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svp [43]
2 years ago
13

What is dna ? and what is the purpose of dna

Biology
2 answers:
liberstina [14]2 years ago
8 0

Answer:

Deoxyribonucleic acid (DNA) is a nucleic acid that contains the genetic instructions for the development and function of living things. All known cellular life and some viruses contain DNA. The main role of DNA in the cell is the long-term storage of information.

Explanation:

-Eijiro <3

IRISSAK [1]2 years ago
6 0

First, it has to be able to make copies of itself because you're making new cells all the time and your cells have to have a copy of your DNA so it has to do what we call replication.

It also has to store all the information about your body as far as your body chemistry, your proteins, your amino acids, and all the things that make you.

One more very important job of DNA is that it's responsible for this process called protein synthesis which is the process in which cells make proteins. So every piece of your body from your fingernails, your eyeballs, and many other things are made up of proteins, proteins are the building blocks of you and the DNA determines the shape and function of your proteins. You think of DNA as a set of instructions on how to make the proteins that make you.    

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snow_tiger [21]

A hydrogen bond is the electromagnetic attraction between polar molecules in which hydrogen is bound to a larger atom, such as oxygen or nitrogen. This is not a sharing of electrons, as in a covalent bond. Instead, this is an attraction between the positive and negative poles of charged atoms.

Hope this helped :)

3 0
3 years ago
What might be two ADVANTAGES of asexual reproduction? What might be two DISADVANTAGES of asexual reproduction? What might be two
r-ruslan [8.4K]
Advantages of asexual reproduction:
- There is no need for a mate/ only one parent is required
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Disadvantages of asexual reproduction:
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Advantages of sexual reproduction:
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Disadvantages of sexual reproduction:
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4 0
3 years ago
Animals can mistake plastic garbage for ______ and end up eating it causing
REY [17]

Answer:

1. Food (or other animals that are their prey),

and the other blank would be:

2. Causing them to choke, digestive issues, or even death.

Explanation:

Plastic waste should not be littered around because of the dangers it brings to animals. For example, balloons and plastic bags pose a threat to sea turtles because if they float into the ocean, the turtles may assume they're jellyfish from their appearance and attempt to eat them.

<em>hope this helps</em>

8 0
3 years ago
Read 2 more answers
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erma4kov [3.2K]
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7 0
3 years ago
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Ymorist [56]

Answer:

The two strands of DNA are replicated in different ways

Explanation:

DNA replication is a process that occurs during the S phase of the cell cycle that consists of making two identical copies of the double-stranded DNA molecule, which subsequently are distributed in the daughter cells during cell division. During this process, DNA polymerase can add nucleotides in 5' to 3' direction, but not in 3' to 5' direction. In consequence, the DNA strand that has 3’ to 5’ directionality can be synthesized directly, while the DNA template strand that has 5’ to 3’ directionality can't be synthesized in a continuous manner and thereby it is created by adding small DNA fragments, which are known as Okazaki fragments (150-200 nucleotides in size).

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3 years ago
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