Nutrients cross the membrane wall with the help of protein channels.
ethical scientist would follow scientific method they would also report accurate data and they're going to keep detailed records now an ethical scientist is not going to hide their experiment from the public the only reason you're going to hide your experiment from the public would be because you have something to hide being on ethical and it would also be unethical to make an unbiased conclusion
There are manny kinds of producers but which one ate u talking about ...... here are some ⭐️ Either employed by a production company or working independently, producers plan and coordinate various aspects of film production, such as selecting the script; coordinating writing, directing, and editing; and arranging financing. ... Finally, the producer will oversee the marketing and distribution.