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rodikova [14]
3 years ago
12

Microfilaments are made from a ball-shaped protein called _____.

Biology
2 answers:
Tom [10]3 years ago
6 0
The correct answer is actin. Microfilaments are made form a ball-shaped protein called actin. These actins are globular proteins who are the ones responsible for the formation of microfilaments. It is mostly found in the eukaryotic cells. 
mel-nik [20]3 years ago
3 0

The answer is to this question is Actin

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If genetic drift is occurring you will be able to predict which allele will become more prevalent.
Blizzard [7]

Answer:

b. False

Explanation:

Genetic drift corresponds to a drastic casual alteration of the natural order, reaching the genotypic concentration of one or several species, not preliminarily involving natural selection factors, but caused by sudden events. As happens at random, it is impossible to predict which allele will be prevalent in a population suffering from genetic drift.

Such phenomenon is characterized by the occurrence of ecological catastrophes, for example: earthquakes, tsunamis, tornadoes, floods, burnings, avalanches and other processes, affecting a large population contingent.

Thus limiting the genetic content of a particular group, restricted to the prevailing individuals. It is up to them, integration into another population, if an adaptation is maintained, or over time, from geographic and later reproductive isolation, constitution of a new species (principle of the founding species).

In this situation, with low variability, differentiated individuals will experience a more significant selection pressure in relation to the ascending lineage, which minimized the achievements of selection due to the high number of living individuals.

During evolution, a hypothesis concerning the decimation of dinosaurs, which occurred around 66 million years ago, establishes not only the end of these animals, but of various life forms (including plants), due to a huge asteroid that would have reached planet, raising a dense cloud of dust resulting from the collision, compromising photosynthetic processes (dependent on solar energy), as well as the respiration and nutrition of organisms.

7 0
3 years ago
Comment on structure location and functions of different types of muscles?
kvv77 [185]

Answer:

muscle tissue are cardiac, smooth, and skeletal. Cardiac muscle cells are located in the walls of the heart, appear striated, and are under involuntary control.

Explanation:

Skeletal muscle moves bones and other structures. Cardiac muscle contracts the heart to pump blood. The smooth muscle tissue that forms organs like the stomach and bladder changes shape to facilitate bodily functions.

7 0
3 years ago
Net ___ productivity is the rate at which producers biomass is formed.
Kipish [7]
Net Primary Productivity.
7 0
3 years ago
Read 2 more answers
Essay on life of trees
Alika [10]

Answer:

hi hope this helps

Explanation:

Trees are our best friends because they clean the air we breathe. Likewise, they also clean the water and soil and ultimately make the earth a better place. It is also a fact that people who live near trees are healthier, fit, and happier than people who do not.it is our responsibility to look after our friends who serve us in many ways. Most importantly by saving plants, we are not doing any favor to plants but to ourselves only. Because trees and plants life does not depend on us but our lives depend on them.Trees are important to us in a lot of ways and we cannot ignore their importance. They are important because they give us fresh air to breathe, food to eat and shelter/shade from sunlight and rainfall. Besides this, there are many medicines in the market that are made up of trees extracts. Apart from this, there are plants and trees that have medicinal value.

They bring peacefulness; create a pleasing and relaxing environment. Also, they help in reflecting the harmful rays of the sun and maintaining a balanced temperature. Besides, they also help in water conservation and preventing soil erosion. They also manage the ecosystem and from ancient times several varieties of plants are worshipped.

Trees provide us many benefits some of which we can’t see but they make a huge difference. They help in fighting back the climate changes by absorbing greenhouse gases which are the main cause of climate change.

Moreover, they replenish groundwater and filter the air from harmful pollutants and odors. Besides, they are a great source of food and the king of fruits ‘Mango’ also grow on trees.When a seed of a plant or tree grow it makes the area around it greener. Also, it supports many life forms. Birds make their nests, many reptiles and animals live on it or near it.

Besides, all these many beautiful flowers, food growing on it. Moreover, many parts of trees such as roots, leaves, stem, flower, seeds, are also edible. Most importantly they never ask anything in return for their services and the gifts they give. Trees also keep the balance in the ecosystem and ecology.

To conclude, we can say that trees are very important and beneficial for every life form on earth. Without them, the survival of life on earth will become difficult and after some time every species starts to die because of lack of oxygen on the planet. So, to save our lives and to survive we have to learn the importance of trees and also have to teach our children the importance of trees.

6 0
3 years ago
Read 2 more answers
Next, Morgan crossed the red-eyed F1 males with the red-eyed F1 females to produce an F2 generation. The Punnett square below sh
snow_tiger [21]
When a homozygous red-eyed female was crossed with the white-eyed male (w+w+ × wY), the resulting F1 females were w+w and the F1 males were w+ Y. Crossing the F1 males and F1 females would yield these results:

<span>All the F2 females would have red eyes, although some would be homozygous (w+w+ ) and others would be heterozygous (w+w). </span>

<span>Half the F2 males would have red eyes (w+ Y), and half would have white eyes (wY).</span>
6 0
3 years ago
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