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TLS Online TPP Program

#Question id: 4958

What is true of the fossil record of mammalian origins?

#XL - T Zoology

  1. It is a good example of punctuated equilibrium.

  2. It shows that mammals and birds evolved from the same kind of dinosaur.

  3. It includes transitional forms with progressively specialized teeth.

  4. It indicates that mammals and dinosaurs did not overlap in geologic time.

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TLS Online TPP Program

#Question id: 368

#XL - S Microbiology

Which of the following is true about the properties of aqueous solutions?
TLS Online TPP Program

#Question id: 368

#XL - Q Biochemistry

Which of the following is true about the properties of aqueous solutions?
TLS Online TPP Program

#Question id: 369

#XL - S Microbiology

Calculate the pH of a 2.0 L solution containing 10 mL of 5 M acetic acid and 10 mL of 1 M sodium acetate. (pKa = 4.76)
TLS Online TPP Program

#Question id: 369

#XL - Q Biochemistry

Calculate the pH of a 2.0 L solution containing 10 mL of 5 M acetic acid and 10 mL of 1 M sodium acetate. (pKa = 4.76)
TLS Online TPP Program

#Question id: 370

#XL - S Microbiology

Which of the following statements is true about buffer solutions?
TLS Online TPP Program

#Question id: 370

#XL - Q Biochemistry

Which of the following statements is true about buffer solutions?