Why do cells have a plasma membrane a) separate proteins from nucleus b) distinguish plants from animals c) define the size of the cell d) separate the inside of the cell from its environment

The grooves or folds of the brain are called

Read "who built the pyramids? ”. leave this link open while you answer the questions throughout the assignment. give at least two reasons why some people claim the pyramids of giza were constructed by aliens.

What is the temperature in kelvin of a gas if it is allowed to expand from 1.50 l to 4.50 l? the initial temperature is 10.0°c and pressure is constant throughout the change. which equation should you use? t2= v2/v1 t1 what is the final temperature? ⇒ 849 k these are the answers.