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gulaghasi [49]
3 years ago
13

A STUDENT WANTED TO INVESTIGATE THE MOVEMENT OF WATER INTO AND OUT OF CELLS IN POTATOES

Biology
1 answer:
enot [183]3 years ago
3 0
Beacuse the water dissolved the chloride
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if 10 calories of energy are added to 2 grams of ice at negative 30 C calculate the final temperature of the ice
elena55 [62]
Hello.

M*Cp*(T’-Tf)=MCp(T'-T)

M*= Mass of Water. ; M= Mass of ice.

Cp*= Specific heat of water

Cp= Specific heat of ice

T= Temp. Of Ice

T'= Temp. of water

Tf= Equilibrium Temp.


Have  a nice day

8 0
3 years ago
For fertilization to occur in humans, only one sperm is needed to weaken the barrier that surrounds the egg.
photoshop1234 [79]

Answer:

False

Explanation:

Approximately 200 out of 200 million sperms ejaculated during intercourse reach the general vicinity of the egg.  They sperms must undergo capacitation during which dilute inhibitory factors fluids of the female reproductive tract weaken the membrane of the sperm head so that head of the sperm can be broken easily when it came in contact with the egg.

The first sperm to reach an egg isn’t the one to fertilize it because the egg is surrounded by a gelatinous membrane called the zona pellucida. Outside this layer, a layer of small granulosa cells also present.

Therefore, it requires numerous sperm to clear a path through these barriers before one of them can penetrate the egg and fertilize it.

8 0
3 years ago
What is the smallest or most specific level of organization organization you and your neighbors all have in common
bixtya [17]

Answer:

The cell

Explanation:

<em>The smallest or most specific level of organization that all living organisms (including myself and my neighbors) have in common is </em><em>the cell.</em>

This is in accordance with the cell theory which has three basic components, including:

1. The cell is the basic unit of life

2. All living organisms are made up cells

3. Cells arose from pre-exsiting cells.

<u>Other levels of organisation include tissues which are group of cells specialized for a certain function, organs which are group of tissues serving similar function, and systems which are group of organs working together as a unit.</u>

4 0
3 years ago
Where is abdominal injury most likely to occur in young children?
Kazeer [188]

Liver

In pediatric patients, the liver and spleen are very large in proportion to the size of the abdominal cavity and are more easily injured. The soft, flexible ribs of infants and young children do not protect these two organs very well and may allow injury to underlying organs, even without fracturing the ribs.

3 0
3 years ago
Individuals in a species have genetic variation that can be passed on to their offspring
grandymaker [24]

Answer: Genetic variation within a species can result from a few different sources. Mutations, the changes in the sequences of genes in DNA, are one source of genetic variation. ... As a result, the tree-colored moths are more likely to survive, reproduce, and pass on their genes.

Explanation:

8 0
3 years ago
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