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mel-nik [20]
3 years ago
14

Select all that apply: What are some of the steps of the scientific method mentioned?

Biology
1 answer:
kap26 [50]3 years ago
6 0

Answer:

Make an observation.

Ask a question.

Form a hypothesis, or testable explanation.

Make a prediction based on the hypothesis.

Test the prediction.

Iterate: use the results to make new hypotheses or predictions.

Explanation:

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According to the endosymbiotic theory, which organelles were believed to be once simple prokaryotic cells?
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D. Mitochondria and Chloroplast

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•Address the letter to the editor of a local newspaper.
Julli [10]

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4 0
3 years ago
Pls help me with this!!!
levacccp [35]

Answer:

1. ( c)

2. (A)

3. (b)

Explanation:

prokaryotes have no nuclues and are unicelluar while Eukaryotes are multicellular with nucleus

6 0
3 years ago
Read 2 more answers
The outermost membrane of a euglenid chloroplast is thought to have been derived from what part of an original host cell that en
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The plasma membrane of the enveloped alga cell serves as the source of the apicoplast's second outermost membrane.

<h3>Where did all chloroplasts come from?</h3>

Chloroplasts were first established in eukaryotes through an endosymbiotic relationship with a cyanobacterium; they later spread through the evolution of eukaryotic hosts and the subsequent engulfment of eukaryotic algae by formerly nonphotosynthetic eukaryotes.

<h3>How did eukaryotic cells develop mitochondria and chloroplasts?</h3>

Chloroplasts and mitochondria most likely developed from engulfed bacteria that once existed as autonomous organisms. An aerobic bacterium was eventually swallowed by a eukaryotic cell, which later established an endosymbiotic bond with the host eukaryote and gradually transformed into a mitochondrion.

To know more about cell visit:-

brainly.com/question/3142913

#SPJ4

5 0
1 year ago
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