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VLD [36.1K]
3 years ago
9

How might marine scientists combat eutrophication?

Biology
1 answer:
Kay [80]3 years ago
5 0

Eutrophication is the overgrowth of algae in lakes and ponds

that is usually caused by the introduction of different chemicals

into the water from fertilizer run-off. Some ways to combat this

are to increase the flow of moving water, prevent contamination

from fertilizer, and reduce pollution of our lakes and streams.

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If a cell contains 50% water and the solution surrounding the cell contains 50% water, then water
solmaris [256]
It would stay the same because they equal levels of water. So ig the answers would be Move and out of the cell equally.
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3 years ago
An action potential involves potassium ions moving ________ the cell and sodium ions moving ________ the cell.
Alecsey [184]

An action potential involves potassium ions moving <u>outside </u>the cell and sodium ions moving <u>inside </u>the cell.

<h3>how does it action potential work?</h3>

Neurons have a negative concentration gradient most of the time, meaning there are more positively charged ions outside than inside the cell. This regular state of a negative concentration gradient is called resting membrane potential. During the resting membrane potential there are:

  • more sodium ions (Na^+ ) outside than inside the neuron
  • more potassium ions (K^+ ) inside than outside the neuron

The concentration of ions isn’t static though! Ions are flowing in and out of the neuron constantly as the ions try to equalize their concentrations. The cell however maintains a fairly consistent negative concentration gradient (between -40 to -90 millivolts). How?

  • The neuron cell membrane is super permeable to potassium ions, and so lots of potassium leaks out of the neuron through potassium leakage channels (holes in the cell wall).
  • The neuron cell membrane is partially permeable to sodium ions, so sodium atoms slowly leak into the neuron through sodium leakage channels.
  • The cell wants to maintain a negative resting membrane potential, so it has a pump that pumps potassium back into the cell and pumps sodium out of the cell at the same time.

Learn more about action potential

brainly.com/question/6705448

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5 0
1 year ago
What is the basis of the metric measurement system
solmaris [256]

The metric system is an alternative system of measurement used in most countries, as well as in the United States. The metric system is based on joining one of a series of prefixes, including kilo-, hecto-, deka-, deci-, centi-, and milli-, with a base unit of measurement, such as meter, liter, or gram. (got the answer from google hehe)

3 0
3 years ago
Read 2 more answers
Que es la evolucion quimica?
Leto [7]

Answer:

Chemical evolution is the formation of complex organic molecules from simpler inorganic molecules through chemical reactions in the oceans during the early history of the Earth.

It the first step in the development of life on this planet

HOPE IT HELPS!!!!

8 0
3 years ago
Which immune component is deficient in a child who has a congenital immunodeficiency that impairs b lymphocyte function?
Artist 52 [7]

Neutrophils component is deficient in a child who has a congenital immunodeficiency that impairs <u>B lymphocyte</u> function.

Neutrophils- A specific kind of white blood cell that aids in the body's defense against infection and is crucial to the immune system. White blood cells are one of the initial immune cells to react when bacteria or viruses enter the body.

B Lymphocytes- By generating antibodies, B cells are essential for pathogen-specific immunity. Immunoglobulins attached to the surface of B lymphocytes allow them to identify soluble antigens, causing them to develop into plasma cells, which can secrete immunoglobulins and produce antibodies. Primary lymphoid tissues include lymphocytes.

To know more about the Neutrophils, click on the below link,

brainly.com/question/27960149

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3 0
1 year ago
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