An amoeba is a eukaryotic cell because it has a nucleus that encloses the DNA and separates it from the other organelles.
The nucleotides of DNA are held together by phosphodiester bonds.
According to the central dogma, DNA undergoes transcription to convert its information into RNA.
Heart cells have the most mitochondria of the four cell types listed.
The discovery that DNA was the transforming factor of cells was made by Oswald Avery, Colin MacLeod, and Maclyn McCarty in 1944.
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.
The observable traits of an organism are described as its phenotype..
