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3 years ago

What's the difference between DNA and RNA?

Biology

2 answers:

Elden [556K]3 years ago

4 0

1)DNA contains the sugar deoxyribose, while RNA contains the sugar ribose.
2)DNA is a double-stranded molecule while RNA is a single stranded molecule.
3)DNA and RNA perform different functions in humans. DNA is responsible for storing and transferring genetic information while RNA directly codes for amino acids and as acts as a messenger between DNA and ribosomes to make proteins.

mel-nik [20]3 years ago

3 0

Hey there,

DNA is a long polymer

And

RNA is a polymer with a ribose

~Jurgen

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Select all that apply. Pathogens include:

salantis [7]

Protozoa
Viruses
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Fungi
Bacteria

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3 years ago

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Describe a service that a ecosystem provides in your community that should be protected to ensure that the quality of the servic

ddd [48]

In our community the ecosystem provides fresh drinking water via pipes called citywater or ground water. It should be protected well, because it is our cities only source of clean water, ''purified''.

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3 years ago

The producers had 6,000 kcal of energy , how much would be passed to the primary consumer?

morpeh [17]

Answer:

600 kcal

Explanation:

In an ecosystem, energy is transferred from one organism in a trophic level to another organism in another trophic level. Organisms called PRODUCERS are capable of deriving energy from the sun. However, when fed upon by PRIMARY CONSUMERS, only about 10% of the energy is transferred to them because most of the energy (90%) is lost as heat.

Hence, in this case where the producers had 6,000 kcal of energy, 10% i.e. 10/100 of 6000 = 600 kcal of energy will be transferred to the primary consumers.

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2 years ago

Human and sperm whale myoglobin have very similar primary structures. Which of the following statements are correct? a. The two

Mandarinka [93]

Question is incomplete ,complete question is as follows :

Human and sperm whale myoglobin have very similar primary structures. Which of the following statements are correct?

1) The two proteins are very likely related evolutionarily.

2) The differences in the sequences in many instances represent a conservative change (such L for I).

3) The differences in the sequences in many instances represent a nonconservative change (such as D for A).

4) There is no correlation between the two proteins since they originate from very different species.

Human and sperm whale myoglobin have very similar primary structures. Which of the following statements are correct?

A) Statements 1 and 2 are correct.

B) Statements 1, 2, and 4 are correct.

C) Statements 1, 2, and 3 are correct.

D) All of the listed statements are correct.

Answer:

A) Statements 1 and 2 are correct.

Explanation:

As the Human and sperm whale myoglobin are very likely related evolutionarily hence option a is correct.

The differences in the sequences in many instances represent a conservative change (such as L for I) hence option b is also correct.

While all the other options are not correct.

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3 years ago

Desity can often be used to help determin the identity for a substance

sp2606 [1]

Density can be useful in identifying substances. It is also a convenient property because it provides a link (or conversion factor) between the mass and the volume of a substance. Mass and volume are extensive (or extrinsic) properties of matter - they depend on amount.

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2 years ago