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3 years ago

Normal homeostatic conditions require potassium concentrations to be about 1000 times higher inside the cell than in the blood.

Biology

2 answers:

Kobotan [32]3 years ago

8 0

Active transport by proteins.

sleet_krkn [62]3 years ago

7 0

Answer:

The correct answer would be active transport by proteins.

When a molecule is transported against the concentration gradient it requires cellular energy and the process is termed as active transport.

The energy is either provided by the hydrolysis of the ATP (adenosine triphosphate) in primary active transport or by the electrochemical gradient in secondary active transport

Active transport takes place with the help of integral membrane proteins or transport proteins which form carriers or channels across the membrane.

Examples may include a sodium-potassium pump, uptake of glucose in small intestine et cetera.

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In some individuals, the immune system attacks substances such as grass pollen that are usually harmless, resulting in

olga nikolaevna [1]

Answer:

An allergic reaction

Explanation:

An allergic reaction occurs when our immune system misinterprets a harmless substance into a harmful antigen and initiate an over-expressed immune response against it. Some of these allergic substances are pollen, molds, insect stings, etc.

These allergens trigger the production of IgE antibodies in the body which interact with different cell and initiate the release of chemicals like histamine that cause symptoms of allergic reaction.

It can affect the nose, skin, lung, stomach lining, etc. Therefore the correct answer is an allergic reaction.

8 0

3 years ago

228×6 show your work

TiliK225 [7]

228×6=1368 that's the answer

8 0

3 years ago

Type your response in the box.

jonny [76]

Answer:

Explanation:Research questions are formulated by Scientist to aid research by given it more direction and guide.

For a Thai Fishermen the following questions will be formulated,

1. What is the relationship of Thai men eyesight and fishing

2. What makes the eye sight so important

3. Is eye sight a tool for fishing

4. What is the biology or features of Thai men eyes

7 0

3 years ago

Fetal lung maturity can be determined from amniotic fluid because the surfactant is PRIMARILY composed of:

Romashka [77]

Answer: A

Explanation:

3 0

2 years ago

The movement of water from high to low concentration across a semipermeable membrane is best defined as:.

andrew11 [14]

The movement of water from high to low concentration across a semipermeable membrane is best defined as Osmosis.

have a great day!

8 0

1 year ago