FREE CSET Reading, Language, and Literature Questions and Answers


What kind of link binds the DNA nucleotides together?

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The nucleotides of DNA are held together by phosphodiester bonds.

According to the central dogma, which step does DNA go through to transform its information into RNA?

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According to the central dogma, DNA undergoes transcription to convert its information into RNA.

Using a powerful microscope, a group of students looks at an onion cell. The chromosomes appear to move and align themselves, as the pupils saw. This onion cell is in what stage of cell division?

Correct! Wrong!

The movement and alignment of chromosomes during cell division is a characteristic of the metaphase stage of mitosis. Therefore, if the students are observing an onion cell under a microscope and they notice that the chromosomes are aligning themselves, the onion cell must be in the metaphase stage of mitosis.

Which of the following four types of cells contains the most mitochondria?

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Heart cells have the most mitochondria of the four cell types listed.

The microbiology class instructor discusses amoebiasis, a disease brought on by the amoeba, a unicellular organism. On the screen, a tagged image of an amoeba cell is shown. It has a nucleus along with the cytoplasm, mitochondria, and other organelles. What type of cell is an amoeba based on the prokaryotic and eukaryotic cell structures?

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An amoeba is a eukaryotic cell because it has a nucleus that encloses the DNA and separates it from the other organelles.

Who made the discovery that DNA transforms cells?

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The discovery that DNA was the transforming factor of cells was made by Oswald Avery, Colin MacLeod, and Maclyn McCarty in 1944.

Which of the following best sums up an organism's visible characteristics?

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The observable traits of an organism are described as its phenotype..

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