Answer:
C: Exoskeleton
Explanation:
Unlike humans and other mammals, many insects and crustaceans alike have this tough outer layer that looks similar to a skeleton! This would be identified as its exoskeleton.
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Answer:
a) The enhancer site is a distal control site many nucleotides upstream from the promoter site, and activates the initiation complex of transcription.
Explanation:
Enhancers are the regulatory DNA sequences that are generally located quite away from the coding regions of a gene. These sequences are mostly present upstream of promoter sequences. Enhancers regulate the gene expression by stimulating the formation of an active transcription initiation complex and thereby, increase the rate of RNA synthesis. Enhancers also serve as the binding site for specific regulatory proteins. These proteins bound to the enhancers then activate transcription by interacting with the proteins bound to the promoters.
Answer:
Mitochondrial typing is a method where by the DNA of a person is matched with the DNA of a sample found at a crime site. This is a method which is mainly done at forensic labs to find out the accused with the help of DNA of the individual. This is called DNA typing to scientist because they think they will find something really rare if they finger out mitochondrial DNA
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Explanation:
