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Studentka2010 [4]
4 years ago
6

What are neurons are classified by ?

Biology
1 answer:
Liula [17]4 years ago
3 0
Protons have a pstive charge, neutrons have no charge, electrons have a negative they are all the elements of an atom
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Helppppp meeeeee plsssss
sp2606 [1]

Answer:

Solar eclipse

Explanation:

Solar  eclipse happens when the moon is covering up the sun. As the picture is showing, the moon is covering up the sun and casting a shadow onto the earth.

8 0
3 years ago
Wheat has flowers similar to those in Fig. 5.1, but reproduces by self-pollination. Explain the consequences of self-pollination
Salsk061 [2.6K]

Answer:

The transfer of mature pollen grain from anther of the flower to the stigma of the same flower of the same [species  is called self pollination.

Generally, the transfer of pollen grains by wind,animals,and water  to stigmas is called pollination. It is a means of vegetative propagation which ensures reproduction.

Therefore during self pollination, the same genes are distributed  from one generation to another. Thus genetic purity is ensured. It also ensured reproductive success. because there is little chance of the pollen grain getting lost in transit. It is also certain  a particular plant would always breed true.

Additionally it prevent  the process of transfer of genes in some transgenic crops( rice, maize) where through genetic engineering some genes are introduced in their genome.

The only negative effect is lack of genetic diversity. Therefore after a period of time the plants get  weak and prone to diseases and infection. Because of poor resistant from lack of variation.

Explanation:

4 0
3 years ago
During DNA replication, a DNA strand that has the bases GGTCTA produces a strand with the bases
Colt1911 [192]
Bases would CCAGAT. Hope this helps :)
5 0
3 years ago
What shape (structure) does a DNA molecule have, and who discovered this structure​
solniwko [45]

Answer:

double helix

Explanation:

The double helix is a description of the molecular shape of a double-stranded DNA molecule. In 1953, Francis Crick and James Watson first described the molecular structure of DNA, which they called a "double helix," in the journal Nature.

4 0
2 years ago
Read 2 more answers
According to the theory of _____________, mitochondria in cells today are the descendants of aerobic prokaryotes that used oxyge
Mrac [35]

Answer:

endosymbiosis

Explanation:

The theory of endosymbiosis states that mitochondria in cells are once the descendants of aerobic prokaryotes. These prokaryotes used oxygen in order to generate energy. The mitochondria and the chloroplast are among the most important organelles that support endosymbiosis.

8 0
3 years ago
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