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Sergeeva-Olga [200]
3 years ago
14

4. Which answer explains how carbon cycles in our world? (5)

Biology
1 answer:
aleksklad [387]3 years ago
7 0

Answer:

The carbon cycle is nature's way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again. Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms.

Explanation: i hope this helped

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Air at the equator is warm and has a ______density, which creates ________ in comparison to the air at the poles.
almond37 [142]

Answer:

Lower, low pressure

Explanation:

The temperature at equator are mostly higher than at the poles almost all times of year. This high temperature causes air at the equator to warm up quickly and thus, the air density reduces and it becomes lighter. Now, light air rises upwards. Thus, creating a low pressure region at equators. This low pressure causes the air near the poles gush towards the equator.

Hence, the blanks will be filled with the words

Lower, low pressure.

5 0
3 years ago
From what is a nebula made?<br><br> stars<br><br> planets<br><br> asteroids<br><br> dust and gas
MatroZZZ [7]
A nebula is an interstellar cloud of "Dust and Gas"
5 0
3 years ago
Read 2 more answers
Why are flowers important to the life cycle of some plants but not others?
Rama09 [41]
Helps with oxygen and stuff
3 0
3 years ago
Which of these changes to a modern lifestyle would promote the development of more-sustainable practices in the world food syste
dezoksy [38]

Answer:

c. switching from beef to soy

Explanation:

Switching from beef to soy shall lead to the curbing of lifestyle diseases such as obesity.

At the same time, soy shall provide the nutrients that were needed by the body and could be obtained from beef.

Beef is much expensive compared to beef, thereby, there shall be experienced  low expenditure compared to beef.

Therefore the switching from soy to beef shall be a more sustainable food system.

6 0
3 years ago
Help please! DNA Assignment
vovangra [49]

Answer:

DNA Replication:

Replicate the following strand of DNA:

Original DNA: A T G A A C CA T T C A G T A T G G

Complementary DNA:

Remember that the complimentary base pairs in DNA are Adenine-Thymine and Guanine-Cytosine, or A-T and G-C. This means that if the original sequence is:

A T G A A C C A T T C A G T A T G G

Then the compliment is (replace with the opposite base pairs):

T A C T T G G T A A G T C A T A C C

Transcription:

Transcribe the DNA to make an mRNA molecule

COMPLIMENTARY DNA:

mRNA Molecule:

So if our complimentary DNA (antisense stand) is T A C T T G G T A A G T C A T A C C then to transcribe, we basically create another complimentary strand, but for mRNA, we use Uracil instead of Thymine:

A U G A A C C A U U C A G U A U G G  

Translation:

Translate the mRNA into the corresponding amino acids.

mRNA MOLECULE:

AMINO ACID:

Using the DNA sequence provided, determine the amino acids.

Next, take each codon (3-base set) to the table and record the corresponding protein:

A U G = Methionine (start)

A A C = Asparagine

C A U = Histidine

U C A = Serine

G U A = Valine

U G G = Tryptophan

ORIGINAL DNA: A T G G G T C T A G C G A A A G A T

Complementary DNA:

mRNA DNA Molecule:

Amino Acid:

And we do it all again:

A T G G G T C T A G C G A A A G A T = original DNA

T A C C C A G A T C G C T T T C T A = complementry DNA

A U G G G U C U A G C G A A A G A U = mRNA

A U G = Methionine (start)

G G U = Glysine

C U A = Leucine

G C G = Alanine

A A A = Lysine

G A U = Aspartate

Explanation:

4 0
3 years ago
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