Measurements show that the pH of a particular lake is 4.0. What is the hydroxide ion concentration of the lake?

#Question id: 67

#SCPH05 I Biotechnology

When a region of DNA must be repaired by removing and replacing some of the nucleotides, what ensures that the new nucleotides are in the correct sequence?

#Question id: 67

#SCPH06 I Botany

When a region of DNA must be repaired by removing and replacing some of the nucleotides, what ensures that the new nucleotides are in the correct sequence?

#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

#Question id: 68

#SCPH06 I Botany

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

#Question id: 69

#SCPH05 I Biotechnology

Which of the following is the diastereomer of the following compound?

#Question id: 69

#SCPH06 I Botany

Which of the following is the diastereomer of the following compound?