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defon
3 years ago
14

A biologist ground up some plant leaf cells and then centrifuged the mixture to fractionate the organelles. Organelles in one of

the heavier fractions could produce ATP in the light, whereas organelles in the lighter fraction could produce ATP in the dark. The heavier and lighter fractions are most likely to contain, respectively, ________.
Biology
1 answer:
adell [148]3 years ago
8 0

Answer:

The correct answer is "chloroplasts and mitochondria".

Explanation:

Chloroplasts and mitochondria are two essential organelles because of its function of producing Adenosine triphosphate (ATP), the "molecular unit of currency". Chloroplasts are organelles that are found in plants and work in light conditions, whereas mitochondria could produce ATP in the dark. Since the biologist found that the heavier fraction could produce ATP in light it is very likely that it will have chloroplasts, while the light fraction that produces ATP in the dark would likely have mitochondria.

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Both a shot of whiskey and a bite of chocolate can produce what feel good chemical in the brain?.
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Both a shot of whiskey and a bite of chocolate can produce Dopamine feel good chemical in the brain.

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Dopamine is accountable for permitting you to sense pleasure and motivation. When you sense precise which, you have accomplished something, it is due to the fact you've got a surge of dopamine withinside the brain.

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3 0
1 year ago
What is the name of the lymphatic vessels located in the small intestines?
Jet001 [13]
Lacfeals is the answer
4 0
3 years ago
Which of the following statements about energy is TRUE? Question 17 options: It can be used over and over again. It tends to be
Law Incorporation [45]
<h2>Energy </h2>

Explanation:

Energy flows in only one direction through an ecosystem

  • The Sun supports most of Earth's ecosystems
  • Plants create chemical energy from abiotic factors that include solar energy and chemosynthesizing bacteria create usable chemical energy from unusable chemical energy
  • The food energy created by producers is passed to consumers, scavengers, and decomposers
  • Energy flows through an ecosystem in only one direction, it is passed from organisms at one trophic level or energy level to organisms in the next trophic level
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  • Animals at the third level have only 10% as much available to them as those at the second level
6 0
3 years ago
Although nitrogen gas makes up 78% of the atmosphere, we can't use it because _____.
aev [14]
Although nitrogen gas makes up 78% of the atmosphere, we can't use it because nitrogen atoms must be broken apart first before. This nitrogen is very much packed and bonded with its atoms and would be useless to use since it can't be used for plants. 


4 0
3 years ago
Read 2 more answers
An organism is discovered that thrives in both the presence and absence of oxygen in the air. Curiously, the consumption of suga
sammy [17]

Answer:

The correct answer is D. is a facultative anaerobe

Explanation:

A facultative anaerobe is the organisms that can live in the absence of oxygen but prefer to utilize the oxygen when oxygen is present in the environment.  

An anaerobic organism requires more amount of energy sources like carbohydrates because they use the fermentation process to make energy and this process results in the formation of less energy than aerobic respiration.  

All the bacteria of family Enterobacteriaceae that live in the intestine are facultative anaerobes. Therefore facultative anaerobe can thrive in both the presence and absence of oxygen so the correct answer is D. is a facultative anaerobe.

3 0
3 years ago
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