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Otrada [13]
3 years ago
10

Dolphins hear with:

Biology
2 answers:
enot [183]3 years ago
6 0

Answer:

A.

Explanation:

hope this helped

stay safe

brainliest is appreciated only 1more to level up please help :)))

serg [7]3 years ago
3 0

Answer:

B

Explanation:

they use echolocation and it is decifered through that prosses

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Plants use sunlight to convert nutrients into energy. What form of energy transfer is taking place?
Fudgin [204]

Plants converts solar energy into chemical energy through the process of photosynthesis . The electron and proton from the water molecules are used to produce energy transport molecules i.e ATP and NADPH,  in the light reaction phase of photosynthesis. The energy of the sun excites the chlorophyll molecule which in turn release high energy electron. The energy of ATP and NADPH is further used to fix the carbon in the Kelvin cycle.

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Steroid hormones and thyroid hormones ________ pass across the plasma membrane; they cause the target cells to ________ that pro
tekilochka [14]

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can ,synthesize specific proteins

Explanation:

Hormones are chemical signals secreted by animals and plant that are capable of regulating body activities and maintain homeostasis.

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6 0
3 years ago
Which of the following situations is most likely to involve the action of the parasympathetic nervous system?
stiv31 [10]

Out of the following given choices

a) Brooke’s finger accidentally grazes the hot iron; she immediately yanks her hand away.

<span> b) After a satisfying evening meal, Callum relaxes in front of the television. <span> <span>c) Walking toward her car is a deserted parking garage one night, Danica is surprised by a strange man appearing from nowhere.</span> <span> <span>d) Emmeline feels queasy as she approaches the front of the class to give a speech; suddenly, her throat goes dry.</span>  
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The answer is B. The parasympathetic nervous system is part of the autonomic nervous system that regulates the unconscious actions of the body.  The system is regarded as significant in the ‘rest-and-digest’ activity and also the ‘breed-and-feed’. </span></span></span></span>
5 0
3 years ago
Each of the four pedigrees that follow represents a human family within which a genetic disease is segregating. Affected individ
Ne4ueva [31]

 Answer:

<u> The following four traits are -: </u>

  • <u>Pedigree 1 -</u> A recessive trait (autosomal recessive)  is expressed by pedigree 1.
  • <u>Pedigree 2- Recessive inheritance is defined by Pedigree 2. </u>
  • <u>Pedigree 3</u> - The inheritance of the dominant trait (autosomal dominant) is illustrated by Pedigree 3.
  • <u>Pedigree 4-</u> An X-like dominant trait is expressed by Pedigree 4.    

Explanation:

<u>Explaination of each pedigree chart</u>-

  • Pedigree 1 demonstrates the <u>recessive trait </u>since their children have been affected by two unaffected individuals. If the characteristics were X-linked, in order to have an affected daughter, I-1 would have to be affected. X^A In this, both parents are autosomal recessive trait carriers, so the child will be affected by a 1/4 (aa)
  • <u> Recessive inheritance</u> is defined by <u>Pedigree 2</u>. This is<u> X-related inheritance as autosomal recessive</u> inheritance has already been accounted for in part 1. This inference is confirmed by evidence showing that the father (I-1) is unaffected and that only the sons exhibit the characteristic in generation II, suggesting that the mother must be the carrier. The individual I-2 is a carrier for this X-linked trait. A typical  Xa chromosome is attached to the unaffected father (I-1), so the chance of carrier II-5 is 1/2. Probability of an affected son = 1/2 (probability II-5 is a carrier) x 1/2 (probability II -5 contributes (X^A) x 1/2 (probability of Y from father II-6) = 1/8. An affected daughter's likelihood is 0 because a typical X^A must be contributed by II-6.
  • The inheritance of the<u> dominant trait</u> is demonstrated by <u>Pedigree 3 </u>because affected children still have affected parents (remember that all four diseases are rare). The trait must be <u>autosomal dominant</u> because it is passed down to the son by the affected father. There is a 1/2 risk that the heterozygous mother (II-5) would pass on mutant alleles to a child of either sex for an autosomal dominant feature.
  • <u>Pedigree 4</u> is an <u>X-linked dominant function</u> characterized by the transmission to all of his daughters from the affected father but none of his son. On the mutant X chromosome, the father (I-1) passes on to all his daughters and none of his sons. As seen by his normal phenotype, II-6 therefore does not bear the mutation. An affected child's likelihood is 0.    

In the question the pedigree chart was missing ,hence it is given below.

     

7 0
3 years ago
Thus is the question I'm NOT Sure of the awnser any help?
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A. Cohesion is a property of water that describes the attraction due to hydrogen bonding between water molecules.
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