Yeah yeah so :D,
Large polar molecules can only cross the membrane with the help of protein named channel protein and carrier protein.
So, this both proteins act like a gate, the large molecules enter the protein and the protein let the large molecules in to the membrane. (see the picture so that you can understand more, its carrier protein)
the only difference between channel protein and carrier protein is, channel proteins has fixed shape while carrier protein can flip.
<span>A. the measure of the acidity or alkalinity of soil Alkalinity is the name given to the quantitative capacity of an aqueous solution to neutralize an acid.</span>
The Nucleus contains most of the genetic information for making proteins
The ribosome is the place where the polypeptide strand and the mRNA meet in order to create a protein
Nucleolus has a role in the biogenesis of the ribosomes
RER -intracelular transport and protein making because of the attached ribosomes
SER-intracelular transport,lipid synthesis and it is the place where the glicogen is metabolized
Golgi Apparatus has a secretive role
Lysosomes contain 40+ hydrolytic enzimes that help with intracelular digestion
Cilia and flagella both help with the moving of the cell
Extracellular matrix keeps the cells together
The Mitochondria sythesizes ATP in a process caled oxidative phosphorylation of organic substances
Answer:
Which of the following structures are not involved in asexual reproduction? Gametes.
Explanation:
So option A. Have a great summer. This is the correct answer.
Answer: c) biologists would track the number of species and their relative abundance in the gulf coast region in 2009, 2010, and 2011
