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TLS Online TPP Program

#Question id: 14960

How might the ability of pea plants to self fertilize be a problem for genetic experiments?

#XL - T Zoology
  1. Self fertile plants tend to be weaker and require more care.
  2. Self fertile plants are not able to produce viable seeds due to inbreeding.
  3. Stamens must be removed from self fertile plants to control fertilization 
  4. Pistils of self fertile plants are unable to accept pollen from other plants.
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TLS Online TPP Program

#Question id: 56

#XL - Q Biochemistry

Trace elements are those required by an organism in only minute quantities. Which of the following is a trace element that is required by humans and other vertebrates, but not by other organisms such as bacteria or plants?
TLS Online TPP Program

#Question id: 4193

#XL - T Zoology

Chain elongation consists of three steps: (1) positioning the correct aminoacyl-tRNA to the A site, (2) forming the peptide bond and (3) __.
TLS Online TPP Program

#Question id: 9599

#XL - Q Biochemistry

The primary donor of PSI, P700, is a dimer of chlorophyll a molecules, in primary donor chlorophyll, additional chlorophylls molecules such as
TLS Online TPP Program

#Question id: 17072

#XL - R Botany

Plastic Film, Teflon (fluoroethylenepropylene copolymer) is biologically inert and are extensively used for monolayer and suspension cultures as thry are
TLS Online TPP Program

#Question id: 20133

#XL - P Chemistry

For the combustion of 1 mole of liquid benzene at 25ºC, the heat of reaction at constant pressure is given by, C6H6(l) + 7 O2 (g) → 6CO2 (g) + 3H2O (l); DH = –780980 cal.
What would be the heat of reaction at constant volume?