All food chains begin with producers
<span>Model construction.....</span>
Cell walls are rigid which gives plants their shape. Animals have only cell membranes which allows animals to be flexible as animals are moving organisms. Plants, on the other hand, are sturdy and upright and are sessile organisms. Cell walls allow plants to grow upright as high as their maximum height and to be sturdy enough to survive harsh environments.
Determined by its primary structure (sequence of amino acids.)
the sequence of amino acids in an protein is determined by the nucleotides in the DNA encoding it
Microorganisms are used in making of bread, tooth paste, dough, pizza etc. they are even used in making vaccines antibiotics. only some microorganisms are harmful
