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Flura [38]
3 years ago
12

The endosymbiotic theory suggests that a prokaryotic cell ate another prokaryote, giving rise to eukaryotes.

Biology
1 answer:
Vadim26 [7]3 years ago
7 0
Mitochrondria of the eukaryotic cells.
<span>As many researchers hypothesize that the old single-celled organism or the origin of the complex-celled organisms came from the endosymbiosis of the mitochrondrion organism and the prokaryotic cell. It has been said that mitochondria was an independent organism which then to have been evovled itself after planting itself inside a prokaryotic cell which aided cellular respiration and production of ATP (Adenosine Triphosphate). This then aided the prokaryotic cell to be more sophisticated and caused another change from having without a true nucleus to a eukaryotic cell with a nucleus and embedded DNA.  </span>
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The ultimate goal of sustainable development is to limit the future use of resources b. meet current and future resource needs C
egoroff_w [7]

The correct answer is B. Meet current and future resource needs.

Explanation:

Sustainability implies an equilibrium between the natural resources available and the resources humanity requires. This equilibrium is reached when the natural resources extracted from nature are enough to satisfy human needs without depleting the resources or causing these are not available in the future. In this context, the goal of sustainable development is to make sure now and in the future resource needs are meet (option B). Moreover, this is possible through actions such as recycling, reducing deforestation, creating environment-friendly technologies, among others that reduce the depletion of resources or preserve the environment.

4 0
2 years ago
Protein synthesis can be compared to building a doghouse. Sondra wanted to build a doghouse and found a book in the reference se
Nimfa-mama [501]

The correct answer is mRNA.

mRNA or messenger RNA is synthesized during the process of transcription, from DNA molecule which is used as a template. mRNA contains information about protein synthesis (translation) in the form of nucleotide triplets or codons.

In the example above: reference book is DNA molecule (template for copies), copies are mRNA, wood is amino acids (building blocks) and doghouse is protein.

5 0
3 years ago
Which question can be answered by science?
Zinaida [17]

Answer:

A. What is the effect of pesticides on the environment

Explanation: I just took the test

5 0
3 years ago
An oil spill happened at the Wild Harbor salt marsh on Cape Cod, Massachusetts in 1969. The oil has persisted in the ground sinc
Dima020 [189]
I would guess that the answer would be :'<span>These organisms dig more shallow burrows than they used to.</span>' If the crabs actively dig burrows, as many crab species do, and a layer of oil has persisted in the lower soil strata, it makes sense that the crabs would be reducing the depths of their burrows to avoid contact with the oil. The other possibility is that the crabs might might migrate to deeper waters, but this is less likely because the crabs would be evolved to utilise the intertidal zone. 
6 0
2 years ago
What is active transport
aleksley [76]

Answer:

The movement of ions or molecules across a cell membrane into a region of higher concentration

3 0
2 years ago
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