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bagirrra123 [75]
3 years ago
12

How do nitrogen-fixing bacteria help cycle nitrogen through ecosystems?

Biology
1 answer:
aalyn [17]3 years ago
7 0
B that’s the nitrogen fixing bacteria’s job think of it as they “fix” the nitrogen so plants can use it
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in which mode of reproduction do embryos develop inside the mother’s body using an egg yolk for nourishment ?
nataly862011 [7]

Answer:

Ovoviviparous

Explanation:

Embryos develop inside the mother's body using an egg yolk for nourishment is a mode of reproduction called ovoviviparity.

If this helped you, Brainliest is appreciated.

7 0
3 years ago
Raccoons and lesser pandas have many corresponding sequences of nucleotides.
Oksanka [162]

Analyzing the proteins of the Racoons and lesser pandas, there will be huge similarities with minor modifications.

These species will be very closely related.

<h3><u>Explanation:</u></h3>

The evolutionary background of the species are mainly studied based on the similarities of the nucleotide sequences and proteins. While studying the Lesser pandas and Racoons, there was a huge similarities in then based on their structures, and on their protein composition. The nucleotide sequences also showed huge similarities which also points that they have developed from same ancestor. This is why they are very closely related with each other by means of evolution.

5 0
3 years ago
The general term that describes the sediment that the river is carrying ?
Vera_Pavlovna [14]
Silt or weathered rock
5 0
3 years ago
The domestic cat genome contains 2.9×109 base pairs. The length of linker DNA in mammals is 50 base pairs. Approximately how man
IgorLugansk [536]

Answer:

Number of nucleosomes in 2.9 * 10^9bp is equal to 1.47 * 10^7

Explanation:

For wounding one nucleosome, total length of DNA required is equal to 146 bp

The length of  linker DNA in mammals is equal to 50 bp

Thus , the total length of DNA that confides between two nucleosome is equal to the sum of wounding length of DNA and the linker length

= 146 + 50\\= 196bp

Thus, in 196bp length of DNA, the total number of nucleosomes is equal to 1

Thus, number of nucleosomes in 2.9 * 10^9bp is equal to

\frac{2.9* 10^9}{196} \\1.47 * 10^7

8 0
3 years ago
Explain why it is that translation cannot happen, unless transcription happens first.
Aleks [24]

Answer:

Translation uses DNA as a template to direct the synthesis of a RNA which in turn serves as a template for Translation which template is used to direct the synthesis of a polypeptide chain.

Without transcription, there will not be a mRNA strand to act as a template for translation by the ribosomes to occur at all.

5 0
3 years ago
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