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A DNA probe is a single-stranded DNA sequence used to detect complementary sequences, whereas a primer is a short single-stranded DNA sequence used to initiate DNA synthesis during PCR. Probes are used to identify specific sequences in a sample, while primers are used to amplify a specific target sequence.
The complementary base pairing between adenine (A) and thymine (T), and cytosine (C) and guanine (G) allows a single-stranded DNA probe to hybridize with a single-stranded target gene. This specificity is key for detecting and identifying specific sequences in the target gene through base pairing interactions.
Diploid cells
The probe is the second strand of DNA that forms double-stranded DNA with the target gene.
a DNA molecule has two paired strands. ~
Complementary base pairing is the property of DNA that allows for the specific binding of a single-stranded DNA target gene to its complementary sequence. This pairing between nucleotides enables researchers to identify and isolate the target gene using techniques such as hybridization and PCR amplification.
Space probes are classified based on their mission's target or the mission's type. Target classifications include lunar, solar, planetary, or interplanetary probes. Mission types include flyby, orbiter, and soft-lander.
Primers are short single-stranded DNA sequences that are used in PCR to anneal to the target DNA and provide a starting point for DNA polymerase to amplify the target sequence. They define the specific region of DNA to be amplified and are essential for the amplification of the target DNA fragment.
Space probes are classified based on their mission's target or the mission's type. Target classifications include lunar, solar, planetary, or interplanetary probes. Mission types include flyby, orbiter, and soft-lander.
Pre-attack probes are reconnaissance activities conducted by hackers to gather information about a target system before launching a cyber attack. These probes can involve scanning for vulnerabilities, identifying potential entry points, and mapping out the network architecture to plan the attack strategy. By conducting pre-attack probes, hackers can better understand the target system's weaknesses and increase the chances of a successful attack.
An aptamer is a short, single-stranded DNA or RNA molecule that can bind specifically to target molecules, such as proteins, nucleic acids, or small molecules. Similar to antibodies, aptamers can be used for various applications, including diagnostics, therapeutics, and research purposes. They are selected through a process called Systematic Evolution of Ligands by Exponential Enrichment (SELEX).
Unitary