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kondaur [170]
3 years ago
11

Why are cells considered a necessary precursor to life?

Biology
2 answers:
SVETLANKA909090 [29]3 years ago
8 0

Answer:

A cell is considered as the structural and functional unit of life that is life cannot exist without a cell. It is also considered the basic level of organization of life.

A cell include all the structural components like:

1. Genetic material- which can be inherited,  

2. Organelles- performing specific functions like mitochondria (powerhouse), ER (protein synthesis).  

3. Proteins- which perform metabolism and provide structure to an organism.

4. Cytoskeleton- to provide structural support.

5. Cell membrane- which encloses all these components required for life.

All these structural components work in a coordinated manner to perform various functions from metabolism to energy production.

Thus, a single cell has the ability to start a life.

Leokris [45]3 years ago
6 0
Cells are called as the basic unit of life. The simplest forms on earth are bacteria and they are made of a single cell. Cells make up the smallest level of a living organism such as yourself and other living things. A cell called as the necessary precursor of life because the cellular level of an organism is where the metabolic process happens that keep the organism alive. 
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How is the blending theory of inheritance useful in genetics?
makkiz [27]

Charles Darwin's theory of pangenesis, in which every part of the body contributes to an egg or sperm, implied blending inheritance. Darwin's theory of natural selection was founded on the premise that blending inheritance would average out any novel beneficial trait before selection could act.

<h3>What is blending inheritance?</h3>

Blending inheritance is an outmoded biological theory from the nineteenth century. According to the theory, children inherit any characteristic as the average of their parents' values for that characteristic.

As an example, a cross between a red flower variety and a white variety of the same species would result in pink-flowered offspring.

Charles Darwin's theory of pangenesis, in which every part of the body contributes to an egg or sperm, implied blending inheritance.

Darwin's theory of natural selection was founded on the premise that blending inheritance would average out any novel beneficial trait before selection could act.

Thus, this can be the importance of blending inheritance.

For more details regarding blending inheritance, visit:

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8 0
2 years ago
Which organizm is most specialized?
ELEN [110]
The most specialized organism is the GRIZZLY BEAR. Specialized animals refers to those animals, which have different types of cells in their body which carry out different types of functions.
4 0
2 years ago
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What is extinction ?
ASHA 777 [7]

Answer:

the fact or process of a species, family, or other group of animals or plants becoming extinct.

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extinct means the disappearance of something meaning it is no longer alive or reproducible

4 0
2 years ago
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sergejj [24]

Answer:

There is no diagram but

It would be A if you were looking at the endoplasmic reticulum (ER).

It would be B if you were looking at a mitochondrion.

I do not remember what C is, so if it is not the ER, Golgi apparatus, or the mitochondrion, it is most likely C.

It would be D if you were looking at a Golgi apparatus

8 0
3 years ago
Can anyone give me an example for Hydrotropism?
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The growth or tuning of plant root toward or away from moisture
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