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MArishka [77]
3 years ago
11

A scientist is studying a cell and can clearly see that it has ribosomes and mitochondria. Which statement best describes how th

e cell could be classified?Which structure is unique to eukaryotic cells?
Biology
1 answer:
ruslelena [56]3 years ago
8 0

Answer:

The cell is eukaryotic because it contains mitochondria.

nucleus

Explanation:

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Protein molecules are composed of long chains of?
Nataly_w [17]


They are composed of long chains of amino acids.

The building blocks of protein are amino acids. Amino acids are organic molecules made up an alpha (center) carbon atom which is linked to an amino group, a carboxyl group, a hydrogen atom and  a variable component  known as a side chain.

Amino acids are joined to each other by peptide bonds  to form either a short chain called an oligopeptide or  a long chain called a polypeptide.  These chains are what forms the protein.

5 0
3 years ago
What's a quote in the poem "two kinds" that encouraging
Ne4ueva [31]
"So maybe I never really gave myself a fair chance. I did pick up the basics pretty easily, and I might have become a good pianist at that young age. But I was so determined not to try, not to be anybody different that I learned to play only the most ear-splitting preludes, the most discordant hymns"

this is a quote you can use from the book “two kinds” by amy tan that could be considered “encouraging”!

hope this helps :)
6 0
2 years ago
What is the practice of leaving old stalks to provide cover from the rain called?
Travka [436]

Answer:

No-till farming, which is the practice of leaving old stalks, provides cover from rain. The cover reduces water runoff and slows soil erosion. Contour plowing helps prevent erosion from heavy rains.

Explanation:

which is the practice of leaving old stalks, provides cover from rain. The cover reduces water runoff and slows soil erosion. Contour plowing helps prevent erosion from heavy rains.

4 0
3 years ago
A scientist studying the star Alpha Centauri would probably rely on _____ to gather data. A. the Internet B. encyclopedia articl
jeka57 [31]

D. descriptive investigations

Explanation:

A scientist studying the star Alpha Centauri would probably rely on descriptive investigation to gather data.

In descriptive investigation, experiments cannot be performed since the subjects cannot easily be manipulated or they are far too inaccessible. This form of investigation is based on indirect qualitative investigation of a phenomenon.

  • Alpha Centauri is a distant star several light years away from the vicinity of the scientist.
  • The best way to investigate this distance body is to make inferences from the evidence gathered from observatory stations using telescopes.
  • Astronomers can collect different information and give vivid description of the distant start.
  • It is highly impossible to make comparisons and alter variable in this kind of investigation.

learn more:

experiment brainly.com/question/5096428

#learnwithBrainly

4 0
3 years ago
The more similar the DNA sequences of two species are, the more closely related the species are. Please select the best answer f
erica [24]
Alright my friend the answer to your question will be true let's put an example in to inform why it is alright so say you and your cousin look a like that's because the genetics are similar but not exactly the same
6 0
3 years ago
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