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zzz [600]
3 years ago
13

What is Earth's atmosphere primarily composed of?

Biology
2 answers:
Bas_tet [7]3 years ago
3 0

It is C. Nitrogen. Nitrogen is 78% of the atmoshere

Setler [38]3 years ago
3 0

Answer:

The answer is C. nitrogen Hopefully this helps!

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Which characteristic is not necessary for survival of the organism but is needed for the survival of the species
jek_recluse [69]
Reproduction is not necessary but is essential in keeping the generations of species going.<span />
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2 years ago
What does it mean to describe a scientist as sketptical?
dexar [7]
To describe a scientist as skeptical, they question existing ideas and a new hypothesis. skepticism is a valuable quality because it shows that scientists is good and open minded.

i hope this helps...
6 0
3 years ago
The vector, which is often a small, circular piece of dna that can exist outside the bacterial chromosome, is known as what?.
kramer

The vector, which is often a small, circular piece of dna that can exist outside the bacterial chromosome, is known as a plasmid.

Bacteria and certain other microscopic species contain plasmids, which are tiny circular DNA molecules. Physically distinct from chromosomal DNA, plasmids multiply on their own. They normally contain only a few genes, including some linked to antibiotic resistance, and they can spread from one cell to another.

Recombinant DNA techniques are used by scientists to splice the genes they want to research into a plasmid. The inserted gene is duplicated along with the plasmid when it duplicates itself. Molecular cloning, the process of creating DNA molecules and introducing them into a host cell, uses plasmid vectors as the means of delivering recombinant DNA into the host cell.

To know more about plasmids, refer to the following link:

brainly.com/question/7826558

#SPJ4

3 0
1 year ago
Combinaciones dirigidas de ADN, encaminadas al
mario62 [17]

Answer:

In biotechnology, the recombinant DNA technologies have shown to be very useful to produce genetic combinations capable of improving a specific trait. In consequence, these technologies have important applications in different fields ranging from agricultural biotechnology to medicine and industry.

6 0
3 years ago
7. A type of cell division that results in diploid cells: [meiosis / mitosis
White raven [17]

Answer:mitosis produces 2 diploid cells

Explanation:

4 0
3 years ago
Read 2 more answers
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