Which bones are axial and/or appendicular?

a. the femur and vertabral column are axial.
b. the femur is axial and the veritabral column is appendicular.
c. the femur is appendicular and vertabral column is axial.
d. the femur and vertabral column are appendicular.

The instructions for the genetic traits of an organism are directly determined by the a-numbers of a, t,c and g units in a sugar molecule b-sequence of the bases in dna molecules c-length of a dna molecules d-way the bases are paired in the two strands of a dna molecule

Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water? a. nitrogen + hydrogen peroxide → hydrazine + water b. nitrogen + water → hydrazine + hydrogen peroxide c. hydrazine + hydrogen peroxide → nitrogen + water d. water + hydrogen peroxide → nitrogen + hydrazine

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?