Transpiration from the leaf depends on two major factors; -triyambak.org

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#Question id: 13552

Transpiration from the leaf depends on two major factors;

#XL - R Botany

difference between CO2 concenteration and the diffusional resistance (r)
Radius of curvature and Hydrostatic pressure
Tracheids and vessels
difference in water vapor concentration between the leaf air spaces and the external air and the diffusional resistance (r)

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#Question id: 5754

#XL - S Microbiology

A cell is exposed to EMS (a mutagen that causes guanine to mispair with thymine) and allowed to undergo a few rounds of DNA replication. The mutational event caused by this mutagen will be

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#Question id: 5755

#XL - S Microbiology

A researcher studying bacterial toxin predicts that a lysine within the toxin is important for binding it’s target cell. She used site-directed mutagenesis to change a codon for lysine (AAA) to one for asparagine (AAU). However, the mutant toxin still binds to its target cell just as well as the wild-type toxin bound and appears to have no other changes. This type of mutation is probably

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#Question id: 5756

#XL - S Microbiology

Type of mutation caused by an addition or deletion of a base in a polypeptide-encoding part of a gene

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#Question id: 5757

#XL - S Microbiology

A new E. coli mutant was tested for auxotrophy. The mutant grows on:

minimal medium (M) + arginine (A) + proline (P)

M + P + histidine (H)

M + A + H + P

but not on M or on M + A + H. The mutant requires