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ziro4ka [17]
3 years ago
14

Many natural cycles allow life on Earth to continue. One of them is the

Biology
1 answer:
Alex_Xolod [135]3 years ago
5 0

Answer:

D. Changing land use and burning fossil fuels.

Explanation:

Today, the carbon cycle is changing. Humans are moving more carbon into the atmosphere from other parts of the Earth system. More carbon is moving to the atmosphere when fossil fuels, like coal and oil, are burned. More carbon is moving to the atmosphere as humans get rid of forests by burning the trees.

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Question 1 (2 points)
Blababa [14]

The amino acids coded triplets in the 3' to 5' strand on the normalp53 gene of chromosome 13 are lysine, leucine, Glutamine, stop codons.

Explanation:

mRNA is formed by the transcription of DNA strand coding for  a gene.

Any mutation in the DNA sequence even a difference of base pair would cause formation of different amino acids and hence altered protein.

The amino acid is formed in the step of translation where codes are read by tRNA on the mRNA strand and correct nucleotide is brought to growing polypeptide chain.

In transcription 3' to 5'  strand acts a template strand. The amino acids on the p53 gene of chromosome 17 is

3'TTT AAC   GTC    ATC 5'    Gene sequence

5' AAA UUG CAG   UAG 3'   mRNA

lysine, leucine, Glutamine, stop

8 0
3 years ago
Help please? ^^'
adoni [48]

Natural Selection.

It favors the better adapted organisms.


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3 years ago
What is the official name of the smallest and simplest cells?
yan [13]
Prokaryotic I think :)
8 0
3 years ago
Ben bought two identical plants and placed them on opposite ends of his garden. After several days, he noticed that one grew tal
Leona [35]

Answer: Scientific observation

Explanation:

The reason for this is, Ben is observing the plants, coming up with questions.

8 0
3 years ago
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You are viewing a patients karyotype. You see 23 chromosomes total. There
In-s [12.5K]

Answer:

You are viewing an egg cell

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