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drek231 [11]
3 years ago
10

A first-hand source such as an experiment is called a _____.

Biology
1 answer:
IrinaK [193]3 years ago
6 0
A first-hand source such as an experiment is called a primary source. 

A primary source is where you can share new information or report on what you have discovered. Some primary sources are research data, interviews, audio recordings, and autobiographies.

A secondary source is where you describe and discuss about the primary sources. They are used to collect and gather primary source information. Some secondary sources are textbooks, review articles, and scholarly books.

A tertiary source is a source about summaries. A tertiary source can be used to look up information or get an overview about what it is you are wanting to know. Some tertiary sources are dictionaries, handbooks, encyclopedias, Wikipedia, and guidebooks.
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The minimum legth of a codon could be two. If it was only one of the 6 nitrogeneous bases in a codon, we'd only have 6 possible amino acids. If we have, though, a combination of two amino acids out of the 6 nitrogeneous bases, we would have then 36 possible combinations (6 possibilities for the first position × 6 possibilities for the second position) that would allow the existence of the 20 different amino acids.
In the human case, for example, with only 4 nitrogeneous bases, a combination of two amino acids would be insufficient (4×4=16) for the 20 amino acids.
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What do you think would happen if a trial of the experiment was done with frozen liver and potato?
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Explanation:

They would react the same as with the vinegar and hydrogen peroxide at room temperature. They would react the same as with just the hydrogen peroxide.

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3 years ago
Modern millipedes grow up to 1.5 inches long and have many legs. How might scientists classify a millipede fossil that is 1 foot
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3 years ago
Most studies indicate that tobacco and marijuana tend to be a. substitutes. b. complements. c. unrelated because one good is leg
koban [17]
<h2>Answer is option "b"</h2><h3>Explanation:</h3>
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  • Complement gives various choices to tranquilize advancement as it is a proteolytic course that includes nine explicit proteases, one of a kind multimolecular enactment and lytic edifices, a stockpile of characteristic inhibitors, and various receptors that dilemma to actuation sections.
  • Medication configuration is encouraged by the undeniably itemized basic comprehension of the atoms associated with the complement system. Just two enemies of compliment drugs are as of now available, however, a lot more are being produced for sicknesses that incorporate irresistible, provocative, degenerative, horrible and neoplastic disorders.
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4 years ago
What joins muscle to muscle?​
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A tendon is a fibrous connective tissue which attaches muscle to bone. Tendons may also attach muscles to structures such as the eyeball

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