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Svet_ta [14]
2 years ago
8

Imagine an artificial cell made with a selectively permeable memo allow sugar to pass. If you fill this cell with a 1% sugar sol

ution and then you place happens?
A) Water leaves the cell.
B) Sugar diffuses in and water diffuses out until equilibrium is reached.
C) Water does not leave or enter the cell.
D) Water enters the cell.
Biology
1 answer:
user100 [1]2 years ago
5 0

Answer:

Option C, Water does not leave or enter the cell.

Explanation:

It is given that the membrane is selectively permeable which means that it will allow passage of intended solute but will not allow passage of any other solute or substance through it.

Here, the artificial cell membrane is allowed to pass sugar thus only sugar will pass through it and no any other substance. Therefore, water will neither move out nor water from outside will be allowed to move inside.

hence, option C is correct

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Answer:

<h3>All the plants are autotrophic because they can prepare their own food using photosynthesis.</h3>

Explanation:

Animals & fungi are not autotrophic because they can not perform photosynthesis. In order to perform photosynthesis they should contain photosynthetic pigment i.e. chlorophyll. These are absent in animals & fungi. Apart from this animals & fungi have reserve food materials in the form of glycogen on the other hand plants stores the food in the form of starch. Animals & fungi lacks chloroplast.

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2 years ago
Sleep may decrease activity of neurons associated with ________, suggesting an important cognitive benefit of sleep
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Greg and Andrea are trying to find out how long it takes amylase, a digestive enzyme found in saliva, to break down a sample of
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Take consistent amounts of their saliva samples with varying amounts of starch . (A.)

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Define groundwater, and list some anthropogenic (human) sources of groundwater pollution. Why do many scientists consider ground
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Explanation:

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Some anthropogenic sources of groundwater pollution are

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  • Nitrates.
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8 0
2 years ago
In clover plants, the pattern on the leaves is determined by a single gene with multiple alleles that are related in a dominance
igomit [66]

Answer:

The correct answer is -

a. 7

b. 7 (p1p1, p1p2, p1p3, p1p4, p1p5, etc

c. p7 is abundant

Explanation:

According the question the dominance of the big leaves is p7 > p6 >p5 >p4 >p3 >p2 >p1 where 1 represent least dominance and 7 represent most dominance  

let represent the phenotype with the numbers 1 to 7 and genotype with a combination of these numbers so the genotype in respect of phenotype would be :

p7p7,p7p6, p7p5, p7p4, p7p3, p7p2, p7p1 - most dominant 7

p6p6, p6p5, p6p4, p6p3, p6p2, p6p1 - 6

p5p5, p5p4, p5p3, p5p2, p5p1 - 5

p4p4, p4p3, p4p2, p4p1 - 4

p3p3, p3p2, p3p1 - 3

p2p2, p2p1 - 2

p1p1- 1 least dominant

Thus, there are 28 different combinations or patterns of genotypes. 7 phenotypes patterns.

6 0
2 years ago
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