First product formed after carboxylation in C4 cycle. -Biology

First product formed after carboxylation in C4 cycle. -Biology
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Enzyme involved in carboxylation in C4 cycle is? -Biology

Description : Enzyme involved in carboxylation in C4 cycle is? -Biology

Last Answer : In C4 plants the initial carboxylation is catalyzed by PEP carboxylase (orthophos- phate: oxaloacetate carboxylase phosphorylating - E. C. 4.1. 1.

Which of the following anzymes is involved in the primary carboxylation in C4 plants? (a) RUBP Carboxylase (b) PEP(c) Oxygenase (d) Carboxylase

Description : Which of the following anzymes is involved in the primary carboxylation in C4 plants? (a) RUBP Carboxylase (b) PEP(c) Oxygenase (d) Carboxylase

Last Answer : (b) PEP

Enzyme involved in carboxylation in C3 cycle is -Biology

Description : Enzyme involved in carboxylation in C3 cycle is -Biology

Last Answer : answer:

Study the pathway given below. Atmospheric CO2 mesophyll cell Bundle sheath cell Plasma- desmata Plasma membrane Cell wall HCO Phosphoenol- 3 – pyruvate Cell wall C acid 4 C acid 3 Transport Transport Fixation by Calvin cycle C acid 4 C acid 3 CO2 In which of the following options correct words for all the three blanks A, B and C are indicated? A B C (a) Decarboxylation Reduction Regeneration (b) Fixation Transamination Regeneration (c) Fixation Decarboxylation Regeneration (d) Carboxylation Decarboxylation Reduction

Description : Study the pathway given below. Atmospheric CO2 mesophyll cell Bundle sheath cell Plasma- desmata Plasma membrane Cell wall HCO Phosphoenol- 3 - pyruvate Cell wall C acid ... b) Fixation Transamination Regeneration (c) Fixation Decarboxylation Regeneration (d) Carboxylation Decarboxylation Reduction

Last Answer : (c) Fixation Decarboxylation Regeneration

Histamine is formed from histidine by (A) Deamination (B) Dehydrogenation (C) Decarboxylation (D) Carboxylation

Description : Histamine is formed from histidine by (A) Deamination (B) Dehydrogenation (C) Decarboxylation (D) Carboxylation

Last Answer : Answer : C

Who proposed C4 Cycle? -Biology

Description : Who proposed C4 Cycle? -Biology

Last Answer : answer:

Differences between C3 cycles and C4 cycle. -Biology

Description : Differences between C3 cycles and C4 cycle. -Biology

Last Answer : answer:

The primary acceptor of CO2 in C4 cycle is? -Biology

Description : The primary acceptor of CO2 in C4 cycle is? -Biology

Last Answer : answer:

C4 cycle is also known as

Description : C4 cycle is also known as

Last Answer : Ans. Hatch and slack pathway

The process which makes major difference between C3 and C4 plants is (a) glycolysis (b) Calvin cycle (c) photorespiration (d) respiration.

Description : The process which makes major difference between C3 and C4 plants is (a) glycolysis (b) Calvin cycle (c) photorespiration (d) respiration.

Last Answer : (c) photorespiration

In C4 plants, Calvin cycle operates in (a) stroma of bundle sheath chloroplasts (b) grana of bundle sheath chloroplasts (c) grana of mesophyll chloroplasts (d) stroma of mesophyll chloroplasts.

Description : In C4 plants, Calvin cycle operates in (a) stroma of bundle sheath chloroplasts (b) grana of bundle sheath chloroplasts (c) grana of mesophyll chloroplasts (d) stroma of mesophyll chloroplasts.

Last Answer : (a) stroma of bundle sheath chloroplasts

Which pair is wrong? (a) C3-maize (b) C4-kranz anatomy (c) Calvin cycle-PGA (d) Hatch and Slack cycle - OAA

Description : Which pair is wrong? (a) C3-maize (b) C4-kranz anatomy (c) Calvin cycle-PGA (d) Hatch and Slack cycle - OAA

Last Answer : (a) C3-maize

Select the false statement ? a. CAM cycle occurs in Mesophyll cells b. C3 plants are more efficient in photosynthesis than C4 plants c. Pineapple is CAM plant d. Maize is C4 plant

Description : Select the false statement ? a. CAM cycle occurs in Mesophyll cells b. C3 plants are more efficient in photosynthesis than C4 plants c. Pineapple is CAM plant d. Maize is C4 plant

Last Answer : b. C3 plants are more efficient in photosynthesis than C4 plants

What is carboxylation in photosynthesis? -Biology

Description : What is carboxylation in photosynthesis? -Biology

Last Answer : answer:

In Hatch-Slack pathway, carboxylation occurs how many times? -Biology

Description : In Hatch-Slack pathway, carboxylation occurs how many times? -Biology

Last Answer : answer:

In Hatch-Slack pathway, carboxylation occurs how many times? -Biology

Description : In Hatch-Slack pathway, carboxylation occurs how many times? -Biology

Last Answer : answer:

First product of C4 pathway is

Description : First product of C4 pathway is

Last Answer : Ans. Oxalo acetic acid (OAA)

