You are studying the amino acid sequence of a protein shared by four organisms. you want to know which organism is most closely related to organism a. you have data that shows the number of amino acid differences between organism a and each of the other organisms. study the data in the chart and use it to answer the question.

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 type of neuron stimulates muscles to contract?

Agroup of students want to live a healthier life style they decide to use one of these following vegetable oils for cooking apex