High college Biology help » cabinet Biology » cell Structures and also Organelles » usual Cell structures » knowledge Mitochondria and Chloroplasts
Explanation:

The mitochondria space the website for aerobic respiration in the cell. Both the Krebs cycle and electron deliver chain are found in the mitochondria, while glycolysis (anaerobic metabolism) takes place in the cytoplasm. The Krebs bike takes place in the mitochondrial matrix, wherein pyruvate is supplied to generate NADH and also FADH2. These molecules room then required to the within mitochondrial membrane, wherein the electron transport chain is located. The electron move chain pushes protons right into the intermembrane space, producing the proton gradient the fuels ATP synthesis.

You are watching: Which is not true about chloroplasts and mitochondria?


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Example question #2 : understanding Mitochondria and also Chloroplasts


What organelle is linked with photosynthesis in algae?


Possible Answers:

Mitochondria


Guard cells


Chloroplasts


Plasmids


Correct answer:

Chloroplasts


Explanation:

Chloroplasts room an organelle the harbors huge amounts of the eco-friendly pigment chlorophyll. The chloroplast counter the energy of sunlight into chemical power through a process called photosynthesis. This takes place inside a mechanism of membranous sacs dubbed thylakoids in ~ the chloroplast.

Plants, algae, and also cyanobacteria all develop energy via photosynthesis. Plants and algae usage chloroplasts, yet cyanobacteria room prokaryotes and do not contain membrane-bound organelles. Cyanobacteria use inner thylakoid frameworks to perform photosynthesis.

Plasmids room circular pieces of DNA found in prokaryotes, and also are not linked to photosynthesis. Safety cells space responsible because that opening and also closing stomata on the surface of tree leaves, and also are additionally not affiliated in photosynthesis.


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Example question #3 : understanding Mitochondria and Chloroplasts


A researcher analyzes the results of a particular disease that influence the eye. He observes the the gene responsible because that this condition are situated on the mitochondria. What have the right to the researcher conclude around this disease?


Possible Answers:

It is paternally inherited and the an illness causing genes are located on a double-stranded DNA


It is paternally inherited and the an illness causing genes are situated on a double-stranded RNA


It is maternally inherited and also the disease causing genes are situated on a double-stranded DNA


It is maternally inherited and the condition causing genes are located on a double-stranded RNA


Correct answer:

It is maternally inherited and also the disease causing genes are located on a double-stranded DNA


Explanation:

Mitochondria are distinct organelles due to the fact that they contain their very own double-stranded DNA. The gene on these DNA molecule are always transmitted come the offspring from the mother. Throughout development, the mitochondrial DNA from the sperm (the gamete native father) is damaged in the embryo. Since all gene in the mitochondria are only inherited from the mother, we deserve to conclude that this condition is maternally inherited. We additionally know the the genes must be uncovered on double-stranded DNA. There are very little amounts of double-stranded RNA molecules inside mitochondria, but they don’t password for any kind of known diseases.


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Example concern #4 : knowledge Mitochondria and also Chloroplasts


Which the the adhering to is true regarding mitochondria?


Possible Answers:

The mitochondrial matrix is the an are between the inner and the external membrane that the organelle


Mitochondria have their very own ribosomes that are distinctive from the typical eukaryotic ribosomes


Glycolysis, the Krebs cycle, and oxidative phosphorylation happen in mitochondria


It is thought that mitochondria developed from a parasitic relationship with eukaryotic bio cells


Correct answer:

Mitochondria have actually their very own ribosomes that are distinct from the common eukaryotic ribosomes


Explanation:

Mitochondria room the website of Krebs cycle and also oxidative phosphorylation; however, they are not the website of glycolysis. Glycolysis wake up in the cytosol. Mitochondria have two membranes: the inner and also the external membrane. The room between these 2 membranes is termed the intermembrane space. The mitochondrial matrix is inside the inner membrane and also is the site of Krebs cycle. Scientists theorize the mitochondria and chloroplasts (from plants) were originally prokaryotic organisms that joined with another cell to kind a symbiotic relationship, not a helminth relationship. This concept is called the endosymbiotic theory and also it describes the factors why mitochondria save DNA.

