Answer:A.) True
Explanation:
E.Coli would be a good model organism to study how the cell membrane controls movement of substances in and out of cells because it a eubacteria .Eubacteria characteristics include the ability to allow the movement of molecules across its membrane once a proton gradient is established , The membrane also has permeability enhancing properties that allow for the easy movement of substances.
Answer:
They fight against infections and disease.
Explanation:
I’m sorry I do not know what the answer is. Are you in forensic science? I’m making my 4 year plan, and I put that as one of science classes. If you are in that high school class can you provide any details on that class. If you know the answer to their question and the second spot is full, please comment under my question for them.
Answer:
the Y chromosome is smaller than the X chromosome.
Explanation:
The male has an X and Y sex chromosome which is an exception to the general rule that homologous chromosomes are identical as the Y chromosome is smaller thus enabling it to swim faster than the X chromosome. The Y chromosome also has a longer lifespan compared to the X chromosome. The male genotypes is XY. Males are heterogametic as they produce two types of gametes, one carrying the X and the other carrying a Y chromosome.
