Each chloroplast encloses a system of flattened, membranous sacs called (A) Cristae (B) Thylakoids (C) Plastids (D) Cisternae

Each chloroplast encloses a system of flattened, membranous sacs called
(A) Cristae
(B) Thylakoids
(C) Plastids
(D) Cisternae
by

1 Answer

Answer :

(B) Thylakoids
by

Related questions

Match the columns and identify the correct option. Column I Column II A. Thylakoids (i) Disc-shaped sacs in Golgi apparatus B. Cristae (ii) Condensed structure of DNA C. Cisternae (iii) Flat membranous sacs in stroma D. Chromatin (iv) Infoldings in mitochondria (a) A-(iii), B-(i), C-(iv), D-(ii) (b) A-(iii), B-(iv), C-(ii), D-(i) (c) A-(iv), B-(iii), C-(i), D-(ii) (d) A-(iii), B-(iv), C-(i), D-(ii)

Description : Match the columns and identify the correct option. Column I Column II A. Thylakoids (i) Disc-shaped sacs in Golgi apparatus B. Cristae (ii) Condensed structure of DNA C. Cisternae (iii) Flat membranous sacs in stroma D. Chromatin (iv) ... iii), C-(i), D-(ii) (d) A-(iii), B-(iv), C-(i), D-(ii)

Last Answer : (d) A-(iii), B-(iv), C-(i), D-(ii)

The structures that are formed by stacking of organised flattened membranous sacs in the chloroplasts are (a) stroma lamellae (b) stroma (c) cristae (d) grana.

Description : The structures that are formed by stacking of organised flattened membranous sacs in the chloroplasts are (a) stroma lamellae (b) stroma (c) cristae (d) grana.

Last Answer : (d) grana.

Which one of the following cellular parts is correctly described? (a) Thylakoids - flattened membranous sacs forming the grana of chloroplasts (b) Centrioles - sites for active RNA synthesis (c) Ribosomes - those on chloroplasts are larger (80S) while those in the cytoplasm are smaller (70S) (d) Lysosomes - optimally active at a pH of about 8.5

Description : Which one of the following cellular parts is correctly described? (a) Thylakoids - flattened membranous sacs forming the grana of chloroplasts (b) Centrioles - sites for active RNA synthesis (c) Ribosomes - ... cytoplasm are smaller (70S) (d) Lysosomes - optimally active at a pH of about 8.5

Last Answer : (a) Thylakoids - flattened membranous sacs forming the grana of chloroplasts

Within chloroplasts, light is captured by (A) Grana within cisternae (B) Thylakoids within grana (C) Cisternae within grana (D) Grana within thylakoids

Description : Within chloroplasts, light is captured by (A) Grana within cisternae (B) Thylakoids within grana (C) Cisternae within grana (D) Grana within thylakoids

Last Answer : (B) Thylakoids within grana

Plant cells contain the following 3 things not found in animal cells _________, _____________ and ______________. (A) Plastids / Chlorophyll / Membrane (B) Chloroplast / Cell wall / Golgi body (C) Plastids / Cell wall / Chlorophyll (D) Mitochondria / Cell wall /

Description : Plant cells contain the following 3 things not found in animal cells _________, _____________ and ______________. (A) Plastids / Chlorophyll / Membrane (B) Chloroplast / Cell wall / Golgi body (C) Plastids / Cell wall / Chlorophyll (D) Mitochondria / Cell wall /

Last Answer : (C) Plastids / Cell wall / Chlorophyll

Which one is common amongst nucleus, chloroplast and mitochondria? (a) Cristae (b) Thylakoids (c) Nucleic acid (d) Carbohydrate metabolism

Description : Which one is common amongst nucleus, chloroplast and mitochondria? (a) Cristae (b) Thylakoids (c) Nucleic acid (d) Carbohydrate metabolism

Last Answer : Ans. ((c))

Infoldings of inner membrane in mitochondria are called (A) Grana (B) Thyallkoids (C) Cristae (D) Frets

Description : Infoldings of inner membrane in mitochondria are called (A) Grana (B) Thyallkoids (C) Cristae (D) Frets

Last Answer : (C) Cristae

.Which one of the following organelles is located near the nucleus and contains a collection of flattened membrane bound cisternae? (a) Nucleolus (b) Mitochondrion (c) Centriole (d) Golgi apparatus

Description : .Which one of the following organelles is located near the nucleus and contains a collection of flattened membrane bound cisternae? (a) Nucleolus (b) Mitochondrion (c) Centriole (d) Golgi apparatus

Last Answer : (d) Golgi apparatus

A netlike membranous complex of superposed flat saccules with vesicles detaching from the extremities seen in electronic microscopy ?

