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viva [34]
3 years ago
11

What is the name of the substance that gives skin and hair its pigment?

Biology
1 answer:
statuscvo [17]3 years ago
6 0
It is called melanin 
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________ are cells that make up the brain and spinal cord and transmit electrical signals from receptor to effectors.
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I think the answer here is neurons, the nerve cells
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Why are frogs said to have “two lives” ?
Vladimir79 [104]

Answer:

  • One because they are amphibians
  • two because amphibian means two lives
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  • Fourth because they live longer (I think)

Explanation:

Frogs begin their lives in the water as eggs and then tadpoles and when they are fully developed they live on land.

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6 0
3 years ago
Read 2 more answers
Folds are usually formed by _____.
Sauron [17]

Answer:

Folds are usually formed by Compression

Explanation:

Compression has to do with applying force to a material or substance to give another shape, in order to get a fold compression is used.

6 0
4 years ago
You are given two true-breeding groups of rabbits. The first group has floppy ears and white coat color. The second group has st
malfutka [58]

Answer:

Option E, Floppy ears are dominant over straight ears; coat color is determined by incomplete dominance

Explanation:

Let the allele for floppy ears be "F" and the allele for straight ears be "f"

And Let the allele for black coat color be "B" and the color for white coat color be "b"

Now, the cross is carried out between the first group having floppy ears and white coat color (FFbb) and the second group having straight ears and black coat color (ff BB)

The 16 offspring have genotype FfBb

Phenotype of 16 offspring is Floppy ears and grey coat

Ff represents the floppy ear , thus "F" is dominant over "f"

Bb represents the grey color which is a case of incomplete dominance in which none of the real trait i.e black or white is expressed.

Hence, option E is correct

6 0
3 years ago
Its energy source is glucose, which it is taking up from its environment via na/glucose symporters distributed throughout the su
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4 0
4 years ago
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