Q. What are peroxisomes?

1 Answer

Answer :

A. They contain peroxidase and catalase, necessary for destroying the unwanted free radicals.

Related questions

Description : Zellweger’s syndrome is due to inherited absence of (A) Peroxisomes (B) Phospholipase A1 (C) Acyl-Co-A dehydrogenase (D) Thiolase

Last Answer : Answer : A

Description : The d igest ive enzymes of ce l lu lar compounds are confined to (A) Lysosomes (B) Ribosomes (C) Peroxisomes (D) Polysomes

Last Answer : A

Description : Peroxisomes are connerned with

Last Answer : Peroxisomes are connerned with A. Respiration B. Photorespiration C. Photosynthesis D. Flowering

Description : In plant cells, peroxisomes are associated with

Last Answer : In plant cells, peroxisomes are associated with A. Photorespiration B. Photosynthesis C. Photoperiodism D. Phototropism

Description : In plant cells, peroxisomes are associated with

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Description : $ Lysosomes are also called suicidal bags of a cell. ! Glyoxysomes and Peroxisomes are the types of microbodies.

Last Answer : $ Lysosomes are also called suicidal bags of a cell. ! Glyoxysomes and Peroxisomes are the types of ... wrong D. If both As and R are wrong.

Description : What is a cell that lacks peroxisomes unable to do?

Last Answer : Need answer

Description : How are peroxisomes and lysosomes good examples of cellular compartmentalization?

Last Answer : How could the structure and function of the cell be used tosupport evolutionary theory

Description : Organelles involved in photorespiration are (a) Mitochondria, chloroplasts and ribosomes (b) Mitochondria, Peroxisomes and chloroplasts (c) Mitochondria, nucleus and ribosomes (d) Mitochondria, proxisomes and glyoxisomes

Last Answer : Ans. ((b))

Description : Cell organelle covered by single unit membrane is: (a) Glyoxisome (b) Lysosome (c) Peroxisomes (d) All of these.

Last Answer : Ans. ((d))

Description : Oxidase enzymes responsible for producing H2O2 are present in a. Mitochondria b. Ribosomes c. Peroxisomes d. Polysomes

Last Answer : Peroxisomes

Description : Which of the following organelle lack membrane? (a) Mitochondria (b) Ribosomes (c) Microtubules(d) Peroxisomes

Last Answer : (b) Ribosomes

Description : During photorespiration, the oxygen consuming reaction(s) occur in (a) stroma of chloroplasts (b) stroma of chloroplasts and mitochondria (c) stroma of chloroplasts and peroxisomes (d) grana of chloroplasts and peroxisomes.

Last Answer : (c) stroma of chloroplasts and peroxisomes

Description : Polyribosomes are aggregates of (a) ribosomes and rRNA (b) only rRNA (c) peroxisomes (d) several ribosomes held together by string of mRNA.

Last Answer : (d) several ribosomes held together by string of mRNA

Description : In plant cells, peroxisomes are associated with (a) photorespiration (b) phototropism (c) photoperiodism (d) photosynthesis.

Last Answer : (a) photorespiration

Description : In germinating seeds, fatty acids are degraded exclusively in the (a) peroxisomes (b) mitochondria (c) proplastids (d) glyoxysomes.

Last Answer : (d) glyoxysomes.

Description : Microtubules are the constituents of (a) centrioles, spindle fibres and chromatin (b) centrosome, nucleosome and centrioles (c) cilia, flagella and peroxisomes (d) spindle fibres, centrioles and cilia.

Last Answer : (d) spindle fibres, centrioles and cilia

Description : Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells? (a) Endoplasmic reticulum (b) Peroxisomes (c) Golgi bodies (d) Polysomes

Last Answer : (c) Golgi bodies

Description : Which of the following organelles contain DNA, divides and possesses some degree of autonomy? A- Golgi apparatus B- Ribosome C- Chloroplast D- Peroxisomes

Last Answer : Chloroplast

Description : Which of the following organelles contain DNA, divides and possesses some degree of autonomy? A- Golgi apparatus B- Ribosome C- Chloroplast D- Peroxisomes

Last Answer : Chloroplast

Description : Which of the following organelles or structures is found in both plant and animal cells? (A) Central vacuole (B) Tonoplast (C) Cell wall (D) Peroxisomes

Last Answer : (D) Peroxisomes

Description : These are involved in conversion of fats to carbohydrates by oxidation of fats. (A) Peroxisomes (B) Microsomes (C) Glyoxisomes (D) Phagosomes

Last Answer : (C) Glyoxisomes

Description : Peroxisomes and Glyoxisomes are (A) Energy transducers (B) Membrane-less organelles (C) Micro bodies (D) Basal bodies

Last Answer : (C) Micro bodies

Description : Which of the following is NOT a membranous organelle? (A) Lysosomes (B) Peroxisomes (C) Centrioles (D) Mitochondria

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Description : Hydrogen peroxide degradation in a cell is a function of (A) Ribosomes (B) Mitochondria (C) Peroxisomes (D) Glyoxisomes

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Description : The difference between smooth and rough endoplasmi reticulum is the lack of: a) ATP b) proteins c) ribosomes d) peroxisomes

Last Answer : ANSWER: C -- RIBOSOMES

Description : Invagination by a cell membrane forming a vesicle around a solid particle is a: a) lysosome b) phagocytosis (pron: fag-o-sigh-toe-sis) c) pinocytosis (pron: pin-o-sigh-toe-sis) d) peroxisomes (pron: pay-rak-se-som)

Last Answer : ANSWER: B -- PHAGOCYTOSIS