1 El sistema esquelético se compone de
huesos, que son la parte más resistente
del cuerpo humano. ¿Cuál
característica explica MEJOR por qué
los huesos facilitan los movimientos
del cuerpo humano?
A Son ligeros.
B Son pequeños.
C Tienen articulaciones.
D Tienen células flexibles.

Which of these best describes what occurs during cytokinesis? a) the chromosomes are separated b) the cell begins to divide by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?