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AleksAgata [21]
3 years ago
9

When is a species considered to be endangered​

Biology
1 answer:
Ede4ka [16]3 years ago
5 0

Endangered Species. An animal or plant species is considered 'endangered' when it is at the risk of becoming extinct from the planet or from a particular region on the planet. Most of these species are considered to be endangered as they are at the risk of becoming extinct with only a few individuals surviving.

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f a protein is coded for by a single gene and this protein has six clearly defined domains, which number of exons below is the g
lana66690 [7]

Answer:

The correct answer is C) 8 exons.

Explanation:

If we assume that each domain matches with an exon, and we have a 6 domain protein (domain= the functional regions of the protein that include the active site), there must be at least 6 exons in the gene. Also, remember that exons include the 5'- and 3'- untranslated regions or UTR. So, assuming that each unstraslated region is equivalent to an exon, there must be at least 8 exons in the gene (6 exon for each domain and one 2 exons for UTR).

Anyway, be careful, because this is a simple exercise where we assume a lot of things. In the real world, the first exon tends to include the 5'-UTR and it is already proved that one exon is not always equivalent to one protein domain.

7 0
3 years ago
Peroxisomes are involved in detoxification as well as the metabolism of amino acids and what?
vlabodo [156]

Answer:

Lipids. Peroxisomes are involved in the metabolism of amino acids and lipids due to their oxidation reactions that break down lipids and fatty acids.

Explanation:

Hope this helped!

7 0
3 years ago
Mammals who have very short development period Inside their mothers body, followed by a second development period Inside a spec
KatRina [158]
Placental is the answer
3 0
3 years ago
Write the formula used to calculate the area of a regular object​
AleksAgata [21]

Answer:

Find the area of a square or rectangle by multiplying the length times the width. This formula looks like l*w. If the length is 5 and the width is 2, the area is 10 square units.

Explanation:

5 0
3 years ago
Read 2 more answers
4. In humans and all creatures constructed of eukaryotic cells, the DNA always resides in the .
Lady_Fox [76]

Answer:

Nucleus (as nuclear DNA),mitochondrial(mitochondrial DNA) and chloroplasts.

DNA is packed tightly around protein called Histones, in Eukaryotes cells;so that many molecules can easily be held together as chromosomes.

Chromosomes are thread-like structure in nucleus of cells.The histones provide support to the DNA molecule

The part DNA molecule coded for by a polypeptide is GENE, therefore  in the nucleus of cells, DNA contains GENE,and the gene and DNA are packed in chromosomes,DNA appears as circular DNA mitochondria

Explanation:

8 0
3 years ago
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