Description : A netlike membranous complex of superposed flat saccules with vesicles detaching from the extremities seen in electronic microscopy ?

Last Answer : What is the observed structure? What is its biological function? What is being observed is the Golgi complex, or Golgi apparatus. This cytoplasmic organelle is associated with chemical processing and ... their substances to the exterior. Cell Structure Review - Image Diversity: Golgi apparatus

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

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

Last Answer : (C) Centrioles

Match the following and select the correct answer `{:("Centriole",(i)"Infoldings in mitochondria"),("Chlorophyll",(ii)"Thylakoids"),("Cristae",(iii)"N

Description : Match the following and select the correct answer `{:("Centriole",(i)"Infoldings in mitochondria"),("Chlorophyll",(ii)"Thylakoids"),("Cristae",(iii)"N

Last Answer : Match the following and select the correct answer `{:("Centriole",(i)"Infoldings in mitochondria"),("Chlorophyll",(ii)" ... ","(iii)","(i)","(ii)"):}`

The inner membrane of the mitochondria is, usually, highly convoluted forming a series of infoldings known as (a) thylakoids (b) lamellae (c) cristae (d) grana.

Description : The inner membrane of the mitochondria is, usually, highly convoluted forming a series of infoldings known as (a) thylakoids (b) lamellae (c) cristae (d) grana.

Last Answer : (c) cristae

Match the following and select the correct answer. (A) Centriole (i) lnfoldings in mitochondria (B) Chlorophyll (ii) Thylakoids (C) Cristae (iii)Nucleic acids (D) Ribozymes (iv) Basal body of cilia or flagella A B C D (a) (iv) (ii) (i) (iii) (b) (i) (ii) (iv) (iii) (c) (i) (iii) (ii) (iv) (d) (iv) (iii) (i) (ii)

Description : Match the following and select the correct answer. (A) Centriole (i) lnfoldings in mitochondria (B) Chlorophyll (ii) Thylakoids (C) Cristae (iii)Nucleic acids (D) Ribozymes (iv) Basal body of cilia or flagella A B C D (a) (iv) (ii) ... ii) (iv) (iii) (c) (i) (iii) (ii) (iv) (d) (iv) (iii) (i) (ii)

Last Answer : (a) (iv) (ii) (i) (iii)

What Thylakoids are membrane sacs that contain?

Description : What Thylakoids are membrane sacs that contain?

Last Answer : chlorophyll

The covering of vacuole is known as (A) Chromoplast B) Chloroplast (C) Amyloplast (D) Tonoplast

Description : The covering of vacuole is known as (A) Chromoplast B) Chloroplast (C) Amyloplast (D) Tonoplast

Last Answer : (D) Tonoplast

The chloroplast develop from (A) ER (B) Golgi complex (C) Nuclear membrane (D) Proplastids

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Last Answer : (D) Proplastids

Which organelle releases oxygen (A) Mitochondrion (B) Chloroplast (C) Glyoxysome (D) Both A and B

Description : Which organelle releases oxygen (A) Mitochondrion (B) Chloroplast (C) Glyoxysome (D) Both A and B

Last Answer : (B) Chloroplast

Robert Brown is well known for his discovery of (A) Chloroplast (B) Photometer (C) Nucleus (D) Nucleolus

Description : Robert Brown is well known for his discovery of (A) Chloroplast (B) Photometer (C) Nucleus (D) Nucleolus

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Which of the following cell part is described as a "fluid mosaic"? (A) Chloroplast (B) Vacuole (C) Cell membrane (D) Endoplasmic reticulum

Description : Which of the following cell part is described as a "fluid mosaic"? (A) Chloroplast (B) Vacuole (C) Cell membrane (D) Endoplasmic reticulum

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The largest organelle in a mature living plant cell is the (A) Chloroplast (B) Nucleus (C) Central vacuole (D) Dictyosomes

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In which organelle following reaction takes place 6 CO2 + 6 H2O + energy (from sunlight) ---------> C6H12O6 + 6 O2 (A) Mitochondrion (B) Peroxisome (C) Chloroplast (D) Glyoxysome

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In a chloroplast the highest number of protons are found in (a) intermembrane space (b) antennae complex (c) stroma (d) lumen of thylakoids.

Description : In a chloroplast the highest number of protons are found in (a) intermembrane space (b) antennae complex (c) stroma (d) lumen of thylakoids.

Last Answer : (d) lumen of thylakoids

Oxysomes or F0 – F1 particles occur on (a) thylakoids (b) mitochondrial surface (c) inner mitochondrial membrane (d) chloroplast surface.

Description : Oxysomes or F0 – F1 particles occur on (a) thylakoids (b) mitochondrial surface (c) inner mitochondrial membrane (d) chloroplast surface.

