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kirza4 [7]
3 years ago
8

What source is considered a primary source of scientific information

Biology
1 answer:
vivado [14]3 years ago
7 0

Primary sources are original materials/information on which other research is based. It includes journal articles of original research, conference papers, dissertations, technical reports, and patents. Primary sources are also sets of data, such as health statistics, which have been tabulated, but not interpreted.

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The Meselson-Stahl experiment provided the first experimental evidence that: A. Newly synthesized DNA in E. coli has different n
Ksju [112]

Answer:

the answer is a

Explan:

4 0
2 years ago
In a strand of DNA, each single nucleotide represents a single letter of the DNA code. The following image represents a segment
OleMash [197]

The immense amount of information stored in DNA is coded with just four base nucleotides. These four nucleotides are paired by twos to form <u>complementary </u>DNA chains.

The makeup of DNA is limited to two <u>pairs </u>of nucleotides bases. One of these pairs is a pyrimidine base whilst the other forms a purine base. The four nucleotides that will make up the entire DNA code are:

  • Adenine (A)
  • Guanine (G)
  • Cytosine (C)
  • Thymine (T).

A and G will pair to form the purine base, meanwhile, Cytosine pairs with Thymine to form the <em>pyrimidine base</em>. As per the entire DNA code, A will always pair with G.

Whilst C always pairs with T. This is due to the very nature of the nucleotides themselves and will not change throughout the synthesis or duplication of DNA. Therefore, to complete the complementary strand described in the assignment we must match the letter given with its corresponding base pair, using this rule of DNA.

To learn more visit:

brainly.com/question/967810?referrer=searchResults

8 0
2 years ago
Which factor does not play a role in runoff
vladimir1956 [14]
<span>Infiltration is the process by which rainwater becomes groundwater. In the water cycle, which involves primarily; evaporation, condensation and precipitation. Henceforth, after precipitation comes infiltration in the land areas leaving the rainwater aggregated in a single location which accumulates over time. Then this process is followed by runoff and subsurface flow by which water flows through other bodies of water, either in river, sea or ocean, even lake. Other rainwaters that has segregated and wasn’t able to transport itself stays in the process of infiltration, thus groundwater.<span>

Thus, solar radiation doesn't play a role in runoff or infiltration.
</span></span>
5 0
2 years ago
Biology &amp; Behavior: Evolution &amp; Genetics<br> Why people behave the way they do?
xxTIMURxx [149]

People behave the way they do because of situation as well as genetics.

<h3>Why people behave the way they do?</h3>

People behave as they do in response to the way they are treated by other people as well as in response to situation. In their behaviour, they have also a genetic factor that influence their behaviour.

So we can conclude that people behave the way they do because of situation as well as genetics.

Learn more about behaviour here: brainly.com/question/1741474

#SPJ1

6 0
2 years ago
The bottleneck event that decimated the bison was caused by _______.
Whitepunk [10]
The answer is an overhunting.

<span>The bottleneck event means drastic reduction of the population size because of environment changes. The consequence of this is the reduction of genetic variation. The bison population is a good example of the population bottleneck. The bison population drastically reduced its size due to overhunting which culminated at the end of the 19th century, when bisons almost extinct. </span>
7 0
2 years ago
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