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TLS Online TPP Program

#Question id: 27253

The overall conclusion of the Hershey-Chase experiment was that

#XL - T Zoology
  1. DNA was responsible for heredity
  2. proteins and DNA were responsible for heredity
  3. the ratio of Adenine to thymine was always the same
  4. phage DNA was similar to bacterial DNA

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TLS Online TPP Program

#Question id: 18079

#XL - S Microbiology

Within a gymnosperm megasporangium, what is the correct sequence in which the following should appear during development, assuming that fertilization occurs? 
1. Sporophyte embryo 2. female gametophyte 
3. egg cell                 4. megaspore 
TLS Online TPP Program

#Question id: 19627

#XL - P Chemistry

The strong conjugate base is
TLS Online TPP Program

#Question id: 20171

#XL - P Chemistry

The ratio of specific charge of a proton and an Alpha particle is
TLS Online TPP Program

#Question id: 412

#XL - S Microbiology

All of the following contribute to the large, negative, free-energy change upon hydrolysis of “high-energy” compounds except:
TLS Online TPP Program

#Question id: 3611

#XL - T Zoology

ABO blood group system is due to