Mitochondria do have their own ribosomes, which develop unique mitochondrial proteins. Remember, however, the the mitochondria still use the common proteins created by the ribosomes in the turbulent endoplasmic reticulum and cytosol.


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Example question #5 : understanding Mitochondria and also Chloroplasts


Which that the complying with is no true regarding mitochondria and also chloroplasts?


Possible Answers:

Chloroplasts contain numerous pigment molecules that absorb sunlight, if mitochondria carry out not absorb sunlight


Chloroplasts space only discovered in photosynthetic cells, vice versa, mitochondria are found in animal and also plant cells


The inner membrane the mitochondria forms cristae and also the within membrane that chloroplasts kind thylakoids


Only mitochondria are thought come have emerged via endosymbiosis


Correct answer:

Only mitochondria space thought to have occurred via endosymbiosis


Explanation:

Mitochondria and also chloroplasts are plastids, and are believed to have developed in eukaryotic cells via endosymbiosis. All the other choices are true of mitochondria and also chloroplasts.


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Example question #6 : expertise Mitochondria and also Chloroplasts


Which that the adhering to organelles is commonly referred to together the powerhouse that the cell?


Possible Answers:

Golgi apparatus


Rough endoplasmic reticulum


Nucleus


Lysosome


Mitochondria


Correct answer:

Mitochondria


Explanation:

The mitochondria room responsible because that synthesis the the majority of the cell"s ATP. This is why mitochondria are commonly referred to together the powerhouse of the cell. The rough endoplasmic reticulum and Golgi apparatus are associated in protein synthesis and delivery. The nucleus residences the DNA and is the site of transcription and also ribosome assembly (nucleolus). The lysosome includes hydrolytic enzymes that are offered for destruction of particular materials.


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Example question #7 : expertise Mitochondria and also Chloroplasts


All the the following are true of chloroplasts except __________.


Possible Answers:

they are found in animal cells


they are found in tree cells


They contain tiny pigments dubbed chlorophylls


The chemical energy that they develop is supplied to do sugars


Correct answer:

they are uncovered in animal cells


Explanation:

Chloroplasts space the organelles found in tree cells the contain chlorophyll colors which conduct photosynthesis in plants , part bacteria, and some protists. They kind glucose molecules, which can be associated to kind polysaccharides that starch. Pet cells execute not have actually chloroplasts. Rather, animals need come eat your food, castle cannot create their very own food indigenous the sun.


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Example question #8 : expertise Mitochondria and also Chloroplasts


Which organelle"s main role is the counter of the potential power of food molecules into ATP?


Possible Answers:

Smooth absorbent reticulum (ER)


Ribosomes


Rough absorbent reticulum (ER)


Mitochondria


Correct answer:

Mitochondria


Explanation:

Mitochondria is the organelle connected in ATP production. Special, the Krebs cycle and electron transport chain occurs in the mitochondria. Smooth ER synthesizes lipids and also detoxifies harmful substances. Turbulent ER and also ribosomes are connected in protein synthesis.


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Example inquiry #9 : understanding Mitochondria and Chloroplasts


Which that the following organelles contain their “own” DNA?


Possible Answers:

Nuclei


All of these


Mitochondria


Chloroplasts


Correct answer:

All the these


Explanation:

All that the noted organelles contain DNA. Scientists have actually identified nuclear DNA, mitochondrial DNA and chloroplast DNA that room exclusive to this cellular structures.

See more: Explain Why The Demand For Insulin Is Inelastic ? Elasticity Definition


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Example concern #10 : understanding Mitochondria and also Chloroplasts


How is mitochondrial DNA (mDNA) various from nuclear DNA?


Possible Answers:

mDNA go not have introns 


mDNA is inherited solely from the mother


mDNA is circular rather than linear


All of this answers


mDNA go not have actually histones 


Correct answer:

All of these answers


Explanation:

Mitochondrial DNA is lot smaller and also simpler 보다 nuclear DNA, an interpretation it does not need histones or introns. Mitochondrial DNA is also circular, choose bacterial DNA, quite than straight like nuclear DNA. As the ovum is the just contributor that mitochondria come an offspring, every mDNA must as such be inherited from the mother. 


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