The function of a protein is determined by its shape. The shape of a protein is determined by its primary structure (sequence of amino acids.) The sequence of amino acids in a protein is determined by the sequence of nucleotides in the gene (DNA) encoding it.
Answer:
An allele is a diffrent form of genes
Flowers and weeds are in common in many ways such as they grow from the ground. Also they similar to garden plants, weeds can produce colorful flowers and attract beneficial insects, like bees and butterflies, to the yard. ... A field of blooming wild spring flowers and weeds.Weeds and flowers both grow in the soil and require water, sunlight, and proper nutrients in order to survive.
A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community. Another name for food web is consumer-resource system.
Answer:
Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period. Index fossils are useful because they tell the relative ages of the rock layers in which they occur.