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Ilya [14]
3 years ago
5

"Geckos use a force and not suction to adhere to surfaces. Describe how this force works"

Biology
1 answer:
Finger [1]3 years ago
7 0

Answer:

Geckos use a force not suction to adhere to the surface. This force is van der wall force. The toepad of geckos has many thousand setae that are keratinized and each setae have fine hairs called spatulae.

The van der walls force between the spatulae and the surface helps in the adhesion geckos to the surface. Van der waals is the sum of repulsion and attraction formed during electrostatic interaction.  In this force two atoms come to that much close that they create a subtle nuclear attraction.

Apart from Vanderwall force, capillary force also helps in adhesion. Vander wall force play a primary role in adherence on hydrophobic surface.

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In case of poor economic conditions increase demands for materials and harm the health of marine ecosystems. The correct option is A.

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Marine ecosystems are aquatic environments with high dissolved salt levels.

These include the open ocean, the deep sea, and coastal marine ecosystems, each with its own set of physical and biological characteristics.

If the economy suffers, the resources needed to improve the health of marine ecosystems will be unavailable.

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2 years ago
Question 10 (1 point) |
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Answer:

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Explanation:

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8 0
4 years ago
In an analysis of the nucleotide composition of a double stranded DNA to see which
777dan777 [17]

Answer:

C) A + T = G + C

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6 0
3 years ago
The chemical subunits called ________________ acids are joined together to form proteins.
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56-year-old client presents with sudden onset of stroke-like symptoms that started 45 minutes prior to admission. Presenting Nat
ioda

Answer:

The nurse should  give antihistamine or administer epinephrine. This is because the swollen tongue is a sign of allergic reactions(although not a sign of stroke) due  to intake of  Angiotensin-converting enzymes (ACE) Inhibitors, by the patients,needed to  dilate the narrow blood vessels. The  drugs increase blood flow, but this comes with an allergic reactions.In case the swelling is much, which might occlude air passage  leading  to respiratory distress,<u> intubation </u> with insertion of endotrachea tube (ET) through the mouth might be needed).to open the airways by connection to the ventilators,

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