Why is it important for us to learn how to write CER?

Abacteriophage typically attaches to the bacterium and then

Which ingredient(s) in macconkey agar supply(ies) a) carbon b) nitrogen a) lactose: fermentable carbohydrate providing carbon b) casein and animal tissue: provides nitrogen

Suppose a dominant allele codes for a big nose and a recessive allele codes for a small nose imagine that an organism receives a dominant allele from its mom and a dominant allele from its dad. what can be determined about its genotype and phenotype?