There are two types.

• Palindromes that occur on opposite strands of the same section of DNA helix. 5′ GGCC 3′ 3′ CCGG 5′
• Inverted Repeats. In these cases, two different segments of the double helix read the same but in opposite directions. 5′ AGAACAnnnTGTTCT 3′

Answer. – A palindromic sequence is a nucleic acid sequence wherein reading in 5′ to 3′ direction is always the same on both strands in a double helix of DNA/RNA. – For example, 5′-GGATCC-3′.

The palindromic sequence is a certain sequence of the DNA that reads the same whether read from 5′ → 3′ direction or from 3’→ 5’direction. They are the site for the action of restriction enzymes. Most restriction enzymes are palindromic sequences.

A DNA locus whose 5′-to-3′ sequence is identical on each DNA strand. The sequence is the same when one strand is read left to right and the other strand is read right to left. Recognition sites of many restriction enzymes are palindromic.

A palindromic sequence is a nucleic acid sequence in a double-stranded DNA or RNA molecule wherein reading in a certain direction (e.g. 5′ to 3′) on one strand matches the sequence reading in the opposite direction (e.g. 5′ to 3′) on the complementary strand.

A palindromic sequence is a sequence made up of nucleic acids within double helix of DNA and/or RNA that is the same when read from 5′ to 3′ on one strand and 5′ to 3′ on the other, complementary, strand. It is also known as a palindrome or an inverted-reverse sequence.

For a nucleotide sequence to be considered as a palindrome, its complementary strand must read the same in the opposite direction [2]. For example, the sequence 5′-CGATCG-3′ is considered a palindrome since its reverse complement 3′-GCTAGC-5′ reads the same. Palindromes can be exact or approximate.

Most restriction enzymes recognize palindromic sequences, meaning that both strands of DNA will have the same sequence when read 5′ to 3′. For example, the sequence ATTGCAAT is palindromic. As we cut both the DNA fragment containing our gene and the plasmid with the same enzyme, sticky ends form in each of them.

A palindromic sequence is the same backwards and forwards on both sides (see image below). This means that the enzyme recognizes the sequence no matter from which side the enzyme approaches the DNA. A palindromic sequence also increases the chance that both strands of DNA are cut.

2 Answers. A palindromic stretch of DNA is a strand whose reverse complement is itself. Those two pieces of DNA are not identical. However, 5′-GGATCC-3′ is palindromic, because the reverse complement is identical.

A palindromic number (also known as a numeral palindrome or a numeric palindrome) is a number (such as 16461) that remains the same when its digits are reversed.

Restriction enzymes cut double-stranded DNA * at specific locations based the pattern of bases found at those locations. These enzymes predictably cut both strands because the sequences they recognize are palindromic. That is the recognition sequences are short string of identical bases on both DNA strands.

A palindromic sequence in DNA is one in which the 5′ to 3′ base pair sequence is identical on both strands. Restriction enzymes recognize and make a cut within specific palindromic sequences, known as restriction sites, in the DNA. This is usually a 4- or 6 base pair sequence.

GTCGAC

Terms in this set (4) A palindromic sequence is a nucleic acid sequence on double-stranded DNA or RNA wherein reading 5′ (five-prime) to 3′ (three prime) forward on one strand matches the sequence reading 3′ to 5′ on the complementary strand with which it forms a double helix.

There are many existing hypotheses for the biological roles of the palindromic DNAs that potentially extrude cruciform DNA structures. Short palindromic DNA sites are often recognized by specific protein dimers such as restriction enzymes, methylases, or other DNA-binding proteins.

What is a palindrome? According to The Oxford English Dictionary the word is based on Greek root words meaning “back” and “running.” Palindromes are words or phrases that read the same backward and forward, letter for letter, number for number, or word for word.

Palindromes are sequences of DNA that are identical when read from the 5′ to 3′ direction on one strand of DNA and from the 5′ to 3′ direction on the other strand.

Some examples of palindromic words are redivider, deified, civic, radar, level, rotor, kayak, reviver, racecar, madam, and refer. There are also word-unit palindromes in which the unit of reversal is the word (“Is it crazy how saying sentences backwards creates backwards sentences saying how crazy it is?”).

Suppose, for example, that the enzyme EcoRI cuts open the plasmid in such a nonessential area. EcoRI recognizes the sequence GAATTC, and cuts both DNA strands between the G and the A nucleotides.

Exogenous DNA is DNA originating outside the organism of concern or study. The introduction of exogenous DNA into a cell is called transformation (transfection in animal cells). This can take place naturally or artificially.

Nucleotide sequence analysis of the plasmid within the membrane vesicles revealed 48 potential protein coding regions and an origin of DNA replication. None of these proteins showed any similarity to viral stuctural proteins, leading the authors to conclude that these particles are not viruses.

How many DNA molecules are transferred after each transformation? Explanation: Each transformation results from the transfer of a single DNA molecule of double-stranded DNA. 7.

Naked DNA refers to DNA that is not associated with proteins, lipids, or any other molecule to help protect it. Naked DNA is the result of release of genetic information into the surrounding environment, such as from bursting cells. The incoming DNA is sometimes incorporated into the bacterial genome following uptake.

Genetic vaccines, sometimes called naked-DNA vaccines, are currently being developed to fight diseases such as AIDS. The goal of these vaccines is to use a gene from a pathogen to generate an immune response. A gene contains the instructions to create a protein.

Conjugation is the conversion of genetic material between two bacterial strains via the conjugation tube. Transformation is the transition of genetic material from one bacterial strain to another without direct interaction. In this, the naked DNA is taken by the bacteria.

What are three tasks that DNA must be able to perform in all organisms? It must store genetic information, instruct cells to produce needed molecules, & copy itself.

Amazing bacteria Bacteria are incredibly versatile organisms that have the unique ability to take in foreign DNA and replicate (or copy) it. This gives them an evolutionary advantage and helps them survive changes in their environment. For example, bacteria can acquire DNA that makes them resistant to antibiotics.

A plasmid is a small, circular, double-stranded DNA molecule that is distinct from a cell’s chromosomal DNA. Plasmids naturally exist in bacterial cells, and they also occur in some eukaryotes. Often, the genes carried in plasmids provide bacteria with genetic advantages, such as antibiotic resistance.

The five main types of plasmids are fertility F-plasmids, Col plasmids, virulence plasmids, degradative plasmids, and resistance plasmids. All plasmids are made up of DNA.