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Alexxandr [17]
3 years ago
6

The drug 2,4-dinitrophenol (DNP) destroys the proton gradient across the inner mitochondrial membrane. What would be the effect

of incubating isolated mitochondria in a solution of DNP
Biology
1 answer:
Firlakuza [10]3 years ago
5 0

Answer:

This question lacks options, options are:A) Oxygen would no longer be reduced to water. B) No ATP would be made during transport of electrons down the respiratory chain. C) Mitochondria would show a burst of increased ATP synthesis. D) Glycolysis would stop. E) Mitochondria would switch from glycolysis to fermentation.The correct answer is B)

Explanation:

The main mechanism of ATP production takes place in our mitochondria, which are cellular organelles, and this occurs when molecules of coenzymes or reduced prosthetic groups, coming from the process of catabolism of nutrients, are oxidized with molecular oxygen (which becomes in water), leading to the production of ATP. DNP works by increasing heat production in cells through a process known as decoupling. Dinitrophenol is an ionphoric compound that cuts mitochondrial ATP production circuits. This cessation of ATP production through the mitochondria leads to an increase in metabolic rate (as the substrate is used at a higher rate so that cytosolic ATP can sustain life) and subsequent weight loss.

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A fertilizer company is trying to find a new herbal pesticide to add to its product. Company managers know that peppermint oil o
wlad13 [49]

Answer:

Peppermint oil and morning, peppermint oil and night, lavender oil and morning, lavender oil and night

Step-by-step explanation:

Fertilisers are substances, which could be organic or inorganic, that is added to soil to increase crop yield.

Pesticide can be defined as substances that are used to control pests in an environment. Example of a pesticide includes:

- fungicides,

- herbicides( these are used to kill unwanted plants) and

- insecticides.

From the existing knowledge that the time of day the fertilizer is applied, morning and night affects the pesticide, and the Company managers know that peppermint oil or lavender oil will be used.

The insects should be subjected to the following treatments to effectively compare all combinations of these choices listed above:

- Peppermint oil and morning,

- peppermint oil and night,

- lavender oil and morning,

- lavender oil and night

8 0
3 years ago
Animals making the territory with e
Sholpan [36]

Answer:

Animals making the territory with example Lion, Tiger, hyena among others

Explanation:

Animals marks their territory through secretion of pheromones, some makes sound, it is a form of behavioral act that allows to protect ones territory or boundary

5 0
3 years ago
What is the usual source of insulin.​
Arturiano [62]

Answer:

regulates the metabolism

Explanation:

6 0
2 years ago
Select all items that describe the Amish culture. a. speak Creole or Spanish b. wear simple clothing c. embrace technology d. li
ad-work [718]

Answer:

Simple clothing, living in farming communities and using horse- driven vehicles best describes Amish culture.

Explanation:

The simple clothing concept of Amish culture shows their modesty. The women wear long and simple dresses that goes all the way down to their knees and they also cover their hair. They believe wearing simple dress is a way of keeping their hearts pure.

Amish people use buggy or horse driven vehicles and not cars because they believe that the innovation in technology has the potential to bring assimilation into the surrounding society.

They mostly live in farming communities which are located in Indiana, Pennsylvania, Ohio, Central American and even in Canada.

7 0
2 years ago
Mitosis is a process used for normal growth and development. Explain how and why a mutation in a BRCA gene may affect the cell c
Romashka [77]

Answer:

The BRCA gene is a tumor-suppressor gene found in the breast; to be more specific, it produces proteins that suppress cancerous activities/abnormal growth in the body. A mutation in a BRCA gene would allow these abnormal growth activities to go unchecked and thus increase the rate of mitosis. Cell cycle checkpoints would significantly be worse at their jobs of checking and correcting for errors during the cell cycle. Tumors would result as well, as cancerous growth continues, and the tumor can become metastatic.

7 0
3 years ago
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