Which of the following structures will have the slowest rate of conduction of the cardiac action potential?

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#Question id: 68

#SCPH05 I Biotechnology

Match the following functional groups given in column I with their respective representatives given in column II.

COLUMN I               COLUMN II

1. Anhydride               a. RCOOR

2. Ether                       b. ROCOCH3

3. Acetyl                     c. ROR

4. Amido                     d. RCOOCOR

5. Ester                        e. RCONH2

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#Question id: 1399

#SCPH28 | Zoology

Loss-of-function mutations in which of the following genes typifies colorectal carcinomas?

a. myc              b. K-ras                       c. p53              d. APC

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#Question id: 2944

#SCPH28 | Zoology

DNA replication at each origin occurs only once during the cell cycle because of:

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#Question id: 4328

#SCPH28 | Zoology

Which of the following statements about the DNA in one of your brain cells is true?

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#Question id: 18663

#SCPH01 Biochemistry

When a protein exists in mono-, di- and tri-phosphorylated forms. The difference of a couple of phosphate groups has no significant effect on the overall relative molecular mass of the protein, hence a single band on SDS gels, but the small charge difference introduced on each molecule can be detected by