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erica [24]
1 year ago
7

What is the structure and function of genes?

Biology
1 answer:
irina1246 [14]1 year ago
7 0

Structure of genes:

A gene is composed of a nucleotide chain, which is made up of DNA strands. Genes are composed of nucleotides.

DNA consists of A, T, G, and C nucleotides. Hydrogen bonds form with opposite-strand nucleotides, and phosphodiester bonds form with adjacent-strand nucleotides

Nucleotides are composed of nitrogenous bases (A, T, G, and C), phosphate, and pentose sugar

Genes consist of two types of elements: core elements and regulatory elements.

In fact, core sequences or elements play an important role in protein synthesis. Gene expression is maintained by regulatory elements. 

Among the most important elements of DNA are exons. The regulatory elements of a gene are sequences like promoters, enhancers, and silencers.  

Function of genes:

A gene's primary function is to form or manufacture proteins, but it's not the only one. Indeed, it's partially true. 

Some genes do not produce protein even though microRNAs, for example, are tiny ribonucleic acids formed from some genes, but they don't produce proteins. Instead, it regulates gene expression.

A gene carries instructions that determine your features, such as eye colour, hair colour, and height. For each feature, there are several gene variations. 

To know more about  genes refer to:

brainly.com/question/28168605

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What TWO factors do scientists track and monitor in all types of freshwater ecosystem?
ivolga24 [154]

Answer:

A: light availability

B: nutrients

Explanation:

Both nutrients and light availability affect the primary productivity of the freshwater ecosystem, therefore, scientists study both factors to track associated changes. This is because photosynthesis is driven by sunlight and nutrients availability. It is suggested that the abundance of autotrophs (e.g. phytoplanktons) in an aquatic ecosystem increases as light and nutrients availability increase. Thus, there will be more food available for secondary and tertiary consumers to feed upon. Resultantly, the aquatic environment will turn a biodiversity hotspot where many species of living organisms start dwelling. Thus, scientists mainly ecologists would focus on these two parameters at first that lead to consideration of other parameters.

For more information, you may want to read this scholarly article

https://aslopubs.onlinelibrary.wiley.com/doi/abs/10.4319/lo.2006.51.1.0288

5 0
3 years ago
Compare and contrast the structure of the sun with that of the Earth
Arada [10]

Structure of Sun:

The sun has six layers.

Three layers named as

• Corona

• Chromosphere

• Photosphere

These layers comprise the sun’s atmosphere or outer layer.

The other three layers namely

• Connective zone

• Radiative zone

• Core

Comprises the inner layer or part of sun that are not seen.

Structure of earth:

The structure of earth is divided into layers and these layers are both physically and chemically different.

The earth has an outer solid layer called crust, a viscous layer called the mantel, a liquid layer that is outer layer called outer core and solid center called inner core.


8 0
3 years ago
What is the best definition of mutation
statuscvo [17]
Mutations. Definition. A Mutationoccurs when a DNA gene is damaged or changed in such a way as to alter the genetic message carried by that gene. A Mutagen is an agent of substance that can bring about a permanent alteration to the physical composition of a DNA gene such that the genetic message is changed
8 0
3 years ago
Read 2 more answers
Region with depth up approximately 200 m
kotykmax [81]
<span>Region with depth up approximately 200 m

that would be the abyssal zone

hope this helps

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8 0
3 years ago
Spinal traction with metal tongs in the skull is used to treat a fracture of the
adell [148]
The answer to this question would be: vertebrae 

In vertebrae fracture, traction is important to assure immobilization of the vertebrae. Movement can cause the fragment of bone in the fracture damaging the neural tissue in the vertebrae.
To ensure no movement in the neck, metal tongs can be put on the skull. The tongs will help fixate the skull with the shoulder.
4 0
3 years ago
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