Answer:
Evolution is a scientific theory used by biologists. It explains how living things change over a long time, and how they have come to be the way they are. ... It is known that living things have changed over time, because their remains can be seen in the rocks. These remains are called 'fossils'.
Answer:
a. double-blind experiment
Explanation:
A double-blind study <em>is done when the participants and experimenters do not know who is receiving which treatment in order to prevent bias.</em> We can conclude this is the correct answer because the results are being shared anonymously.
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This is because the supercoiled plasmid takes up less space (because it is compact) than the linear form, allowing it to move through the gel matrix faster. The gel matrix acts as a sieve: smaller DNA molecules migrate, through the pores, faster than larger ones.
Answer:
D. A segment of DNA molecule
Explanation:
Gene is a segment of a DNA molecule that holds instruction needed for the synthesis of useful products (protein). Ideally, DNA is the storage material of genetic information in a cell. The DNA harbors the GENE, which itself is being expressed in order to use the information contained in it to produce useful products responsible for the phenotype of an organism.
A gene contains sequences made up of nucleotide bases that determines the sequence of amino acids to be produced, and ultimately the type of protein.
