The origin of indirect evidence of life, no recognizable fossils except bacteria (microfossils) was during which geological eras?

#Question id: 10760

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

Following are some statements of secondary metabolites of terpenes in plants is incorrect?

#Question id: 11802

#SCPH05 I Biotechnology

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;

#Question id: 4926

#SCPH28 | Zoology

Shell coiling in snail is determined by genetic maternal effect for a single loci having D allele for dextral coiling but S allele for sinistral coiling. D dominant over S. which of the following cross would produced all progeny that is dextral coiling ?

I- DD Male X SS female

II- DD Male X DS female

III- SS Male X DD female

IV - DS Male X DS female

#Question id: 2274

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

Unlike those of prokaryotes, eukaryotic cell walls are composed of

#Question id: 4800

#SCPH28 | Zoology

You set up a mapping cross involving two genes of interest in Saccharomyces and determine the following tetrad types: 8 nonparentalditype; 12 tetratype; 80 parental ditype. Calculate the most accurate map distance between these two genes.