Kary mullis discovered a type of dna polymerase that could withstand high temperatures. why did scientists want to heat up dna replication?
a. to slow the reaction down
b. to make the reaction go faster
c. to prevent frameshift mutations
d. to kill the bacteria replicating the dna

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.