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3 years ago

1.

Biology

1 answer:

ella [17]3 years ago

5 0

Answer:

I need the information in order to tell you

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A word referring to something compoposed of<br> one cell

kipiarov [429]

Answer:

unicellular organism

Explanation:

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4 years ago

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41-Steroids are a class of lipids. Which of the following is an example of a steroid

Andrei [34K]

<h2>Answer: (b) Cholesterol</h2>

Explanation:

As the name suggests, cholesterol is a sterol (a modified steroid). It is biosynthesized by animal cells.

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3 years ago

Who discovered the monomers of nucleic acids?

Kazeer [188]

Answer:

Phoebus Levene.

Explanation:

Two types of nucleic acids are DNA and RNA. The monomers of mucleic acid contains the pentose sugar, nitrogenous bases and the phosphate group attached with the bases.

Friedrich Miescher was the first scientists who discovered the nucleic acids. He identified the nucleic acids from the bandage that contains the nuclei of white blood cells. The new compounds discovered is known as nucleic acid. But the monomers of the nucleic acids was first explained by Phoebus Levene. Different forms of nucleic acid was also postulated by Phoebus Levene.

Thus, the answer is Phoebus Levene.

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3 years ago

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Help me with this question

Nataliya [291]

Answer: I think it is probably c

Explanation:

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3 years ago

Now that you have identified the components of DNA, can you describe how these components bind together to form a DNA molecule?

omeli [17]

The question is incomplete. The complete question is attached below.

Answer:

1. DNA is the polymer of deoxyribonucleotides that contain the nitrogenous base, pentose sugar and phosphate group. The phosphate is attached with the 3 C position of the deoxyribose sugar. This leads to teh formation of phosphodiester bond.

2. The DNA backbone consists of phosphate and sugar. The nitrogenous bases are inserted inside the DNA molecule. These nitrogenous bases are linked together by the hydrogen bonds.

3. The adenine binds requires two hydrogen bonds to bind with thymine. This provide complementary nature to the DNA molecule. Uracil is present instead of thymine in RNA .

4. The guanine binds requires three hydrogen bonds to bind with cytosine. More amount of energy is required to break their bonds.

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3 years ago