Bacteria are lacking all of the following EXCEPT membrane-bound organles. specialized membranes. a nucleus. mitochondria.

Which of the following is true regarding proteins embedded in the membrane? They do no move in the membrane They always face the interiror of the cell They can span the membrane using an alpha-helix They are embeded in the membrane sing a single tryptophan

Koch's Postulate proved that:     normal flora are necessary for life     some diseases are caused by microbes     yeasts produce alcohol from sugar     viruses are not cells

The most selectively toxic antibacterial agents are those that interfere with bacterial cell wall synthesis. This is because ________. Group of answer choices bacterial cell wall synthesis is easily inhibited whereas eukaryotic cell wall synthesis is more resistant to the actions of the drugs bacterial cell walls have a unique structure not found in eukaryotic host cells eukaryotic cells do not take up the drugs eukaryotic cells inactivate the drugs before they can do any damage

Can you please solve number 3 and 4 and show all of the steps and say the correct letter

Which of the following factors will negatively impact the rate of diffusion of a molecule? A media that is highly viscous A short distance between two concentrations of the molecule A low difference in the concentration of the molecule across the media A warm environment

All organisms belonging to domains cells. bacteria and protista fungus and bacteria archaea and alga bacteria and archaea bacteria, protista and archaea have prokaryotic