The first reaction in photorespiration is: (a) Decarboxylation (b) Oxygenation (c) Carboxylation (d) Phosphorylation

Description : The first reaction in photorespiration is: (a) Decarboxylation (b) Oxygenation (c) Carboxylation (d) Phosphorylation

Last Answer : Ans. ((b))

A coenzyme required in carboxylation reactions is (A) Lipoic acid (B) Coenzyme A (C) Biotin (D) All of these

Description : A coenzyme required in carboxylation reactions is (A) Lipoic acid (B) Coenzyme A (C) Biotin (D) All of these

Last Answer : Answer : C

Carboxylation of acetyl-CoA to malonylCoA requires the enzyme: (A) Acetyl-CoA carboxylase (B) Pyruvate carboxylase (C) Acetyl transacylase (D) Acyl CoA-synthetase

Description : Carboxylation of acetyl-CoA to malonylCoA requires the enzyme: (A) Acetyl-CoA carboxylase (B) Pyruvate carboxylase (C) Acetyl transacylase (D) Acyl CoA-synthetase

Last Answer : Answer : A

Biotin is essential for (A) Translation (B) Carboxylation (C) Hydroxylation (D) Transamination

Description : Biotin is essential for (A) Translation (B) Carboxylation (C) Hydroxylation (D) Transamination

Last Answer : Answer : B

The vitamin required for carboxylation reaction is (A) Vitamin B2 (B) Vitamin B6 (C) Biotin (D) Vitamin B12

Description : The vitamin required for carboxylation reaction is (A) Vitamin B2 (B) Vitamin B6 (C) Biotin (D) Vitamin B12

Last Answer : Answer : C

One of the main functions of Vitamin K is the cofactor for (A) Carboxylase for the formation of γ--carboxy glutamate (B) Methylation by S-adenosyl methionine (C) Carboxylation by biotin (D) One carbon transfer by tetra hydrofolate

Description : One of the main functions of Vitamin K is the cofactor for (A) Carboxylase for the formation of γ--carboxy glutamate (B) Methylation by S-adenosyl methionine (C) Carboxylation by biotin (D) One carbon transfer by tetra hydrofolate

Last Answer : Answer : A

Biotin is involved in which of the following types of reactions? (A) Hydroxylation (B) Carboxylation (C) Decarboxylation (D) Deamination

Description : Biotin is involved in which of the following types of reactions? (A) Hydroxylation (B) Carboxylation (C) Decarboxylation (D) Deamination

Last Answer : Answer : B

One of the main functions of Vitamin K is cofactor for (A) Carboxylate for the formation of γ carboxyglutamate (B) Methylation of δ-adenosyl methionine (C) Carboxylation of biotin (D) One carbon transfer by tetrahydrofolate

Description : One of the main functions of Vitamin K is cofactor for (A) Carboxylate for the formation of γ carboxyglutamate (B) Methylation of δ-adenosyl methionine (C) Carboxylation of biotin (D) One carbon transfer by tetrahydrofolate

Last Answer : Answer : A

A molecule of CO2 is captured by biotin when it acts as coenzyme for carboxylation reaction. The carboxyl group is covalently attached to (A) A nitrogen (N1) of the biotin molecule (B) Sulphur of thiophene ring (C) α-Amino group of lysine (D) α-Amino group of protein

Description : A molecule of CO2 is captured by biotin when it acts as coenzyme for carboxylation reaction. The carboxyl group is covalently attached to (A) A nitrogen (N1) of the biotin molecule (B) Sulphur of thiophene ring (C) α-Amino group of lysine (D) α-Amino group of protein

Last Answer : Answer : A

Pyridoxal phosphate is central to (A) Deamination (B) Amidation (C) Carboxylation (D) Transamination

Description : Pyridoxal phosphate is central to (A) Deamination (B) Amidation (C) Carboxylation (D) Transamination

Last Answer : Answer : D

Vitamin B1 coenzyme (TPP) is involved in (A) Oxidative decarboxylation (B) Hydroxylation (C) Transamination (D) Carboxylation

Description : Vitamin B1 coenzyme (TPP) is involved in (A) Oxidative decarboxylation (B) Hydroxylation (C) Transamination (D) Carboxylation

Last Answer : Answer : A

Vitamin K is a cofactor for (A) Gamma carboxylation of glutamic acid residue (B) β-Oxidation of fatty acid (C) Formation of γ-amino butyrate (D) Synthesis of tryptophan

Description : Vitamin K is a cofactor for (A) Gamma carboxylation of glutamic acid residue (B) β-Oxidation of fatty acid (C) Formation of γ-amino butyrate (D) Synthesis of tryptophan

Last Answer : Answer : A

Carboxylation of acetyl—CoA to malonyl — CoA takes place in presence of (A) FAD+ (B) Biotin (C) NAD+ (D) NADP+

Description : Carboxylation of acetyl—CoA to malonyl — CoA takes place in presence of (A) FAD+ (B) Biotin (C) NAD+ (D) NADP+

Last Answer : Answer : C

Histidine is converted into histamine by (A) Carboxylation (B) Decarboxylation (C) Methylation (D) Hydroxylation

