A. I'm super sorry i do not remember this one
B. watson and crick
C. watsona and crick
DNA is basically the hard copy. It is double stranded and found in every cell. It contains a library of EVERY single protein that the body makes. Cells supress bits of the DNA because every protein does not apply to every cell.
<span>mRNA is the portable version that is taaken away from the hard copy to make the actual protein. It is single stranded and codes for 1 protein (although in bacteria one mRNA can code for many proteins). It is the actual bit that gets TRANSCRIBED in the nucleas (copied) and TRANSLATED (written) into proteins in the cytoplasm on ribosomes (which are incidently another form of RNA...rRNA). </span>
<span>DNA functions include getting copied to every daughter cell too
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Plant, Mouse, Snake, and Bird shows the path of energy through individuals. Option D is correct.
We use samples to perform experiments. When sampling, we take test subjects from a larger group often known as "<em>population</em>" or at times "<em>universe</em>".
Sampling is a term we use to describe the process of selecting a small representitive group from a larger population. Sampling can often be divided in its simplest form into:
- <u>Random Samples</u>
- <u>Non-Random Samples.</u>
Which as their names imply, represent first a sample that is chosen by not specific method and whose probability is equal for the entire <em>population</em>, and secondly a sample chosen based on specific parameters.
Sampling can then become more complex, being divided into more complex methods such as:
- <u>Systematic sampling
</u>
- <u>Stratified sampling
</u>
- <u>Cluster sampling</u>
etc.
The one thing all of the sampling methods have in common is the fact that they will all draw their samples from one place. This place or aspect from which samples are drawn is known as the <em>population</em> <em>group </em>or sometimes coined as the <em>universe</em>, to represent the group in its entirety.
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<span>The nitrogenous base pairs, which are linked by hydrogen </span>bonds<span> that also </span>hold<span> the </span>strands together<span>, are between this backbone.
There are 3 hydrogen </span>bonds <span>between guanine and cytosine.</span>