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arlik [135]
3 years ago
7

Measuring the mass of a black bean? kilogram or milligrams

Biology
1 answer:
Veseljchak [2.6K]3 years ago
5 0
Milligrams would be best
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If a small droplet of ordinary fat molecules is suspended in water, the fat molecules form a "ball of spaghetti" with no particu
kolbaska11 [484]

Answer:

Option 1, a charged end and a noncharged end

Explanation:

Complete question

If a small droplet of ordinary fat is suspended in water, the fat molecules form a "ball of spaghetti" with no particular orientation. But if a droplet of phospholipid molecules is put in water, all the molecules point outward, toward the water. Phospholipids are forced into this orientation because phospholipids have _____

  1.  a charged end and a noncharged end
  2.  three fatty acid molecules, all pointing in different directions
  3.  two fatty acid molecules pointing in different directions
  4.  both a saturated fatty acid and an unsaturated fatty acid
  5.  two charged ends

Solution

The structure of phospholipids consists of the following groups and molecules –  

a) A glycerol molecule  

b) Fatty acids (2 in numbers) – It is hydrophobic as it is uncharged and non polar in nature

c) Phosphate group (with alcohol) – It is hydrophilic as it is negatively charged and polar in nature.  

When the phospholipids are placed in  water, the molecule rearranges itself in a way that the hydrophobic head face inside and the hydrophilic head face outside thereby forming micelles.

Hence, option 1 is correct

3 0
3 years ago
How is homeostasis important to the survival of organisms?
anzhelika [568]
No the right answer is A. Homeostasis allows organisms to regulate their temperature because it makes sure the organisms cells do not burst or shrink. This allows the organism to survive.
4 0
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What conditions make for a violent volcanic eruption? A. Magma with low gas content OB. Magma with low viscosity O C. Magma with
spayn [35]

Answer:

A and B

Explanation:

the main factors that result in violent volcanic eruption is low viscosity and gas content

4 0
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What makes a theory change over a period of time
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Une théorie change avec les avancées scientifiques, les avancements culturels et les changements de point de vue de la société.

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"Who coined the term Ecology"?
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Ernst Haeckel.


Hope this helps! :)
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2 years ago
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