Last Answer : (c) inner mitochondrial membrane

One of the following is not double membranous structure (A) Mitochondrion (B) Vacuole (C) Chloroplast (D) Nucleus

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Tissues are constructed from many distinct cell types that perform different functions in response to signals from each other and the extracellular matrix. During tissue development and tissue regeneration, stem cells serve as a reservoir of undifferentiated cells that have the capacity to mature into different cell types. What is the name of the process that stem cells undergo when they are required to generate a particular type of cell?

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Last Answer : Asymmetric cell division. After asymmetric division, each of the two resulting daughter cells has a unique life course. For example, one daughter cell may differentiate into a specific cell type ( ... cell), whereas the other daughter cell may remain a stem cell with unlimited proliferative ability.

At the beginning of which phase of mitosis does each duplicated and condensed chromosome consisting of two identical sister chromatids align along the cell equator?

Description : At the beginning of which phase of mitosis does each duplicated and condensed chromosome consisting of two identical sister chromatids align along the cell equator?

Last Answer : Metaphase

The length of each mitochondrion is about (A) 1.0 μm (B) 0.2 μm (C) 10 μm (D) 2.0 μm

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Last Answer : (C) 10 μm

Each chromosome consists of two identical (A) Genes (B) Nuclei (C) Chromatids (D) Bases

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Last Answer : (C) Chromatids

Eukaryotic cells have extensive intracellular membranes, termed the endomembrane system, which divide the cell into structurally and functionally distinct compartments, or organelles. These include the inner cell membrane, nuclear envelope, endoplasmic reticulum, the Golgi apparatus, and lysosomes. Name a cellular component whose membrane is not part of the endomembrane system.

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Last Answer : Mitochondria; also chloroplasts

How the chromosome region where the centromere is located is called ?

Description : How the chromosome region where the centromere is located is called ?

Last Answer : How are chromosomes classified in relation to the position of their centromere? The chromosome region where the centromere is located is called primary constriction. In microscopic view ... constriction the chromosomes are classified as telocentric, acrocentric, submetacentric or metacentric.

How are cells with delimited nucleus called ?

Description : How are cells with delimited nucleus called ?

Last Answer : What are the main elements of the nucleus? Cells with delimited nucleus are called eukaryotic cells. Organisms composed of one or more eukaryotic cells are called eukaryotes. The mains elements of the ... the nucleolus, the karyolymph, or nucleoplasm, and the nuclear membrane (or karyotheca).

The cell that expanded itself to this point is called turgid cell ?

Description : The cell that expanded itself to this point is called turgid cell ?

Last Answer : Cell Membrane Review - Image Diversity: plasmolysed cell flaccid cell turgid cell

How is the fluid that fills the nucleus called ?

Description : How is the fluid that fills the nucleus called ?

Last Answer : The aqueous fluid that fills the nuclear region is called karyolymph, or nucleoplasm. In the fluid there are proteins, enzymes and other important substances for the nuclear metabolism.

Cells must constantly manage metabolic pathways, and this is often done by balancing specific biochemical reactions within a pathway. For example, the metabolic product of one pathway may block the formation of that specific metabolite at an earlier point in the pathway to prevent a buildup of that specific product. What is this process called?

Description : Cells must constantly manage metabolic pathways, and this is often done by balancing specific biochemical reactions within a pathway. For example, the metabolic product of one pathway may block the formation ... the pathway to prevent a buildup of that specific product. What is this process called?

Last Answer : Feedback inhibition

Chromosome with equal arms is called (A) Metacentric (B) Sub-metacentric (C) Acrocentric (D) Telocentric

Description : Chromosome with equal arms is called (A) Metacentric (B) Sub-metacentric (C) Acrocentric (D) Telocentric

Last Answer : (A) Metacentric

Isolation of cellular components to determine their chemical composition is called (A) Cell differentiation (B) Chromatography (C) Cell fractionation (D) All of these

Description : Isolation of cellular components to determine their chemical composition is called (A) Cell differentiation (B) Chromatography (C) Cell fractionation (D) All of these

Last Answer : (C) Cell fractionation

Somatic cells of a human have ____ chromosomes and are called (A) 10, haploid (B) 92, diploid (C) 23, haploid (D) 46, diploid

Description : Somatic cells of a human have ____ chromosomes and are called (A) 10, haploid (B) 92, diploid (C) 23, haploid (D) 46, diploid

Last Answer : (D) 46, diploid

The three-dimensional network of protein filaments within the cytoplasm of eukaryotic cells is called the (A) Endoplasmic reticulum (B) Golgi apparatus (C) Cytoskeleton (D) None of these

Description : The three-dimensional network of protein filaments within the cytoplasm of eukaryotic cells is called the (A) Endoplasmic reticulum (B) Golgi apparatus (C) Cytoskeleton (D) None of these

