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Nikolay [14]
2 years ago
9

Osmotic pressure is created by the presence in a fluid of small diffusible molecules that easily move through the capillary memb

rane. true false
Biology
1 answer:
Wewaii [24]2 years ago
3 0

Answer:

The statement is False

Explanation:

Osmotic pressure is created by the movement of water across the semi-permeable membrane. In osmosis water moves from an area which is having low solute concentration to the area which is having high solute concentration.  

So in osmosis, the movement of water takes place not molecules. This pressure is caused by differences in solute concentration across the plasma membrane and water moves to high concentration to equalize the pressure. Therefore the statement is wrong.

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In a lab about the activity series, a solution of copper(II)chloride is placed in a test tube with zinc metal. If zinc is higher
Tcecarenko [31]

Answer:

Option D, Zinc is higher on the activity series because there is clear evidence of a reaction.

Explanation:

It is very clear that a metal which is higher in activity will replace a metal having lower activity.  

Since, Zinc has higher activity than copper, it is very sure that it in a copper chloride solution it will replace copper and produce zinc chloride solution leaving behind copper as residue.  

Residues of copper is a clear evidence of reaction  

The chemical equation for this reaction would be -

CuCl_2 + 2Zn^+ -----> 2ZnCl + Cu^{2+}

Hence, option D is correct

5 0
3 years ago
How to explain natural selection?
loris [4]
Natural selection is basically when organisms with the best traits survive and pass on their good traits to their offspring so that they will adapt easily and survive. Organisms who do not have ‘good traits’ that help them adapt and escape predators will be killed or eaten before they reproduce.
So in the end, natural selection is a form of evolution that allows the ‘fittest’ animals to survive and reproduce, while weeding out the unfit.
8 0
3 years ago
Cellular respiration allows organisms to release the energy stored in the chemical bonds of glucose, C6H12O6. The energy in gluc
madam [21]
Aerobic cellular respiration, glucose is metabolised in the presence of oxygen and leads to the formation of energy as a main product. the by products are carbon dioxide and water. The process takes place in four phases: glycolysis, pyruvate oxidation, citric acid cycle, and oxidative phosphorylation.
7 0
3 years ago
Read 2 more answers
Plagiarism Global plagiarism Incremental plagiarism Patchwork plagiarism A. using bits and pieces of other sources and passing i
nikklg [1K]

Explanation:

1. Using bits and pieces of other sources and passing it off as one’s own work

Patchwork plagiarism

In patchwork plagiarism, an author uses bits from other people's works and pass it off as their own.

2. Passing off another person’s work as one’s own

Plagiarism

The act of passing off another person's work as one's own is called plagiarism. It is a very serious offence

3. Passing off the entire work of another person as one’s own

Global plagiarism

Global plagiarism is the complete passing off of another person's own.

4. When most of the work is one’s own, but uncited sources are used

Incremental plagiarism

Here an author fails to cite the sources where he/she obtains information from.

Learn more:

Plagiarism brainly.com/question/2623994

#learnwithBrainly

7 0
3 years ago
Fill in the blanks: The original organism is called the _____________, and new organisms are called the _____________.
NARA [144]

Answer:

The original organism is called the <u><em>parent (ancestor)</em></u> , and new organisms are called the <u><em>offspring</em></u>.

Explanation:

Reproduction is one of the characteristics of life. Every living organism tends to give rise to another organism. The organism which gives rise to another organism is termed as the parent. The organism which is born is known as the offspring.

There are two basic methods of reproduction. An organism can give rise to another organism by the method of asexual or sexual reproduction.

During asexual reproduction, identical copies of the parent organism are made. During sexual reproduction, two organisms reproduce to produce non-identical offsprings.

8 0
3 years ago
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