1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
FrozenT [24]
3 years ago
8

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, 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, chloroplasts and mitochondria. chloroplasts and peroxisomes. mitochondria and chloroplasts. mitochondria and peroxisomes. peroxisomes and chloroplasts.
Biology
1 answer:
Anna71 [15]3 years ago
8 0

Answer:

chloroplasts and mitochondria.

Explanation:

Chloroplasts and mitochondria are the organelles capable of ATP production by photophosphorylation and oxidative phosphorylation respectively. Chloroplasts are the site for photosynthesis. The light reactions of photosynthesis include splitting of the water molecule in presence of sunlight and transfer of electrons from PS-II to PS-I via electron carrier. During electron transport, a proton gradient is created which in turn drives ATP synthesis.  

Mitochondria are the site for aerobic stages of cellular respiration. Glycolysis and Kreb's cycle, the first and second stages of cellular respiration produce NADH and FADH2 during the redox reactions. These reducing powers are oxidized by giving their electrons to the terminal electron acceptor, the oxygen molecule.

Electrons from the reducing powers are carried to oxygen molecules via a series of electron carrier proteins embedded in the inner mitochondrial membrane. During electron transport, an electrochemical gradient is created which in turn drives the ATP synthesis.

You might be interested in
What would be an example of a density independent factor that affects a population?
VashaNatasha [74]
Disease is the answer
3 0
3 years ago
What is the difference between septate and nonseptate hyphae​
Arturiano [62]

Septate hyphae have cell walls to septate the cells while non-septate hyphae do not.. ... Rhizoid hyphae, stolon, sporophore, and haustorium. Rhizoid hyphae support the fungus and digest the food.

5 0
3 years ago
The two main components of plant fertilizers which affect algal growth when they are delivered to aquatic systems via runoff are
sertanlavr [38]
<span>Nitrogen and phosphorous are the most prevalent aquatic pollution and contribute heavily to the excessive growth of algae in aquatic environments called algae blooms. The nitrogen from the fertilizers is found in molecules called nitrates which are compounds of both oxygen and nitrogen. Phosphorous helps algae to absorb carbon dioxide. So when the phosphorous levels are high the algae absorbs more carbon dioxide, which allows for faster photosynthesis and faster glucose production which leads to faster growth. Although algae need both nitrogen and phosphorous to grow, when the levels are too high the algae grows faster than the ecosystem can sustain leading to oxygen deprivation for the other aquatic organisms.</span>
6 0
2 years ago
Intracranial tumors that originate directly in brain tissue are called primary intracranial tumors. True False
nika2105 [10]
This statement is true
3 0
2 years ago
Read 2 more answers
History: When did stem cell research become known? Who discovered stem cells? What experiments or studies have been conducted so
avanturin [10]

Answer:

The stem cells was discovered by Ernest McCulloch and James Till in 1981. Studies conducted for stem cells can be used for bone marrow transplantation and to treat various diseases.

Explanation:

Stem cell are the cells that has the ability to differentiate into different cells of the body. In 1978 human cord blood discovered as stem cell. The stem cell research come to known in 1981.

Ernest McCulloch and James Till discovered the stem cell research while working on the mice bone marrow. He found that the different blood cells were formed by the single class of cells.

Experiments on mice and other animals have been conducted to study the stem cells so far. The study of stem cell is useful to cure the genetic defects, Cancer and other harmful diseases.

3 0
3 years ago
Read 2 more answers
Other questions:
  • A Tomato Has A Proton Concentration Of 0.00006 M. How Would You Calculate The PH?
    8·1 answer
  • Please help will give brainliest asap
    5·2 answers
  • In which structure does extracellular chemical digestion of protein begin?
    12·1 answer
  • Which term describes the way an organism responds to stimuli?
    6·2 answers
  • Alternation of generations means that plants produce:
    8·1 answer
  • Is it good to use laxitives to lose weight?
    15·2 answers
  • During chemical digestion, large food molecules are broken down to smaller food molecules by the process of
    12·1 answer
  • 1. Typically large organisms
    12·1 answer
  • ASAP HELP 100 POINTS Which describes nuclear fission?
    10·2 answers
  • Though narcotics can effectively manage pain or reduce anxiety, they...
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!