what will be net change (dN) in population size in one year

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#Question id: 4130

#SCPH01 Biochemistry

Which of the following is not true of tRNA molecules?