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sp2606 [1]
3 years ago
5

The process of single-cell destruction or programmed cell death is known as

Biology
2 answers:
Eva8 [605]3 years ago
8 0

The process of single-cell destruction or programmed cell death is known as apoptosis.

Apoptosis is a type of programmed cell death which occurs in multi-cellular organism in contrast to necrosis which is a kind of cell death occurring due to acute cellular injury. Apoptosis is a well-controlled and programmed process which produces apoptotic bodies or cell fragments that are engulfed by the phagocytic cells and removes them before the spilling of cell content which can damage the surrounding cells.

The initiation of apoptosis takes place by two pathways: intrinsic pathway when the cells kill themselves sensing cell stress and extrinsic pathway when the cells are killed due to the signals obtained from other cells.

blagie [28]3 years ago
7 0
The answer is a) apoptosis
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Penicillin is Choose one: A. produced by a mold and was discovered accidentally. B. a human-designed antibiotic, synthesized to
NeX [460]

Answer:

Option-A

Explanation:

Penicillin is an antibiotic drug that is derived from the fungal species of Penicillium molds especially the<em> Penicillium notatum</em>.  The penicillin acts by disrupting the formation of the cell wall and thus prevents the growth of the bacteria.

The discovery of penicillin was accidental when he was studying the petridish of staphylococcus and he found that due to avoidance while the experiment, molds grew in the petridish.  The area around the mold was clear and clear rings without the bacteria were easily observed. This lead to the discovery of the penicillin compound.

Thus, Option-A is the correct answer.

4 0
3 years ago
A. active transport b. facilitated diffusion c. diffusion d. osmosis e. exocytosis
REY [17]
1)Diffusion
2)osmosis
3)active transport
4)facilitated diffusion
5)diffusion
6)
7)active transport
8)exocytosis
these are the ones i know
3 0
3 years ago
Read 2 more answers
In flowering plants, plasmodesmata are narrow channels through cell walls that connect the cytoplasms of adjacent cells. AN expl
tatiyna

The plant cells communicate across cell walls through Plasmodesmata.

how do plant cells communicate across cell walls?

  • Between tiny channels woven through the walls of neighboring plant cells, plant cells can communicate with one another through channels referred to as plasmodesmata.
  • These channels enable chemicals to move freely between cells, allowing plants to grow regularly and form tissues and organs.
  • However, plasmodesmata also act as entryways that viruses can employ to infect an increasing number of cells.
  • Given these advantages and disadvantages, plants must balance the permeability of their plasmodesmata in order to move materials from one cell to another while preventing the spread of infection.

Learn more about the Plasmodesmata with the help of the following link:

brainly.com/question/6220658

#SPJ4

6 0
2 years ago
What will most likely occur if the population of the world continues to increase at predicted rates?
Brut [27]

Answer:

O There will be more rapid depletion of natural resources.

Explanation:

as more and more humans are born they will need more and more food homes and many other things, but they will eventualy run out.

Please give me brainly (if it is correct which i am certain it is)

6 0
2 years ago
1. In what layer was the first rock formed?​
Anni [7]

Answer: Bottom layer of rock

Explanation:

The bottom layer is the layer of the deposition of the sediments in which sedimentation and cementation occurs to form the rocks. These rocks are formed at the lowest horizon of the soil profile. These rocks are also called bedrocks. The layer present above the rock are younger and the layer at the top is the youngest layer. The older layer at the bottom and the younger layer at the top. This phenomena is called law of superimposition.

8 0
2 years ago
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