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Nataly [62]
3 years ago
13

Biology: please answer any if you can- thanks!

Biology
1 answer:
ladessa [460]3 years ago
4 0
1.) Mitosis is the splitting of a parent cell into two daughter cells. When mitosis occurs the DNA is copied, making double the amount of chromosomes in the parents cell which will late be divided into two separate cells when the cell pinches in the middle. 
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Que tipo de relación existe cuando una especie que utiliza a otra como vivienda
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Talk in English I don’t understand
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The sunflower plants shown are the same species. The differences in
tia_tia [17]

Answer:

The sunflower plants shown are the same species. The differences in

height among the plants is an example of variation

Explanation:

Variation entails difference in a condition which is exactly what happened as regards sunflower plant with different height

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Why are non-native species dangerous to ecosystems?
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Answer & explanation:

Non-native species may be animals, plants or microorganisms introduced into an ecosystem of which they are not originally part, but where they adapt and come to dominate, harming natural processes and native organisms.

When a new species is introduced into an environment other than its own, it may compete with others, prey heavily on some species, over-breed and even cause disease.

Therefore, it can be concluded that this action may cause the destruction of some species, directly affecting the balance of that ecosystem.

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3 years ago
Which statement describes a positive effect of selective breeding?
Sever21 [200]

Answer:

desirable traits are passed down into future generations

Explanation:

5 0
2 years ago
Recall that DNA and RNA are synthesized only in the 5'→3' direction and that DNA and RNA sequences are written in the 5'→3' dire
aleksley [76]

Answer:

<u>The Transcription mRNA</u>

5'- AUG-CCC-GUU-UGG-AGA-UCG-GGU-UAC-AGC-UAG-3'

<u>The translation product</u>

5' Met-Pro-Val-Trp-Arg-Ser-Gly-Tyr-Ser-3'

Explanation:

Transcription is a process which transcripts the DNA to a molecule called mRNA or messenger RNA which contains code for the synthesis of amino acids.

The RNA nucleotide base pairs are added in the same way as in the DNA that is guanine will bind cytosine but adenine will bind uracil instead of thymine.

Since the start codon is AUG which codes for methionine and stop codons could be UAG, UAA or UGA which do not code for the amino acids during translation.

In the given question,  

Looking for the start codon which is AUG in the template strand is found and the transcript mRNA thus will be coded as

<u>Template strand</u>

3' AACTT-TACGGGCAAACCTCTAGCCCAATGTCGATCAGTTTC 5'

<u>The Transcription mRNA</u>

5'- AUG-CCC-GUU-UGG-AGA-UCG-GGU-UAC-AGC-UAG-3'

<u>The translation product</u>

5' Met-Pro-Val-Trp-Arg-Ser-Gly-Tyr-Ser-3'

8 0
3 years ago
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