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MrMuchimi
2 years ago
9

Light reactions removes electrons from what?

Biology
1 answer:
n200080 [17]2 years ago
8 0

The light-dependent reactions use light energy to make two molecules needed for the next stage of photosynthesis: the energy storage molecule ATP and the reduced electron carrier NADPH. In plants, the light reactions take place in the thylakoid membranes of organelles called chloroplasts.

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Jon likes hiking. He observes that whenever he hikes up a hill he breathes heavier than when he is on flat ground. Which 2 state
Alekssandra [29.7K]

Answer:

-Sensors in the brain detect a lack of oxygen.

-The muscles in his body need more energy and therefore more oxygen.

Explanation:

-Sensors in the brain detect a lack of oxygen.

-The muscles in his body need more energy and therefore more oxygen.

-The body has too little carbon dioxide to maintain function.

-The body is using carbon dioxide instead of oxygen to make energy.

-Blood pressure has decreased, so less blood is being pumped to the muscles.

<em>The correct answer would be that </em><em>sensors in the brain detect a lack of oxygen</em><em> and t</em><em>he muscles in the body of Jon need more energy and therefore, more oxygen.</em>

At sea level, the atmospheric pressure easily allow oxygen to permeate the cells of the lung and diffuse into the blood. At high altitudes, air pressure is generally lower and permeation/diffusion through the cells of the lung into the blood becomes difficult.

<u>Without adequate oxygen, the body cannot generate energy needed for physical activities of muscles. Consequently, the sensors in the brain detect a lack of oxygen and the body system reacts by breathing heavily to compensate for the oxygen shortage.</u>

6 0
3 years ago
1. Which type of compound is found in every DNA molecule?
Anit [1.1K]

Answer:

nucleotides

Explanation:

7 0
2 years ago
Read 2 more answers
Two scientists wrote a paper detailing their research and conclusions and submitted it to a scientific journal. Several months l
Annette [7]
I think b is the answer 

hope this helps

5 0
2 years ago
9) How long was the Northeastern, United States blanketed by the ice sheet?
I am Lyosha [343]

Answer:

between c. 95,000 and c. 20,000 years

Explanation:

3 0
3 years ago
How is a viral antigen, like EBV, recognized by T cells? A. An antigen fragment is presented within class I MHC to the T cell re
aniked [119]

Viral antigens like EBV are usually recognized by T cells involving an antigen fragment present within class I MHC to the T cell receptor.

Ebstein Barr Virus

The Epstein-Barr virus is a human herpes virus with unusual biological characteristics.

  • It lives in practically every human person in a dormant condition in resting memory B lymphocytes
  • It is also a strong transforming virus in vitro for B cells and is linked to numerous significant lymphomas, including Burkitt's, Hodgkin's disease, and immunoblastic lymphoma.

With the exception of the memory compartment, each stage of the cycle has been shown to be possibly controlled by the immune response.

Epstein-Barr virus (EBV), commonly known as human herpes virus 4, is a double-stranded DNA herpes virus that is extensively spread. It is the cause of infectious mononucleosis.

  • EBV is most usually transmitted by body fluids, particularly saliva. EBV, on the other hand, can transmit by blood and sperm during sexual intercourse, blood transfusions, and organ transplants.

EBV can be transferred by utilizing materials that have recently been used by an infected individual, such as a toothbrush or a drinking glass.

  • The virus is likely to survive on an object for at least as long as it is wet.
  • When you initially get infected with EBV (primary EBV infection), you might spread the virus for weeks or even months before you notice any symptoms.
  • Once the virus has entered your body, it remains dormant.

Hence, the correct answer is option A

Learn more about EBV here,

brainly.com/question/12926983

# SPJ4

8 0
1 year ago
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