Which of the following are present in high densities in both smooth and skeletal muscle cells? i) cilia ii) mitochondria iii) nuclei iv) endoplasmic reticulum

16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.