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Jlenok [28]
3 years ago
12

Consider how lettuce or spinach placed in water becomes firm and crisp. Use what you have learned about cell membranes to explai

n this observation.
Biology
2 answers:
Rzqust [24]3 years ago
8 0
The cell membranes of the plants and other organisms are semi - permeable. This means that they allow other substances to get in and out while ban others. In this item, placing lettuce or spinach in water, allow water to get into the cell through the process called pinocytosis or "cell drinking". This process makes the leaves crispy. 
Andre45 [30]3 years ago
6 0

Placing lettuce or spinach in water allows water to get into the cell through the process called osmosis, which is basically the facilitated diffusion of water. The water diffuses into the spinach or lettuce, making them crispy.

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Most narcotics are:
Aloiza [94]

Answer:

ALL OF THE ABOVE

Explanation:

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2 years ago
PLEASE HELP ME!!! I NEED THIS SO I CAN PASS MY CLASS AND I ONLY HAVE TEN MINS LEFT!!!! I WILL MARK BRAINILIST!!!
Verdich [7]

Answer:

Coal.

Explanation:

Steam power plant has the lowest efficiency in electricity production which can only be run with the use of fossil fuels such as coal. The efficiency of this power plant is the lowest because large amount of coal is converted into smoke and other gases and very less amount of coal into heat energy. This coal is used to produce heat energy which can be used in the heating of water to produce steam. This steam is used to move turbines which turn mechanical energy into electric energy.

4 0
3 years ago
What happens to air pressure as altitude decreases?
Makovka662 [10]

Answer:

B. air pressure increases

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Think of it like this, the lower you are, the more air is above you. The higher ur elevation, the less air above you. I hope this can help!

6 0
3 years ago
Read 2 more answers
In horses, Chesnut hair color is recessive to black. The pacing gait is recessive to trotting and long hair is recessive to shor
Vitek1552 [10]

9:3: 3:1  is the phenotypic ratio showing traits as black and long hair : black and short hair: chestnut and long hair: chestnut and short hair when a chestnut horse heterozygous for pacing and hair length with a hybrid horse.

Explanation:

Dominant trait = black hair colour (BB,Bb), trotting (TT,Tt) , long hair (LL,Ll)

recessive trait = chesnut hair colour (bb), pacing gait (tt), short hair(ll)

cross between chestnut horse heterozygous for pacing and hair length will have alleles as BbLl

alleles for hybrid horse will also be heterozygous Bb, Ll

Punnett square to show the cross:

      BL         Bl       bL         bl

BL  BBLL  BBLl     BbLL    BbLl

Bl   BBLl    BBll     BbLl      Bbll

bL  BbLL  BbLl      bbLL     bbLl

bl    BbLl  Bbll       bblL        bbll

phenotype ratio

black and long hair : black and short hair: chestnut and long hair: chestnut and short hair

9:3: 3:1  is the phenotype ratio.

3 0
3 years ago
1. Describe the first step in the digestive process. Why is it important?
monitta
The breaking down of food in the mouth is the first step of the digestive process, It’s important because the food gets broken down into a form that can be absorbed and used.
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3 years ago
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