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olganol [36]
3 years ago
12

Give 3 examples of how technology has influenced human population growth

Biology
2 answers:
andriy [413]3 years ago
6 0

Alternating current electricity. This allowed electricity to flow further than Edison's first DC approach.

Railroads - allowed for transportation of materials to growing small cities, and large cities to become larger.

Antibiotics and antiviral medicines. - stopping deadly diseases and bacteria from spreading. This helped with many problems that would normally terminate 33% of populated areas that are infected.

xz_007 [3.2K]3 years ago
4 0

Alternating current electricity. This allowed electricity to flow further than Edison's first DC approach. 

Railroads - allowed for transportation of materials to growing small cities, and large cities to become larger.

Antibiotics and antiviral medicines. - stopping deadly diseases and bacteria from spreading. This helped with many problems that would normally terminate 33% of populated areas that are infected.



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Answer:

4. c. Deletion/ frameshift mutation

5. a. Tyr Tyr Asp Ser Gly

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Explanation:

4)

A single base pair at the first position of the Arg codon i.e. CGA has been deleted. Due to the deletion, the reading frame has shifted one nucleotide backwards, altering the amino acid sequence of the protein.

5)

The genomic DNA sequence is 5'-ATG ATA CTA AGG CCC-3'. Therefore, the complementary mRNA will be 5'-UAC UAU GAU UCC GGG-3'. According to the genetic code, this mRNA sequence encodes the following amino acid sequence: Tyr Tyr Asp Ser Gly

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The wild type DNA sequence is:

5'-ACUGUAAUGGAGUCAGAUGAUGCAUUAAGGAGAAAUUGAAAUAAA-3'

The mutant i.e. mRNA with the added G will be

5' ACUGUAAUGGGAGUCAGAUGAUGCAUUAAGGAGAAAUUGAAAUAAA-3'  

This is a single base pair insertion and frameshift mutation that shifts the reading frame one base pair forwards. The codon that was originally GAG coding for glutamic acid (Glu) gets converted to GGA that codes for glycine. Therefore, the amino acid sequence has been altered but the polypeptide chain will still have 13 amino acids.

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