A baby is born with phenotypic characteristics of Down’s syndrome ; a rounded face, small chin, almond shaped eyes, and shorter limbs. Evidence from which of these techniques would best confirm the child has an extra chromosome 21

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.

Can nonrenewable resources be used sustainably?

The assembly called for a "bill of rights" that would list u.s. citizens'