Can someone put this sentence into more basic terms?

Question

I have to summarize an article as part of a grade 11 Bio assignment, and here's a section in my article:

"Within five days of removing 20 percent of an adult zebra fish heart ventricle, undifferentiated progenitor cells begin to line the injured area and turn into cardiac muscle cells, which grow and divide, building new heart muscle"

I need to put this sentence into my own words, in pretty basic terms. So...I'm not exactly sure what this sentence even means...so if someone could explain it to me (since I'm Biology-Impared) then it would be a big help =)

Answer 1

"Within five days of removing 20 percent of an adult zebra fish heart ventricle, undifferentiated progenitor cells begin to line the injured area and turn into cardiac muscle cells, which grow and divide, building new heart muscle."

Basically, you remove 20% of the ventricle of the heart of this animal. A ventricle is like a room of the heart. So if you take away material from the heart, it becomes injured and has to heal.

"Undifferentiated progenitor cells" are something the zebra fish's body produces to regenerate its heart. "Undifferentiated" means it doesn't have a specific cell type; it's just a regular cell. It doesn't have a specific purpose yet. "Progenitor" means something that creates or gives birth to something else, so a "progenitor cell" is something that creates new tissue.

So, after cutting away 20% of this part of the heart, these generic cells line it like a band-aid or scab. They then turn into actual heart cells, grow and divide, and build new heart muscle. They're just replacing the removed tissue to heal the heart.

Answer 2

all you have to do is look for the meaning of "undifferentiated",and "progenitor cells." That's the only words there that are more scientific.

To give you an idea what "undifferentiated" means, well.. it means having no special structure or function.

Progenitor cells are precursor cells. They are cells from which other cells originate.

I hope this will help you...

Answer 3

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Answer 4

You have to put this sentence into your own words ... so you want someone else's words??

Nuh uh. The sentence is fairly self explanatory. Read it a few times, break it down and study it ... then write it in YOUR words.

Answer 5

It's very straight forward ... use your biology textbook or go online to get the definitions of the words you are unsure of and go from there.