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Xelga [282]
3 years ago
9

Why does water have a strong surface tension and why is this important?

Biology
1 answer:
tester [92]3 years ago
6 0
<h2>Why does water have strong surface tension?</h2>

The stronger the cohesive force, the stronger the surface tension. The water molecule has two hydrogen atoms bond to an oxygen atom through covalent bonding. ... Formed bonds are called hydrogen bonds which lead to strong cohesive forces between the water molecules and high surface tension of water.

<h2>Why is it important?</h2>

The surface tension of water provides the necessary wall tension for the formation of bubbles with water. The tendency to minimize that wall tension pulls the bubbles into spherical shapes. Surface tension and droplets: Surface tension is responsible for the shape of liquid droplets.

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Sadie was prescribed betaxolol ophthalmic drops by her ophthalmologist to treat her glaucoma. oral beta blockers should be avoid
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Click Show phenotype for each combination.<br> What are the resulting phenotypes?
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The resulting phenotypes are 75% flies with <em>red eyes, curly wings, brown body, and legs on the head </em><em>(R-C-B-L-) </em><em>and 25% </em>flies with<em> white eyes, normal wings, yellow body, and antennae on the head</em><em> (rrccbbll)</em><em>.</em>

<h3>Experiment</h3>

  • In this experiment, we are performing a cross between two individuals that are heter0zyg0us for all the traits under study.

  • Each trait is coded by a single diallelic gene.

  • We will assume they assort independently and there is no interaction between them.

<h3>TRAITS</h3>

<h3>wing shape</h3>
  • Dominant allele C codes for curly wings,
  • Recessive allele c codes for normal wings

<h3>bodycolor</h3>
  • Dominant allele B codes for brown
  • Recessive allele b codes for yellow

<h3>antenna type</h3>
  • Dominant allele L codes for legs on the head
  • Recessive allele l codes forantennae on the head

<h3>eye color   </h3>
  • Dominant allele R codes for red eyes
  • Recessive allele r codes for white eyes

<h3>Cross</h3>

Parentals)   RrBbCcLl     x     RrBbCcLl

Gametes) RCBL, rbcl          RCBL, rcbl       ⇒  No crossing over

Punnett square)                 RCBL               rcbl

                         RCBL    RRCCBBLL       RrCcBbLl

                           rcbl     RrCcBbLl          rrccbbll

F1)

  • 1/4 = 25% of the progeny is expected to be RRCCBBLL, expressing <em>red eyes, curly wings, brown body, and legs on the head</em>

  • 2/4 = 50% of the progeny is expected to be RrCcBbLl,  expressing <em>red eyes, curly wings, brown body, and legs on the head</em>

  • 1/4 = 25% of the progeny is expected to be rrbbccll,  expressing <em>white eyes, normal wings, yellow body, and antennae on the head.</em>

<em />

The resulting phenotypes are:

  • 3/4 = 75% flies with <em>red eyes, curly wings, brown body, and legs on the head.</em>
  • <em>1/4 = 25% </em>flies with<em> white eyes, normal wings, yellow body, and antennae on the head.</em>

<em />

<em />

<em>You can learn more about </em><em>drosophila traits</em><em> at</em>

<em>brainly.com/question/2240567</em>

<em>brainly.com/question/1658614</em>

<em>brainly.com/question/2234658</em>

<em />

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