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Temka [501]
3 years ago
10

Dr. alvarez studies how the degeneration of certain components of nerve cells in the brain might contribute to the development o

f multiple sclerosis. dr. alvarez's work best exemplifies the _____ subfield of psychology.
Biology
1 answer:
Y_Kistochka [10]3 years ago
5 0
Dr. Alvarez is doing research on the subfield of psychology called the behavioral neuroscience. Scientists from the field study the biological foundation of human behavioral characteristics. These scientists are trying to find out what physiological processes and anatomical structures are involved in certain aspects of human behavior.
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Please help me fast and show all your work please thx ​
jenyasd209 [6]

Answer:

1.) A word used to describe the amount of water vapor that is in the air.

2.) The humidity's number percentage.

3.) A meteorologist studies atmosphere...Their primary focus is on the atmosphere's humidity.

8 0
3 years ago
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How far is the sun?<br> ölmfnf
Vesnalui [34]

Answer:

147.5 million km

Explanation:

The Sun is at an average distance of about 93,000,000 miles (150 million kilometers) away from Earth. It is so far away that light from the Sun, traveling at a speed of 186,000 miles (300,000 kilometers) per second, takes about 8 minutes to reach us.

4 0
3 years ago
What is the role of ATP synthase in photosynthesis?
german

The role of ATP synthase in photosynthesis is to transports a proton down the gradient and uses the energy to complete the phosphorylation of ADP to ATP.

Further Explanation:

Photosynthesis starts with the absorption of light or solar energy by the plant pigments called chlorophyll. The activated chlorophyll molecule helps in the electron transfer from one acceptor to another forming a chain.

The first phase of photosynthesis the light-dependent reaction in which the absorbed light is utilized to produce molecules carrying energy that is used in the second phase to form carbohydrates by reducing carbon dioxide. The first phase occurs in the grana region of the chloroplast and involves the transport of electrons through photosystem II (PS II) followed by photosystem I (PS I). The energy gained by the chlorophyll molecule is transferred to PS II in the form of electrons. These electrons are passed on further through a series of electron transporter or carrier from PS II to PS I. In photosystem I, finally, the electron is gained by NADP+ to form NADPH.

The ATP synthesis is produced by the use of proton motive force this reaction is catalyzed by ATP synthase. This a multiprotein synthase is also well-known as F0 F1 complex .The ATP molecule is synthesized when proton flow back from the inner membrane down the electrochemical proton gradient . ATP synthase has two components F1 ATPase and F0 which is embedded in the inner membrane and contain alpha, beta and C unit.

As the electrons travel along the electron transport chain, energy is released which helps in the pumping of protons (ions) into the lumen from the stroma through the thylakoid membrane. A proton gradient is developed which allows the movement of protons back to the stroma which in turn results in the formation of ATP through membrane-bound ATP synthase

The second phase of the photosynthesis is the dark reaction or the light-independent reaction happens in the stroma and utilizes the products formed during the light-dependent phase.

Learn more:

  1. Learn more about cell organelle <u>brainly.com/question/5923583 </u>
  2. Learn more about the diffusion <u>brainly.com/question/1386629</u>
  3. Learn more about the plant <u>brainly.com/question/862697 </u>

<u> </u>

Answer Details:

Grade: High School

Subject: Biology

Chapter: Plant Cell

Keywords:

ATP synthase, light dependent reaction, thylakoid, stroma, grana, membrane, photosynthesis, alpha , beta, proton motive force.

5 0
3 years ago
Read 2 more answers
In order to overlook someone's faults, it takes:
Katyanochek1 [597]
2-an understanding that you are not perfect
3 0
3 years ago
Read 2 more answers
Tetrodotoxin, also known as "zombie powder" is synthesized by the puffer fish as a defense mechanism. Tetrodotoxin's mechanism o
torisob [31]

Answer:

True

Explanation:

Tetrodotoxin is the molecules that act as a poison to the organism in which they are injected.

The tetrodotoxin proves lethal to the organisms as it kills the organism by interfering with the nervous system. The tetrodotoxin blocks the sodium channels in the neuron as a result of which the sodium is unable to enter the neurons and hence the electrical impulse is not generated.

If the tetrodotoxin blocks the motor neuron transmission by blocking the sodium channels then the signals will not reach the muscle and muscle will not be able to contract.

Thus, true is correct.

6 0
3 years ago
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