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hamburger has both fat and protein in it
Magma is composed of molten rock and is stored in the Earth's crust. Lava is magma that reaches the surface<span> of our planet through a volcano vent.</span>
It is important for everyone to have unique DNA for everyperson on the planet because an important property of DNA is that it can replicate, or make copies of itself. Each strand of DNA in the double helix can serve as a pattern for duplicating the sequence of bases. This is critical when cells divide because each new cell needs to have an exact copy of the DNA present in the old cell.
Answer:
Most genes contain the information needed to make functional molecules called proteins. (A few genes produce other molecules that help the cell assemble proteins.) The journey from gene to protein is complex and tightly controlled within each cell. It consists of two major steps: transcription and translation. Together, transcription and translation are known as gene expression.
During the process of transcription, the information stored in a gene's DNA is transferred to a similar molecule called RNA (ribonucleic acid) in the cell nucleus. Both RNA and DNA are made up of a chain of nucleotide bases, but they have slightly different chemical properties. The type of RNA that contains the information for making a protein is called messenger RNA (mRNA) because it carries the information, or message, from the DNA out of the nucleus into the cytoplasm.
Translation, the second step in getting from a gene to a protein, takes place in the cytoplasm. The mRNA interacts with a specialized complex called a ribosome, which "reads" the sequence of mRNA bases. Each sequence of three bases, called a codon, usually codes for one particular amino acid. (Amino acids are the building blocks of proteins.) A type of RNA called transfer RNA (tRNA) assembles the protein, one amino acid at a time. Protein assembly continues until the ribosome encounters a “stop” codon (a sequence of three bases that does not code for an amino acid).
The flow of information from DNA to RNA to proteins is one of the fundamental principles of molecular biology. It is so important that it is sometimes called the “central dogma.”
One experiment that we could use to test the way in which fruit fly populations grow is to enclose a set amount inside a container with a food source and measure the population growth daily, then repeat this many times.
In order to test the way in which the fly population grows, we need an experiment that will allow us to gather data at set intervals. To do this we can create an experiment in which we set up multiple enclosures, each with a set amount of flies and one banana. Then measure the population on a <u>day-to-day</u> interval.
By performing the experiment with multiple enclosures, we can not only confirm that the results are accurate by having tested it many times, but we can also take the opportunity to test the effects of the food supply on population growth by adding more bananas and seeing if the population will increase at a different rate than the other enclosures.
Once a set number of days have passed, and we have the data corresponding to the population size each day, we can proceed to graph the data. Once graphed, we can analyze the data shown in order to observe whether the population is growing logistically or exponentially.
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