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TLS Online TPP Program

#Question id: 4608

What must be true of any organ described as vestigial?

#XL - T Zoology

  1. It must be analogous to some feature in an ancestor.

  2. It must be homologous to some feature in an ancestor.

  3. It must be both homologous and analogous to some feature in an ancestor.

  4. It need be neither homologous nor analogous to some feature in an ancestor.

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TLS Online TPP Program

#Question id: 357

#XL - Q Biochemistry

What is the concentration of H+ in a solution of 0.1 M NaOH?
TLS Online TPP Program

#Question id: 358

#XL - S Microbiology

Consider the following reaction at equilibrium: CO2 + H2O ⇔ H2CO3. What would be the effect of adding additional H2O?
TLS Online TPP Program

#Question id: 358

#XL - Q Biochemistry

Consider the following reaction at equilibrium: CO2 + H2O ⇔ H2CO3. What would be the effect of adding additional H2O?
TLS Online TPP Program

#Question id: 359

#XL - S Microbiology

What is the concentration of OH− in a solution with an H+ concentration of 1.3 × 10^−4 M?
TLS Online TPP Program

#Question id: 359

#XL - Q Biochemistry

What is the concentration of OH− in a solution with an H+ concentration of 1.3 × 10^−4 M?
TLS Online TPP Program

#Question id: 360

#XL - S Microbiology

Which of the following is considered to be a strong base (alkali)?