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Agata [3.3K]
3 years ago
14

What is the principle of size exclusion chromatography?​

Biology
1 answer:
Troyanec [42]3 years ago
7 0

Answer:

The underlying principle of SEC is that particles of different sizes elute (filter) through a stationary phase at different rates. This results in the separation of a solution of particles based on size.

hope it helped

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What are four examples of learned behaviors in animals?
elena55 [62]

Answer:

  1. Habituation.
  2. Sensitization.
  3. Classical conditioning.
  4. Operant conditioning.

Explanation:

Types of learning include habituation, sensitization, classical conditioning, operant conditioning, observational learning, play, and insight learning. One of the simplest ways that animals learn is through habituation, where animals decrease the frequency of the behavior in response to a repeated stimulus.

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2 years ago
Which of the following neurotransmitters typically has inhibitory effects?
solmaris [256]

The correct answer is: A) GABA

GABA or γ-aminobutyric acid is a type of amino acid that's found in proteins. It is the main inhibitory neurotransmitter in the brain which means that GABA reduces neuronal excitability throughout the nervous system. GABA binds to its receptors that are located on the neuron’s plasma membrane. This binding causes the opening of ion channels that transport chloride ions into the cell or potassium ions out of the cell.

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3 years ago
The epicenter of an earthquake is the area where the least amount of damage takes place.
Aleks [24]

Answer:

Yes it can be.

Explanation:

Surface damage. The epicenter is directly above the earthquake's hypocenter (also called the focus). In most earthquakes, the epicenter is the point where the greatest damage takes place, but the length of the subsurface fault rupture may indeed be a long one, and damage can be spread on the surface across the entire rupture zone.

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2 years ago
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A powerful computer is used to develop new drugs by looking at the molecular structure and chemical composition of target cells
Lilit [14]

Answer:

A. Pharmacogenomics

Explanation:

The use of persons genetic makeup or information or genome, to select or choose the medicine and dosage of the drugs to be administered  that will likely work t for that particular person is called Pharmacogenomics . This  field of science combines the knowledge of how drugs work, called pharmacology, with the knowledge of the human genome, called genomics.

The aim of Pharmacogenomics is to optimize drug therapy, with consideration on the patients' genotype. Moreover it targets to ensure maximum efficiency with minimum adverse reactions. By utilizing pharmacogenomics, we have a high hope that drug treatments can veer away from the "one-dose-fits-all" approach to medication.

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3 years ago
IQ tests are said to have "reifled" intelligence; this means that IQ tests
Stolb23 [73]

Answer:

a. are a valid way to measure a person's inborn intelligence

Explanation:

IQ testing is an important tool for measuring an individual's innate intellectual abilities, as long as its content is not limited to just one area of knowledge. Cognitive ability is related to hereditary and cultural characteristics that can be inherited or developed throughout life. Over the years, experts have developed techniques for measuring individual intellect.

The tool is used to obtain an intelligence indicator for different purposes. Following the original idea of the test, its application may be necessary to identify children with attention deficit or who are in a more advanced learning process than other students.

The IQ test is also used to diagnose issues related to an individual's behavior and conduct, and to support a job selection process.

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