Does the palm have arrector pili muscles

Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond

Agene pool: a) is the collection of all the alleles found in a single species b) is the collection of all the alleles found in a single population c) is the collection of all the chromosomes found in a single population d) is the collection of genes in a species that allow the individuals to swim

What controls activities within a eukaryotic cell?