Question

name the following.
1) Type of Bond which joins the nitrogenous bases in DNA
2) The components of nucleotides
3) Type of bond between the complementary basis.
4) A pair of corresponding chromosomes of the same size and shape one from each parent.
5) four nitrogenous bases in a DNA molecule.

Answer 1

Answer:

1. ionic bond
2. nitrogenous base ,phosphate, sugar
3. hydrogen bond
4. homologous pair
5. adenine, guanine , cytosine , thymine