CUET-PG SERIES Zoology
Ph Value
2 previous year questions.
Volume: 2 Ques
Yield: Medium
High-Yield Trend
2
2023 Chapter Questions 2 MCQs
01
PYQ 2023
easy
zoology ID: cuet-pg-
Based on the context given below, answer the following questions:
Glycine is most often used as a buffering agent in biochemical experiments. This diprotic amino acid has a pKa value of 2.4 owing to carboxyl group and 9.6 owing to amino group. Glycine can exist as a zwitterion which can exist in either protonated form or as a free base because of the reversible reaction:
Glycine is most often used as a buffering agent in biochemical experiments. This diprotic amino acid has a pKa value of 2.4 owing to carboxyl group and 9.6 owing to amino group. Glycine can exist as a zwitterion which can exist in either protonated form or as a free base because of the reversible reaction:
02
PYQ 2023
medium
zoology ID: cuet-pg-
The pH of cytoplasm and lysosomes are ~ 7 and ~5 respectively. How many fold H+ ion concentration is higher in lysosomes compared to cytoplasm?
1
2
2
50
3
20
4
100