Laboratory Testing

Transcription is the process in which DNA is converted to RNA by transcription factors.

Translation is the process in which RNA is converted to proteins.

The easiest way to remember this is by thinking of DNA as American-English and RNA as british-English. Anyone who knows either one of the languages can easily convert one of them to the other. Toilet becomes the loo. Sidewalk becomes the pavement, etc.

This is because DNA has A-T (adenosine-thymin) and C-G (cytosine-guanine) while RNA has A-U (adenosine-uracil) and C-G (cytosine-guanine) bonds. The language is almost the same. From RNA to proteins however, the entire code, structure and function is altered beyond recognition. This is why you call it translation. The conversion of one language to a completely different one - like british to Chinese for example.

So, the product of transcription is RNA and the product of translation is proteins.

To compare banding patterns, visually inspect the gel lanes for the presence and position of bands. Similar banding patterns suggest similar DNA samples. To further verify if the DNA samples are the same, you can perform additional tests such as sequencing or restriction enzyme analysis for confirmation.

No, pouring tap water into your urine will not cover up a drug test. Drug tests are designed to detect specific substances in urine, and adding water will dilute the sample but is likely to be detected by the testing process.

The movable part of a Bunsen burner is called the air hole or air vent. By adjusting the air hole, you can control the amount of oxygen mixing with the gas, which in turn affects the type of flame produced by the burner.

Many cells produce enzymes all over the body, so the answer depends on what the enzymes are. They could be the result of over-production (such as in the case of a hyperactive gland, a tumour or a genetic disease) or they could be released due to tissue damage (such as in heart attack, liver disease, muscle atrophy).

Bacteria thrive in hot, dark, and moist environments because these conditions provide the ideal temperature and moisture levels for their growth and reproduction. The lack of light also helps protect them from harmful ultraviolet radiation. Additionally, these conditions often offer a nutrient-rich environment for bacteria to feed on and multiply.

FBS (fetal bovine serum) is typically collected in a red-top tube or a serum separator tube (SST) with a red-gray or gold-red-colored cap. Once collected, the tube is centrifuged to separate the serum from the blood cells.

In normally consolidated clays, the soil particles are densely packed and in contact with each other, which prevents the development of cohesion. Cohesion in soils arises from the attractive forces between soil particles, but in normally consolidated clays, these forces are not significant due to compaction. This results in zero cohesion in normally consolidated clays.

The tube used for a serum ferritin test is typically a gold or tiger top tube.

Therapeutic cloning involves creating cloned embryos for the purpose of harvesting stem cells to treat diseases or injuries. Reproductive cloning, on the other hand, aims to create a new organism that is genetically identical to the donor organism.

Yep. All Staphylococci are optochin sensitive

Blood can be separated into its components by spinning it in a centrifuge at speeds ranging from 1,500 to 2,000 rotations per minute (rpm). Plasma, platelets, and red blood cells separate based on their density, allowing for specific components to be collected.

Factors that can increase creatinine levels in the blood include kidney damage or disease, dehydration, excessive muscle breakdown, certain medications (such as NSAIDs or antibiotics), and certain medical conditions (such as rhabdomyolysis). Regular monitoring of creatinine levels can help identify any changes that may require further evaluation and treatment.

• Most strains of Staphylococcus aureus are susceptible to vancomycin and have not yet built up a resistance. Some strains are still susceptible to penicillin and other antibiotics so it really depends on the strain.
• Most strains of E. coli are susceptible to amoxicillin and many cephalosporins. This also depends on the strain because some are resistant and some are susceptible.

A light blue top tube would least likely be used for collecting blood samples for coagulation studies, as these typically require a blue top tube containing sodium citrate for anticoagulation. Light blue top tubes are commonly used for coagulation studies (PT/INR, PTT) and may contain citrate to prevent clotting of the sample.

The cell lose water in the hypertonic solution, which has higher osmotic pressure.

Eating before a fasting blood test can affect the accuracy of the results, particularly for tests that measure glucose levels. It is recommended to fast for 8-12 hours prior to a fasting blood test to ensure accurate results. If you have eaten before the test, inform your healthcare provider, as they may need to reschedule the test.

The chemical signal carried through the blood is primarily hormones. Hormones are produced by glands in the body and travel through the bloodstream to target specific cells or organs to regulate various physiological functions.

A creatinine level of 128.7 indicates that the kidneys may not be functioning optimally as this level is higher than normal. It can be a sign of kidney disease or impairment of kidney function. Further evaluation and follow-up with a healthcare provider is recommended to determine the cause and appropriate management.

pink rubber top testube for blood grouping

Immunoglobulin refers to a type of protein produced by white blood cells called plasma cells. These proteins are part of the immune system and play a key role in recognizing and fighting off foreign substances such as bacteria and viruses.

Contamination of the blood refers to the presence of potentially harmful substances in the bloodstream, which can lead to various health issues. Common causes include infections, toxins, or foreign objects entering the bloodstream through wounds or medical procedures. Prompt diagnosis and treatment are essential to prevent complications such as sepsis or organ damage.

The normal range for mean corpuscular hemoglobin (MCH) is around 27 to 33 picograms per red blood cell. It is a measure of the average amount of hemoglobin in a red blood cell. Values outside of this range may indicate certain health conditions.

RBCs are typically drawn in a purple or lavender-top tube, which contains the anticoagulant EDTA. This type of tube is used for hematology studies and to prevent clotting of the blood sample.