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EastWind [94]
3 years ago
14

HELP HELP HELP WHATS 1+1 IM STUCK ITS SO HARD PLEASE HELP ME QUICK

Biology
1 answer:
Blababa [14]3 years ago
3 0
Okok i think it is 2 but like i might be wrong so dont get mad at me if its wrong
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it increases the viewing size.

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Function of microscope is used to enlarge organisms for better look

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4 years ago
In an ________ solution, red blood cells ________. Group of answer choices hyposmotic, lose water and shrivel isomotic, have a n
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\large{ \boxed{ \bf{ \color{skyblue}{The \: correct \: question:}}}}

Q. In an ________ solution, red blood cells ________. Group of answer choices:

  • Hyposmotic, lose water and shrivel
  • Isomotic, have a normal shape ✔️
  • Isosmotic, swell and may burst
  • Hyperosmotic, have a normal shape
  • Isosmotic, lose water and shrivel

\large{ \boxed{ \bf{ \color{violet}{The \: correct \: answer:}}}}

In an <u>isosmotic</u> solution, red blood cells <u>have</u><u> </u><u>normal</u><u> </u><u>shape</u><u>.</u>

Option B

<h3><u>Explanation:-</u></h3>

Osmosis : The movement of the <u>solvent</u> or <u>water</u> molecules from a solution of their higher concentration to a solution of lower concentration through a <u>semipermeable membrane.</u>

❍ Depending upon the <u>osmotic concentration,</u> There are three types of solution and their result when cell is keot inside them:

  • Hyposmotic (Water enters, Swells up)
  • Isosmotic(Equal flow, No change)
  • Hyperosmotic(Water comes out, shrinkage)

<u>━━━━━━━━━━━━━━━━━━━━</u>

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3 years ago
Conventional genetic analyses of prions involving rrna sequences are impossible because?
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Conventional genetic analyses of prions involving rrna sequences are impossible because Prions do not contain nucleic acids

The name "prions" refers to aberrant, pathogenic agents that are transmissible and capable of inducing improper folding of specific normal cellular proteins known as prion proteins, which are abundant in the brain.

Prions are virus-like creatures that contain a prion protein. These elongated fibrils (green) are thought to be protein aggregations from the infectious prion. Prions cause neurodegenerative brain illness by attacking nerve cells. Symptoms of "mad cow" include glassy eyes and uncontrollable bodily trembling.

Prion disorders develop when normal prion protein, which is found on the surface of many cells, becomes aberrant and clumps in the brain, causing harm to the brain.

To learn more about prion please visit -
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