A little trick i learnt: The atomic number reflects how many electrons there are, and there must be an equal charge. therefore, there are the same amount of protons as there are electrons. so if it has 81 protons, we look for number 81 in the periodic table, Thallium
Answer:
The red color of the colonies is an example of <u>a phenotype .</u>
Explanation:
Serratia marcescens -
They are the species ,that are , gram - negative bacteria , rod - shaped ,
they are from the family of Enterobacteriaceae .
Serratia marcescens are mostly found in the urinary and respiratory tracts of the hospitalized adults and in children , in the gastrointestinal systems .
S. Mercescens are most commonly found in the environment , growing the bathroom and dirt .
It is gram-negative, produces a reddish - orange tripyrrole pigment called the prodigiosin , is an example of phenotype .
Answer: the half life of the material is four years
Answer:
if sex cells were identical, there won't be genetics variations and we will just all be identical to our parents. genetic variation allows us to better adapt and survive
