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alukav5142 [94]
3 years ago
11

Help, can someone please check my answers for my three questions? I will fan and will also give a medal.

Biology
2 answers:
Black_prince [1.1K]3 years ago
6 0
"<span>Specialized cells in the epidermis produce the dark pigment known as melanin</span>" would be something that an anatomist would claim because it is something macroscopic. The rest of the options deal with concepts that happen at the cellular or molecular level (a molecular biologist would tackle them).
Wittaler [7]3 years ago
6 0

Answer: The correct answer is A) Blood is made up of cells suspended in a fluid extracellular matrix.

Explanation: Trust me, I just chose this answer and got it right.

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Embryonic stem cells,
Tissue-specific stem cells.
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Which of the following statements is true about vaccines?
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D) Vaccines work to fight the disease

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Explain how the terms oxidation and reduction apply even when there is only a partial shift of electrons between atoms linked by
aliina [53]

Explanation:

In a covalent bond, there is sharing of the donated electron by two atomic species having very small electronegative differences between them.

Oxidation is the loss of electrons by a specie and it usually lead to an increase in oxidation number.

Reduction is the gain of electrons by a specie. It leads to a lower oxidation number.

Since there is no actual loss of gain of electrons in a covalent body, the electronegativiy is at work.

Electronegativity is the ability of a specie to draw the shared electrons more to itself in a covalent bond.

  • Between two atoms bonded covalently, the more electronegative specie draws the electrons closer.
  • This leaves a partial negative charge on it.
  • The other electron then becomes partially positively charged.
  • We can then say, the more electronegative specie undergoes reduction.
  • The less electronegative one undergoes oxidation.

learn more:

Covalent bond brainly.com/question/3064597

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3 years ago
When does a frog lay eggs in a small pond, what happens to the population of frogs in the pond?
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Sequence of nucleotides in the template (original) strand of DNA: A T A C T C G G A C T
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T A T G A G C C T G A

Explanation:

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