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Ray Of Light [21]
3 years ago
15

A pregnant woman's energy requirements increase by about ______ in the last two trimesters.

Biology
1 answer:
Leviafan [203]3 years ago
5 0
A pregnant woman's energy requirements increase by about 350 to 450 kcal per day in the last two trimesters. Dietary intake during pregnancy must provide the energy that will ensure the full-term delivery of a healthy newborn baby of adequate size and appropriate body composition. This explains why there is an increase in energy requirements in the last two trimesters.
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In an ________ solution, red blood cells ________. Group of answer choices hyposmotic, lose water and shrivel isomotic, have a n
lozanna [386]

\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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Deep currents ...

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