Correct option is D
The nucleotides are known to be enzymatic molecules.
Question
Which of the following statements are incorrect with respect to nucleotides ?
(A) Purines and pyrimidines are nitrogenous bases.
(B) Nucleotides are non-enzymatic molecules.
(C) Phosphate group is linked to - OH of 5' C of a nucleoside through phosphoester linkage.
(D) In RNA, every nucleotide residue has an additional — OH group present at 2' position in the ribose.
(E) Thymine is an example of Pyrimidine.
Choose the correct answer from the options given below:
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EnglishSimilar Questions
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Match Column ‘A’ with Column ‘B’ and select the suitable answer from the codes given below:
Column IColumn IIA. Leishmania donovani{i}MalariaB. Wuchereria bancrofti{ii}AmoebiasisC. Trypanosoma gambiense{iii}Kala azarD. Entamoeba histolytica{iv}Sleeping sickness(v) Filariasis - 2)
Which of the following statement(s) is/are correct?
{i}Collagen is the most abundant protein in animals.
{ii}RuBisCO is the most abundant protein in plants.
{iii}Z-DNA is the most common double helical structure found in nature. - 3)
Match Column I (taxonomic rank) with Column II (example/term) and choose the correct code.
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Given below are two columns:
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Match the components of the Electron Transport System (ETS) of aerobic respiration with their respective electron carriers.
Column IColumn IIA. Complex I{i}Cyt c → O₂B. Complex II{ii}NADH → CoQC. Complex III{iii}Succinate → CoQD. Complex IV{iv}CoQH₂ → Cyt c - 6)
Observe the columns and match the plants/types in Column I to the morphological forms in Column II.
Column -IColumn- IIA. Scapei. TinosporaB. Culmii. GrassesC. Lianaiii. OnionD. Creeperiv. BambooChoose the correct answer from the codes given below:
- 7)
What would be the number of chromosomes in the endosperm if there are 16 chromosomes in onion root tip?
- 8)
Select the most appropriate definition of compensation point from the following:
A. When the rate of photosynthesis becomes equal to the rate of respiration.
B. When the rate of photosynthesis becomes equal to the rate of photorespiration.
C. When the rate of light reactions of photosynthesis becomes equal to the rate of dark reactions of photosynthesis.
D. When the rate of PS I becomes equal to the rate of PS II. - 9)
E. coli divides every 20 minutes. If a culture containing 1 × 10⁵ cells is incubated for 100 minutes at 37°C, how many cells would be expected?
- 10)
Acrosome reaction is triggered by:
Similar Questions
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Match Column ‘A’ with Column ‘B’ and select the suitable answer from the codes given below:
Column IColumn IIA. Leishmania donovani{i}MalariaB. Wuchereria bancrofti{ii}AmoebiasisC. Trypanosoma gambiense{iii}Kala azarD. Entamoeba histolytica{iv}Sleeping sickness(v) Filariasis - 2)
Which of the following statement(s) is/are correct?
{i}Collagen is the most abundant protein in animals.
{ii}RuBisCO is the most abundant protein in plants.
{iii}Z-DNA is the most common double helical structure found in nature. - 3)
Match Column I (taxonomic rank) with Column II (example/term) and choose the correct code.
Column IColumn IIA. Family{i}SolanumB. Kingdom{ii}SolanaceaeC. Order{iii}lycopersicumD. Species{iv}PlantaeE. Genus(v) Solanales - 4)
Given below are two columns:
Column I lists the names of scientists and Column II lists the discoveries made by them towards understanding photosynthesis in plants.
Match the scientists with the corresponding discoveries and choose the correct code.Column IColumn IIA. J.B. Van Helmont{i}Starch is the first visible product of photosynthesisB. Stephen Hales{ii}Water of soil contributes to the growth of plantsC. Engelmann{iii}Green plants get nourishment through their leaves from air and sunlightD. Sachs{iv}Action spectrum of photosynthesis - 5)
Match the components of the Electron Transport System (ETS) of aerobic respiration with their respective electron carriers.
Column IColumn IIA. Complex I{i}Cyt c → O₂B. Complex II{ii}NADH → CoQC. Complex III{iii}Succinate → CoQD. Complex IV{iv}CoQH₂ → Cyt c - 6)
Observe the columns and match the plants/types in Column I to the morphological forms in Column II.
Column -IColumn- IIA. Scapei. TinosporaB. Culmii. GrassesC. Lianaiii. OnionD. Creeperiv. BambooChoose the correct answer from the codes given below:
- 7)
What would be the number of chromosomes in the endosperm if there are 16 chromosomes in onion root tip?
- 8)
Select the most appropriate definition of compensation point from the following:
A. When the rate of photosynthesis becomes equal to the rate of respiration.
B. When the rate of photosynthesis becomes equal to the rate of photorespiration.
C. When the rate of light reactions of photosynthesis becomes equal to the rate of dark reactions of photosynthesis.
D. When the rate of PS I becomes equal to the rate of PS II. - 9)
E. coli divides every 20 minutes. If a culture containing 1 × 10⁵ cells is incubated for 100 minutes at 37°C, how many cells would be expected?
- 10)
Acrosome reaction is triggered by: