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nasty-shy [4]
3 years ago
10

What factors are required for cloning?

Biology
2 answers:
anygoal [31]3 years ago
5 0

Answer: Option A. "DNA (genes)"

Explanation:

Cloning is defined a process to create clones or copies of DNA fragments either naturally or artificially.

DNA is a basic required factor for cloning in both natural and artificial cloning. In the process of cloning amplification of DNA fragments takes place and majorly used to make multiple copies of amplified DNA.

The process of cloning starts with the breaking of DNA strand (fragmentation) followed with the attachment of pieces of DNA together in required sequence (litigation), after litigation new pieces of DNA are allowed to insert into the cells (transfection) and at the end successfully transfected cells are selected (screening).

Hence, DNA are required factor for cloning.

lianna [129]3 years ago
3 0

Well in my learning you most commonly need A. DNA genes for cloning. You need this because starting from non life works but you could clone a dog a few weeks before its death or even years in advance. However, in my opinion I think cloning is a very sick and twisted thing! playing God is bad and extremely devilish!

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What are the advantages of having perforated walls among the vessel elements?
Brilliant_brown [7]

Answer:

It allows rapid conduction of water from one vessel element to the next.

Explanation:

Vessels are one of the two types of conducting cells of xylem. Vessels are made of vessel elements. Vessel elements are the individual cells with perforation plates. The perforation plates have large holes (perforations). Perforation plates of adjacent vessel elements allow easier conduction of water from one vessel element to the next.

The perforated end walls of vessel elements allow these conducting cells to conduct water more readily than tracheids. Stacking of vessel elements with perforated end walls make the vessel like a water pipe through which water is being readily conducted.

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4 years ago
Ok so I found a lot of these in my room and now they’re all dead and I have no idea what kinda bug it is so if you know what it
EastWind [94]

Answer:

Hi! its a black beatle

Explanation: look up "black beatles bug"

7 0
4 years ago
BRAINLIEST!!! WRONG/ABSURD ANSWER WILL BE REPORTED
Rainbow [258]
<h3>♫ - - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - ♫</h3>

➷ Deforestation can contribute to global warming. Trees take in the carbon dioxide in the atmosphere, therefore, removing these would mean there is more carbon dioxide in the atmosphere. Also, growing certain things can release more greenhouse gases into the atmosphere. For example, rice cultivation releases methane into the atmosphere. Furthermore, growing livestock would increase methane emissions. This would mean the global temperature would increase due to global warming.

b) Permacultures may be used. These mimic natural processes and create sustainable and self - sufficient ecosystems. Another method would be stacking. This is where more things are grown in a given space. The plants would absorb more carbon dioxide from the atmosphere.

<h3><u>✽</u></h3>

➶ Hope This Helps You!

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7 0
3 years ago
A) What type of cells express pattern recognition receptors (PRRs)? B) What is the primary role of PRRs in early host defense?
dimulka [17.4K]

Answer:

A) Dendritic cells and macrophages, although they are also found in other cells that belong, or not, to the immune system.

B) The innate immune response

Explanation:

The immune system is equipped with specialized receptors for the detection of pathogens such as bacteria or viruses, which are called receptors that recognize patterns (PRRs). These proteins are a key element in the innate system and are expressed primarily in antigen presenting cells, such as <u>dendritic cells and macrophages, although they are also found in other cells that belong, or not, to the immune system.</u>

<u> The innate immune response</u> begins with the recognition of highly conserved molecular structures and present in large groups of microorganisms called 'molecular patterns associated with pathogens' (PAMP). This recognition is done by the 'pattern recognition receptors' (RRP) of the host.

The best known bacterial PAMPs are:

Lipopolysaccharides (LPS)

Peptidoglucan

Lipoteic Acids

Mananas (Mannose )

Bacterial DNA

Double stranded RNA

Glucans

These PAMP are essential for the survival and pathogenicity of bacteria.

3 0
3 years ago
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Nadusha1986 [10]

PO4 -3 is actually the answer

4 0
3 years ago
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