Answer:
A phosphate backbone is the portion of the DNA double helix that provides structural support to the molecule. DNA consists of two strands that wind around each other like a twisted ladder. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups.
Answer:
A star's life cycle is determined by its mass. A star's mass is determined by the amount of matter that is available in its nebula, the giant cloud of gas and dust from which it was born.
Answer:
del sofa te solisita que pagues. solo las 3/4 partes de su valor y sobre esa cantidad te dan un 10% de descuento extra cuanto pagarias al final
The answer would be Activational <span />
