This is the content of the pop-over!
  
Exam Edge Dark Logo Exam Edge Dark Logo
Business
Healthcare
Education
World


Recent Searches
Try searching for



HESI A and P, Bio, Chem Practice Tests & Test Prep by Exam Edge - Exam Info



** Sample images, content may not apply to your exam **


The more you know about the HESI A and P, Bio, Chem exam the better prepared you will be! Our practice tests are designed to help you master both the subject matter and the art of test-taking to be sure you are fully prepared for your exam.

Here are a few things to think about:

  • What is the HESI A and P, Bio, Chem certification exam?
  • Who is Responsible for the HESI exam?
  • Am I eligibility for the HESI A and P, Bio, Chem Exam?
  • What is the best way to ensure your succes on the first try?
  • The benefits of using Exam Edge to pass your HESI A and P, Bio, Chem exam.

Not ready to purchase our complete practice tests yet? Start with a HESI Anat and Phys, Biology, Chemistry FREE Practice Test first!

Excellent

  
125 reviews


Select Quantity

Buy one or save big with a Multi Test Value Pack for the HESI A and P, Bio, Chem exam.

All transactions
secured and encrypted
All prices are
in US dollars
Get Instant Online Access Now!

Additional test information
Back To General Exam Info

HESI Anat and Phys, Biology, Chemistry - Additional Information

At ExamEdge.com, we focus on making our clients' career dreams come true by offering world-class practice tests designed to cover the same topics and content areas tested on the actual Health Education Systems, Inc HESI Anat and Phys, Biology, Chemistry Certification Exam. Our comprehensive HESI Anat and Phys, Biology, Chemistry practice tests are designed to mimic the actual exam. You will gain an understanding of the types of questions and information you will encounter when you take your Health Education Systems, Inc HESI Anat and Phys, Biology, Chemistry Certification Exam. Our HESI Anat and Phys, Biology, Chemistry Practice Tests allow you to review your answers and identify areas of improvement so you will be fully prepared for the upcoming exam and walk out of the test feeling confident in your results.

Because our practice tests are web-based, there is no software to install and no need to wait for a shipment to arrive to start studying. Your HESI Anat and Phys, Biology, Chemistry practice tests are available to you anytime from anywhere on any device, allowing you to study when it works best for you. There are 20 practice tests available, each with 100 questions and detailed explanations to help you study. Every exam is designed to cover all of the aspects of the HESI A and P, Bio, Chem exam, ensuring you have the knowledge you need to be successful!

HESI Anat and Phys, Biology, Chemistry - Additional Info Sample Questions

What blotting method is used for the analysis of DNA?

Correct Answer:
southern


the correct blotting method used for the analysis of dna is known as southern blotting. this technique was developed by the british biologist edwin southern in the 1970s. the name "southern" is derived from the scientist's last name, and it has inspired the naming convention for other blotting techniques, which humorously use different cardinal directions such as northern blotting for rna and western blotting for proteins. this playful naming does not include a technique called "eastern blotting," as that is not a standard method in molecular biology.

southern blotting is a methodological process used to detect specific dna sequences in dna samples. the process begins with the extraction of dna from cells, which is then digested into smaller fragments using restriction enzymes. these fragments are separated by size through gel electrophoresis. following electrophoresis, the dna fragments are transferred from the gel to a membrane, typically made of nitrocellulose or nylon. this transfer is what is referred to as "blotting."

once the dna is securely immobilized on the membrane, it can be probed for specific sequences. this is done by using a labeled complementary dna or rna probe that can hybridize (or bind) to the target dna sequence present on the blot. if the target sequence is present, the probe will bind to it and can be detected through various methods depending on the type of label used (radioactive, fluorescent, or enzymatic). the result is a visible signal on the membrane at the location of the dna fragments that are complementary to the probe, indicating the presence of the target dna sequence.

southern blotting is highly specific and sensitive, making it an invaluable tool in genetics research, forensics, and other fields that require dna analysis. by allowing researchers to detect specific dna sequences among a complex mixture of dna, it helps in the diagnosis of genetic disorders, the analysis of genetic fingerprints for dna profiling, and the cloning of genes.