he plasma membrane of E. coli is about 75% protein and 25% phospholipid by weight. What more would you need to know to estimate the fraction of the membrane surface that is covered by lipids

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

Which statement best describes how the nucleus, the rough endoplasmic reticulum, and ribosomes interact during protein synthesis?