Astudent flattens a ball of clay he is given and shapes it to resemble a boat. which best described the masses of the clay ball and the clay boat. a. the mass of the clay ball is more than the mass of the clay boat. b. the mass of the clay boat is more than the mass of the clay ball. c. the masses of the clay ball and the clay boat are the same. d. the clay ball has mass, but the clay boat does not.

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.

Ineed some everybody. the production of cells during mitosis into specialized function is called: recombination or differentiation

Ayoung boy has been found and police are trying to locate his family they take a dna sample from him and begin collec dna samples from families who have missing children if police use dna samples only from the fathers, which type of dn technology can they use to identify the boy's parent? y-chromosome analysis omtdna (mitochondrial dna) analysis vntrs (variable tandem repeats) o pcr (polymerase chain reaction) analysis