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galina1969 [7]
3 years ago
6

If one defines life as the simplest form capable of displaying the most essential attributes of a living thing, one very quickly

realizes that the only real criterion for life is the ability to replicate. Only systems that contain nucleic acids are capable of this phenomenon. This sort of reasoning has led to a new definition of organism:
An organism is the unit element of a continuous lineage with an individual evolutionary history.

Consider the new definition of life. If you were to argue that a virus or a single mitochondria were, in fact, alive based on this definition, you would be ignoring the main tenet of
A) cell theory.
B) endosymbiosis.
C) nucleosynthesis.
D) natural selection.
Biology
2 answers:
OleMash [197]3 years ago
5 0
The answer is the cell theory or A.)
Dmitry [639]3 years ago
5 0

Answer:

The correct answer will be option A.

Explanation:

The viruses which are considered the non-living organisms as they are not composed of cells and mitochondria which are evolved from the endo-symbiotic relationship with cells are also considered not considered a cell.

According to the question, these cells will have life and will be living which completely ignores the most important theory of biology called cell theory given by Schwann and Schleiden. This theory states that cell is the structural and functional unit of life and all living organisms whether unicellular or multi-cellular are made up of cell.

Thus, option A is the correct answer.

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Boundary where two tectonic plates are moving towards each other or colliding
devlian [24]
  1. Boundary where two tectonic plates are moving towards each other or colliding is called convergent boundary.
  2. Layer of Earth made up of the crust and upper mantle is called lithosphere.
  3. Upper part of the mantle is called asthenosphere.
  4. deepest part of the ocean; steep-sided canyon is called Ocean trench.
  5. Boundary where two tectonic plates are moving away from each other is called divergent boundary.
  6. place where one plate gets pushed under another plate is subduction zone.
  7. force that pulls objects towards the Earth is called gravity.
  8. section of the lithosphere that slowly moves over the asthenosphere, carrying pieces of continental and oceanic crust is called plate tectonics.
  9. long, underwater mountain ranges are called mid ocean range.
  10. describes how Earth's plates move and what happens when they interact with each other. The earth's plates move due to tectonic plates interaction.
  11. boundary where two tectonic plates move in opposite directions alongside each other is called transform fault boundary.
  12. idea that the world's land masses are slowing moving over time is refers to as pangae theory.
  13. magnetic qualities "frozen" into rocks when they are formed showing the direction of the magnetic field at that time is paleomagnetism
  14. circulating flow of a gas or liquid due to density differences is called convection.
  15. super-continent made of all the continents that existed millions of years ago is continental drift.
5 0
3 years ago
What age will people start muturing?
Elena-2011 [213]
I dont know #im just a biggener
4 0
3 years ago
Why are groups of small cells better than one large cell at moving material in<br> and out?
Varvara68 [4.7K]

Answer:

Explanation:

Smaller cells, with a larger surface area to volume ratio, are more efficient for diffusing materials in and out because, as a cell grows, the volume grows faster than the surface area.

-sorry if this doesn't help-

4 0
3 years ago
At one time, membrane biologists thought that transport proteins might act by binding a solute molecule or ion on one side of th
Ivahew [28]

Answer:

The process of passage of different molecules, solutes, and liquids, through the phospholipid bilayer in human cells, and really in all animal cells, is highly dependent on a tight coordination between chemical, and thermodynamic balances, that will collaborate in these elements being able to pass, or not pass, through a cell´s membrane, and activate other mechanisms within the cell when their passage is not possible. Unlike what was once believed, that transport proteins were like buses parked at the membrane and waiting to be loaded with molecules to later remove themselves from the membrane and carry their load into the cytoplasm, scientific research has found that this is definitely so, and that transport proteins do not come off the layer to transport  molecules. They are permanently anchored to the membrane and through a series of second messenger systems, energy produced by the passage of certain ions like potassium and sodium, and other such processes, these transport proteins become activated, allow the passage of molecules and change them in such a way that they can be taken into the cell in vesicles, or, they will anchor them to second messengers, who will be responsible for carrying the molecule inside.

From the list of words given and the two sentences down below, which are two reasons why the earlier believed models for transport proteins are not correct would be:

1. Integral membrane proteins are embedded stably in the membrane and protrude from one or both side based on their hydrophobic, or hydrophilic, regions. These sides will not switch because of the disbalance that would be created if the two sides had to be switched chemically to allow them to pass to the opposie sides.

2. For protein to traverse a membrane, movement of its hydrophilic regions through the interior of the membrane would be required, which would be highly endergonic and hence thermodynamically improbable.

5 0
3 years ago
The cells in a cytoplasm of the _ are called _
densk [106]

Answer: The cells in a cytoplasm of the organellesare called cytosol.

Explanation:

8 0
3 years ago
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