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sweet-ann [11.9K]
3 years ago
14

Why do you think it is so difficult to control the spread of invasive species?

Biology
1 answer:
Fynjy0 [20]3 years ago
5 0
Invasive species are not native to the new ecosystem that they are invading therefore they have the upper hand. These species have different adaptations that help them spread faster than the other stable organisms in the environment. Once the invasive species starts to spread its almost impossible to stop due to its quick growing and competitive nature
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3 years ago
A DNA sequence that is 15 nucleotides long would give rise into a polypeptide sequence that was how many amino acids long?
Elena-2011 [213]

A DNA sequence that is 15 nucleotides long would normally give rise to a polypeptide sequence that would be 5 amino acids long. This is assuming that all the nucleotides in the DNA sequences are strictly coded to form only sense codons and not a single nonsense codon, also called termination codon

A sense codon is a set of three nucleotides also called a triplet, that codes for a particular amino acid. A DNA sequence of 15 nucleotides has 5 codons.

A nonsense or termination codon is one that does not code for any amino acid. There are three nonsense codons found on mRNA, and these are UAA, UAG and UGA.  So if the DNA sequence has one of these, then the amino acids  in the polypeptide chain will be 4 in number


7 0
3 years ago
In familial hypercholesterolemia, individuals homozygous for the allele causing the disorder completely lack receptors on liver
JulsSmile [24]

Answer:

The correct answer is - incomplete dominance.

Explanation:

A inheritance pattern that is characterized by pattern in which the one allele is not completely dominant over the its recessive variant of the allele and due to its incomplete dominance a third phenotype expressed over, termed as the incomplete dominance.

In the case of the familial hypercholesterlemia, it is genetic disorder in which the individual lacks the receptors on liver cells remove cholesterol from the blood. This condition occur in the homozygous allele case. In normal people have receptors normal while in heterozygous condition individual have half of the total receptors.

Thus, it is the case of incomplete dominance.

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Which of the following is an example of a tertiary consumer?
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