Description : Histidine is converted into histamine by (A) Carboxylation (B) Decarboxylation (C) Methylation (D) Hydroxylation

Last Answer : Answer : B

An aneplerotic reaction which sustains the availability of oxaloacetate is the carboxylation of (A) Glutamate (B) Pyruvate (C) Citrate (D) Succinate

Description : An aneplerotic reaction which sustains the availability of oxaloacetate is the carboxylation of (A) Glutamate (B) Pyruvate (C) Citrate (D) Succinate

Last Answer : B

Vitamin B1 coenzyme (TPP) is involved in (A) Oxidative decarboxylation (B) Hydroxylation (C) Transamination (D) Carboxylation

Description : Vitamin B1 coenzyme (TPP) is involved in (A) Oxidative decarboxylation (B) Hydroxylation (C) Transamination (D) Carboxylation

Last Answer : (A) Oxidative decarboxylation

First product formed when CO2 is fixed during dark reaction in C3 cycle. -Biology

Description : First product formed when CO2 is fixed during dark reaction in C3 cycle. -Biology

Last Answer : answer:

Name some C4 plants. -Biology

Description : Name some C4 plants. -Biology

Last Answer : Examples of C4 Plants Examples of C4 species are the economically important crops corn or maize (Zea mays), sugarcane (Saccharum officinarum), sorghum (Sorghum bicolor), and millets, as well as the switchgrass (Panicum virganum) which has been utilized as a source of biofuel.

What are the differences between C3 and C4 photosynthetic pathways? -Biology

Description : What are the differences between C3 and C4 photosynthetic pathways? -Biology

Last Answer : answer:

Compare between the anatomy of leaf in C3 and C4 plants. -Biology

Description : Compare between the anatomy of leaf in C3 and C4 plants. -Biology

Last Answer : answer:

Under what conditions are C4 plants superior to C3 plants? -Biology

Description : Under what conditions are C4 plants superior to C3 plants? -Biology

Last Answer : answer:

What special anatomical features are displayed by leaves of C4 plants? -Biology

Description : What special anatomical features are displayed by leaves of C4 plants? -Biology

Last Answer : answer:

Name the two important enzymes of C3 and C4 pathway? -Biology

Description : Name the two important enzymes of C3 and C4 pathway? -Biology

Last Answer : answer:

Why does not photorespiration take place in C4 plants? -Biology

Description : Why does not photorespiration take place in C4 plants? -Biology

Last Answer : Photorespiration occurs due to the oxygenase activity of RuBisCO. When the concentration of O2 is high, RuBisCO binds to oxygen and carries out photorespiration. C4 plants have a mechanism of maintaining high CO2 concentration at the enzyme site, thus photorespiration does not occur

CO2 acceptor in the mesophyll cells of a C4 plant is -Biology

Description : CO2 acceptor in the mesophyll cells of a C4 plant is -Biology

Last Answer : answer:

What are C4 Plants? -Biology

Description : What are C4 Plants? -Biology

Last Answer : C4 plants are plants which cycle carbon dioxide to 4-carbon sugar compounds in order to enter the C3 or the Calvin cycle. The C4 plants are very productive in climatic conditions that are hot and dry and produce a lot of energy.

What is C4 pathway in plants? -Biology

Description : What is C4 pathway in plants? -Biology

Last Answer : answer:

Examples of C4 plants -Biology

Description : Examples of C4 plants -Biology

Last Answer : Examples of C4 plants include corn, sorghum, sugarcane, millet, and switchgrass. However, the C4 anatomical and biochemical adaptations require additional plant energy and resources than C3 ... and so in cooler environments, C3 plants are typically more photosynthetically efficient and productive.

Which compound act as co2 accepter in c3 and c4 plant -Biology

Description : Which compound act as co2 accepter in c3 and c4 plant -Biology

Last Answer : answer:

Which compound act as co2 accepter in c3 and c4 plant -Biology

Description : Which compound act as co2 accepter in c3 and c4 plant -Biology

Last Answer : answer:

First CO2 receptor in C4 plants is: (a) PGA (b) PEP (c) RuBD (d) OAA

Description : First CO2 receptor in C4 plants is: (a) PGA (b) PEP (c) RuBD (d) OAA

Last Answer : Ans. ((b))

The first carbon dioxide acceptor in C4-plants is (a) phosphoenol-pyruvate (b) ribulose 1, 5-diphosphate (c) oxaloacetic acid (d) phosphoglyceric acid.

Description : The first carbon dioxide acceptor in C4-plants is (a) phosphoenol-pyruvate (b) ribulose 1, 5-diphosphate (c) oxaloacetic acid (d) phosphoglyceric acid.

Last Answer : (a) phosphoenol-pyruvate

Which is the first CO2 acceptor enzyme in C4 plants? (a) RuDP carboxylase (b) Phosphoric acid (c) RuBisCO (d) PEP- carboxylase

Description : Which is the first CO2 acceptor enzyme in C4 plants? (a) RuDP carboxylase (b) Phosphoric acid (c) RuBisCO (d) PEP- carboxylase

Last Answer : (d) PEP- carboxylase