4. La secuencia de ADN que codifica para la síntesis de la hormona del crecimiento corresponde a un gen, puesto que: a) determina un fenotipo que se hereda de padres a hijos. b) es susceptible de mutación. c) presenta codones y anticodones. d) permite la síntesis de una hormona. e) se encuentra en el núcleo celular.

Which of the following statements are true chromosomes make up genes

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.