PLEASE, PLEASE, PLEASE HELP NO LINKS OR I WILL REPORT!!! Respond to the question: How do things move across a cell membrane? Give two examples. (5-8 sentences)
https://www. khanaca demy. org/gclassroom/test-prep/mcat/cells /transport-across-a-cell-membrane/v /how-do-things-move-across-a-cell-m embrane
That is the video. Remove the space to make it work.

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.

1. amino acid refers to the fundamental building block of proteins, comprising of an amino group and a carboxyl group.

2. catalyst refers to any substance, which increases the rate of chemical reaction without being used up in the reaction.

3. a complex molecule containing he genetic code is dna or deoxyribonucleic acid.

4. an enzyme refers to a molecule of protein, which is unique in accelerating up a particular chemical reaction in the biological systems.

5. nucleic acid refers to an sequence of sugars, phosphates, and nitrogenous bases, for example, dna and rna.

6. a protein refers to a large, composite organic molecule comprising of a huge number of amino acids associated together with the of peptide bonds.

7. rna refers to a nucleic acid that takes part in the production of proteins.

8. substrate refers to a compound, which takes part in a chemical reaction, and is chemically modified by the reaction.