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professor190 [17]
3 years ago
9

What factors can disrupt Earth's systems?

Biology
2 answers:
worty [1.4K]3 years ago
8 0

Answer:

Natural disasters and human activity.

Explanation:

elixir [45]3 years ago
5 0
1. overpopulation
2. pollution,
3. burning fossil fuels
4. deforestation.
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A particular diploid plant species has 48 chromosomes, or two sets. A mutationoccurs and gametes with 48 chromosomes are produce
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Answer:

The zygote will have 96 chromosomes.

Explanation:

If self-fertilization occurs, and two gametes (each having 48 chromosomes) unite, the zygote will have 96 chromosomes ( or 4 sets)

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In nerve cells the sodium-potassium pump is used to generate gradients of both sodium and potassium ions to propagate electrical
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Do you think you would like to analyze dna samples? why or why not?
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No, its not my field of interest.

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How do you change dna to rna to amino acids
yanalaym [24]
This can be done through the Transcription and Translation process.

Long story short: DNA -> messenger RNA (mRNA) -> amino acids -> polypeptide chain -> protein

Step 1: Transcription
1) DNA loop is open
2) RNA polymerase (enzyme in nucleus) catalyze reaction of “unzipping” DNA
3) free RNA nucleotides in nucleus will be added to that strand of DNA
4) messenger RNA moves across nuclear membrane to cytoplasm (our nucleus)

Step 2: Translation
1) messenger RNA attaches to ribosome
2) mRNA determines which amino acid to place on protein
3) uses codons (triplet) on mRNA. Codon on mRNA and anticodon on tRNA have to match, which places true amino acid in ribosome, then it detached and finds another amino acid in cytoplasm.
4) “AUG” starts translation, and keeps going until reaching “stop codon”.
5) completed polypeptide chain results to protein being synthesized

Your teacher should explain this process more in depth hopefully
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How do you avoid urinary tract infections?
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