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Hoochie [10]
3 years ago
8

What is a situation where your sympathetic nervous system would be active? Give me an example from real life.

Biology
1 answer:
romanna [79]3 years ago
7 0

Answer:

A situation where your sympathetic nervous system would be active would be  when you are running because your heart rate would increase.

Explanation:

Your sympathetic nervous system is in control of your heart rate, blood pressure, and blood vessels, so if you are running, your heart rate is speeding up, caused my this specific part of the nervous system.

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Human genetic material is represented in the diagram<br> below.
Mrrafil [7]

Answer:

diagram is weird and unrealistic but B is the only reasonable answer.

Explanation:

B only makes sense - everything else is unreasonable. Proteins don't become enzymes since enzymes are already proteins, there are no proteins, carbohydrates, or glucose molecules in the image.

3 0
2 years ago
Put these steps in the order in which they occur in light-dependent reactions. Electrons are transferred from photosystem II to
Tamiku [17]

Explanation:

  1. Light energy is absorbed and transferred to the reaction center.
  2. A water molecule is split.
  3. Electrons are transferred from photosystem II to photosystem I.
  4. ATP is synthesized from ADP and inorganic phosphate.

Further Explanation:

Photosynthesis is a chemical pathway that’s integral to producing energy in plants and other primary producers. Energy in the form of molecules of glucose is produced from light, water and carbon dioxide while oxygen is released. This occurs in several complex steps, photosynthesis is a rate limited reaction, depends on several factors including carbon dioxide concentration, ambient temperature and light intensity; the energy is retrieved from photons, I.e. particles of light, and water is used as a reducing agent. This occurs in the thykaloids, where pigment molecules like chlorophyll reside.

The chloroplast is a membrane bound organelle found in plants. It contains several invaginations of  a plasma membrane called the thylakoid membrane. This contains chlorophyll pigments, in stacks called granum, while the internal spaces of the organelle are called the lumen. Liquid surrounds the granum, forming the stroma.

During the light reaction:

  • Light is absorbed by pigments in phosystem II (PSII). This energy is transferred among pigments til it gets to the reaction center, and is transferred to P680; this promotes an electron to a higher energy level where it then goes to an acceptor molecule.
  • Water supplies the chlorophyll in plant cell with replacement electrons for the ones removed from photosystem II. Additionally, water (H2O) split by light during photolysis into H+ and OH- acts as a source of oxygen along with functioning as a reducing agent.
  • the electron moves down an electron transport chain (ti PS I)where it experiences continuous energy loss. This energy fuels the pumping of H+ from the stroma to thykaloid, leading to the formation of a gradient. The H+ move along their gradient and cross through ATP synthase, into the the stroma.
  • ATP synthase converts ADP and Pi to the energy storage molecule  ATP.
  • The electron gets to photosystem I where it  goes to pigments at P700. It absorbs light energy, the electron is promoted to a higher energy level, and passed to an electron acceptor. This leaves a space for another electron which is then replaced by one from photosystem II.
  • in the ETC,  the molecule NADP is reduced to NADPH by providing H+ ions. NADP and NADPH are integral to the Calvin cycle where monosaccharides or sugars like glucose are produced after the modification of several molecules.

Learn more about Photosynthesis at brainly.com/question/4216541

Learn more about cellular life at brainly.com/question/11259903

#LearnWithBrainly

5 0
3 years ago
Which of the following actions would be most likely to increase the protection of ecological systems in national forests?
insens350 [35]

Answer:

The correct answer is - option 3.

Explanation:

The given options are the question are affects the protection of the ecological system in one or another manner but the mandating the rights of government sale of the logging rights in a national forest must be a proper and fair market value.

This will lead to a decrease in the illegal sale of logging sale which results in maintaining the ecological system in the national forest.

Thus, the correct answer is - option 3.

4 0
3 years ago
Why are fewer women hemophilic than men?
damaskus [11]
They must have a father with hemophilia and at least a carrier mother.
4 0
3 years ago
True / False Trees are known as nonrenewable resources found on Earth.
Gelneren [198K]
True trees can be planted grown up harvested for timber
8 0
3 years ago
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