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Drupady [299]
3 years ago
14

What is the functions of DNA?

Biology
2 answers:
Dmitry_Shevchenko [17]3 years ago
3 0

DNA <em>contains genetic instructions for living things! </em>

More specifically, there are 3 main functions of DNA

1. to make proteins (also RNA)

2. to assist mutations!

3. To exchange the genetic material of parental chromosomes during meiotic cell division.

umka2103 [35]3 years ago
3 0

Answer: DNA is a genetic code of life

Explanation:DNA has a genetic material that is transfer from parents to offspring ..it play a role in the inheritance today. Genetic engineering technology are use to made vaccine with DNA and use in many other purposes

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Which two microscopes generate three-dimensional images? scanning electron microscope and scanning tunneling microscope transmis
k0ka [10]

The correct answer is scanning electron microscope and scanning tunneling microscope.  

The SEM refers to a kind of electron microscope, which generates three-dimensional images of a specimen by scanning the surface with a focused beam of electrons. The electrons associated with the atoms in the specimen, generating different signals, which comprise data regarding the composition of the specimen and the surface topography.  

An STM refers to an apparatus for imaging three-dimensional image surfaces at the atomic level. In this, good resolution is regarded to be 0.01 nm depth resolution and 0.1 nm lateral resolution.  

The STM can be utilized not only in a high-ultra vacuum but also in water, air, and numerous other gas or liquid ambient, and the temperatures spanning from 1000 degree Celsius to zero Kelvin.  


8 0
3 years ago
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Because the Earth is tilted on its rotational axis, both the Northern and Southern Hemispheres experience seasons. As the Earth
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Answer:

b

Explanation:

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Part D-Relationship of allele behavior to meiosis During which part of meios s (mesoses Ⅰ or meiosis ll) do the two alleles of a
katen-ka-za [31]

Answer:

The correct answer will be- Meiosis I, anaphase I

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Alleles are the variant alternative forms of a gene which determines the trait of an organism. The trait or phenotype is expressed only when the two alleles controlling a single trait on separate chromosomes are aligned in a complementary position.

During gamete formation, the alleles controlling a trait segregate independently of each other. This segregation of alleles takes place during Anaphase I of meiosis I. During anaphase, the sister chromatids are separated by the mitotic spindles so that the chromosomes can reach the opposite poles.

Thus, Meiosis I, anaphase I am the correct answer.

7 0
3 years ago
Compared to unmyelinated axons, myelinated axons?
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A. Conduct impulses faster.

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Myelinated axons are called that way due to the myelin sheath that surrounds them. Myelin has an insulation property so electrical impulses cannot travel through it, except on certain sites called Nodes of Ranvier. In order for electrical impulses to be conducted on myelinated axons they must "jump" from one Node of Ranvier to the next, and thus conduction is faster. This is called saltatory conduction.

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it's C

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