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algol [13]
4 years ago
13

Select True or False: Using your knowledge of osmosis or osmotic pressure decide if the following statement is true or false: Wh

en sprinkled with sugar, a dish of sliced fruit will form its own juice
Biology
1 answer:
Inessa [10]4 years ago
8 0

Answer:

True

Explanation:

Osmosis refers to the movement of water particles from a region of low concentration to a region of high concentration.

When sprinkled with sugar, a dish of sliced fruit will form its own juice. This is because the sprinkled sugar has a higher concentration which explains why water moves out from the fruit with a lower concentration to dilute the sugar which has a higher concentration.

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Eye colour in certain cat species is determined by a gene with multiple alleles. Brown eyes (CW) are dominant to green eyes (C N
jeyben [28]

<u>Complete question:</u>

Eye color in certain cat species is determined by a gene with multiple alleles. Brown eyes (CW) are dominant to green eyes (CN) which are dominant to grey eyes (CY) which are dominant to blue eyes (CB).

A. <em>List all the possible genotypes of a brown-eyed cat.</em>  

B. <em>List all the possible genotypes of a grey-eyed cat.</em><em>  </em>

C. Show the chances of obtaining a green-eyed cat from the cross

<u>Answer and Explanation:</u>

You will find the complete answer and explanation in the attached file due to technical problems.

Download pdf
7 0
3 years ago
The experiment that Stanley L Miller and Harold C Urey conducted regarding the origin of life from inanimate matter was conducte
nignag [31]
For giving you understanding ; we need Free O2 but Oxygen is also available in H20 right why dont we use it !!

As the early atmosphere was reducing as there was no free oxygen but it was later produced by chemoautotrophic bacteria !! Living thing release O2 in atmosphere thus making it oxidising in nature and then life evolves !!
4 0
3 years ago
Read 2 more answers
Which of the following would not be among the most important characteristics of chemicals in determining their environmental ris
lozanna [386]

Answer:

C

Explanation: all the others are considered very important in determining a substance so they would also be important for the level of environmental risk

3 0
4 years ago
15. A
Karo-lina-s [1.5K]

Chain reaction

Nuclear energy

Explanation:

Question 1:

Chain reaction:

A reaction in which when one occurs, it starts a series of other fission reaction is called a chain reaction.

Most nuclear reactions are chain reactions in which does not come to rest in one step like chemical reaction.

In nuclear reactions like which fusion and fission, one step leads to another until an atom attains stability or a stable product is formed.

The energy needed to sustain the chain process is produced in the previous reaction.

Nuclear energy:

The type of energy used in a nuclear power plant is called a nuclear energy. Nuclear energy is used to generate power in nuclear plant.

During a nuclear decay process, a huge amount of energy is released. This energy is channeled into electricity production and to do other useful works.

Nuclear energy is classified as a non-renewable source of energy.

learn more:

Non-renewable energy brainly.com/question/2948717

#learnwithBrainly

8 0
3 years ago
Natural selection and genetic drift are two mechanisms of evolution that can lead to speciation. Define both natural selection a
timofeeve [1]
<h2>Evolution </h2>

Explanation:                  

Genetic drift

  • Genetic drift is change in allele frequencies in a population from generation to generation that occurs due to chance events
  • The genetic drift occurs due to random fluctuation of any allele in a gene pool and is more efficient in small population
  • The founder effect and the bottleneck effect are cases in which a small population is formed from a larger population which means they may experience strong drift for generations
  • In founder effect a genotype from a homogeneous gene pool migrate to a newer habitat and colonize there and form a newer community which leads to the genetic drift to the original population, speciation which occurs in this effect is the peripatric speciation
  • In bottleneck effect the elimination of inferior genotype from a homogeneous gene pool occurs due to the strong selection pressure and changing environmental conditions which leads to genetic drift and a only a few most adapted genotype survives and flourish

Natural Selection

  • Natural selection is a selection pressure which operates in a population and allow the best fitted genotype to survive in changing environmental conditions and eliminate the other genotype which are not fit
  • Genetic drift, mutation and sexual selection are important causes of natural selection
  • Directional natural selection favours the superior genotype and eliminate the inferior and intermediate genotype, in the history of evolution the most common natural selection is directional natural selection
  • Stabilizing natural selection favours the intermediate genotype but eliminates the extreme genotype
  • Bidirectional natural selection favours the extreme genotypes but eliminate the intermediate genotypes

5 0
3 years ago
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