Last Answer : (C) Cytoskeleton

The intake of solid food by infloding of cell membrane is called (A) Exocytosis (B) Pinocytosis (C) Phagocytosis (D) Both B and C

Description : The intake of solid food by infloding of cell membrane is called (A) Exocytosis (B) Pinocytosis (C) Phagocytosis (D) Both B and C

Last Answer : (C) Phagocytosis

Why can cardiac muscle fibres contract for longer periods than skeletal fibres? (a) Cardiac muscle is self-excitatory (b) Extracellular calcium partially controls the strength (and length) of contraction (c) Cisternae of T-tubules are more developed in cardiac muscle (d) Cardiac muscle is uninucleate rather than multinucleate

Description : Why can cardiac muscle fibres contract for longer periods than skeletal fibres? (a) Cardiac muscle is self-excitatory (b) Extracellular calcium partially controls the strength (and length) ... tubules are more developed in cardiac muscle (d) Cardiac muscle is uninucleate rather than multinucleate

Last Answer : Ans:(a)

Can two normal individuals of the same species with sexual reproduction have identical genomes and identical karyotypes ? How the human karyotype is usually represented?

Description : Can two normal individuals of the same species with sexual reproduction have identical genomes and identical karyotypes ? How the human karyotype is usually represented?

Last Answer : Except for clones (individuals created from nucleus transplantation, like the Dolly sheep) and monozygotic twins, it is very improbable the genomes of two individuals of the same species and generated by sexual ... normal karyotype is represented by the formula 44+XX for women and 44+XY for men.

What is the difference between the concepts of karyotype and genome ?

Description : What is the difference between the concepts of karyotype and genome ?

Last Answer : Genome is the set of DNA molecules that characterizes each living being or each species. The concept then includes the specific nucleotide sequence of the DNA molecules of each individual or species. ... of each chromosome or pair of homologous. Cell Nucleus Review - Image Diversity: karyotype

What are homologous chromosomes ?

Description : What are homologous chromosomes ?

Last Answer : Which are the human cells that do not have homologous chromosomes? Chromosomes contain genes (genetic information in the form of nucleotide sequences) that command the protein synthesis thus ... chromosomes are the gametes since during meiosis the homologous chromosomes are separated.

What are the primary and the secondary constrictions of a chromosome ?

Description : What are the primary and the secondary constrictions of a chromosome ?

Last Answer : What is the other name given to the secondary constriction? Primary constriction is the narrower region of a condensed chromosome where the centromere, the structure that unites identical chromatids, is located. ... can be one or more in chromosome) is called nucleolus organizer region (NOR).

What is the structure that maintains identical chromatids bound ?

Description : What is the structure that maintains identical chromatids bound ?

Last Answer : The structure that maintains identical chromatids bound is the centromere. Cell Nucleus Review - Image Diversity: centromere

How are the concepts of chromosome ?

Description : How are the concepts of chromosome ?

Last Answer : chromatin and chromatids related? In which phase of the cell cycle does DNA duplicate? Chromatin is a set of filamentous DNA molecules dispersed in the karyoplasm forming euchromatin and heterochromatin ... chromosomes (and not only one). Cell Nucleus Review - Image Diversity: chromatids

In the phase when the cell is not dividing ?

Description : In the phase when the cell is not dividing ?

Last Answer : interphase) is there activity within the cell nucleus? In the interphase there is intense metabolic activity in the cell nucleus: DNA is duplicating, euchromatin is being transcript and RNA is produced.

What is the relation between the concepts of chromatin and chromosome ?

Description : What is the relation between the concepts of chromatin and chromosome ?

Last Answer : Are euchromatin and heterochromatin part of chromosomes? Every filament of chromatin is a complete DNA molecule (a complete double helix), i.e., a complete chromosome. A DNA molecule may form ... thus both are part of chromosomes. Cell Nucleus Review - Image Diversity: chromosome structure

What are heterochromatin and euchromatin ?

Description : What are heterochromatin and euchromatin ?

Last Answer : Chromatin is uncondensed nuclear DNA, the typical DNA morphology in interphase (the phase of the cell cycle in which the cells is not dividing itself). In this phase of the cell cycle ... inactive portions of the DNA molecule. Cell Nucleus Review - Image Diversity: heterochromatin euchromatin

Do all eukaryotic cells have nucleus and only one nucleus ?

Description : Do all eukaryotic cells have nucleus and only one nucleus ?

Last Answer : There are eukaryotic cells without nucleus and others with more than one nucleus. Osteoclasts, the cells responsible for resorption of the osseous matrix, for example, are multinucleate cells; ... cells. Cell Nucleus Review - Image Diversity: cell nucleus miltinucleate cells enucleated cells