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densk [106]
3 years ago
11

Students use a microscope to look for structures present in four different cells. The students placed an X for each structure th

at was viewed for each cell on the table shown.
Which cell that was viewed is most likely a prokaryote?

Cell W
Cell X
Cell Y
Cell z

Biology
1 answer:
timama [110]3 years ago
3 0

Answer:

cell x

Explanation:

This is because prokaryotes have no nucleus: their DNA is a single molecules free in the the cytoplasm. Prokaryotes have a cell wall and membrane

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A disease called phenylketonuria causes mental problems, reduces skin pigmentation, and also affects the coloration of urine. Wh
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Answer:

Pleiotropy

Explanation:

Pleiotropy is a genetic condition in which a single gene conditions the expression of multiple phenotype. There are different types of pleiotropy depending on the underlining mechanism

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<em>Phenylketonuria is a disease characterized by increased level of amino acid phenylalanine in the blood. It caused by mutation to the gene responsible for breaking down phenylalanine in the blood. Elevated level of phenylalanine causes other issues such as mental problems, urine coloration and reduction in skin pigmentation. This is a clear case of pleiotropy.</em>

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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.

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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.

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Answer: Popular and self-Assured

Explanation:

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