<span>tRNA docks on the A site before being transferred to the polypeptide in elongation.
One mnemonic to remember this is E (exit) site, P (polypeptide) site, and A (acceptor) site to remember the sites in a ribosome.</span>
Answer:
D.
Explanation:
Fermentation does not make ATP, but it allows glycolysis to continue.
Fermentation removes electrons from NADH molecules and recycles NAD+
molecules for glycolysis.
Answer:
So they are lighter and move quicker.
Explanation:
With the small wings and bodies birds have it would be hard for them to escape predators and lift their own weights if their bones were dense like humans' bones. The hollow part of the birds' bone is connected to their lungs so they have enough oxygen to fly easily. Hope this can help you! :)
The degree of saturation is the number of hydrogen molecules in a lipid. Lipids differ in their degree of saturation or unsaturation based on the number of double bonds that the lipid has; since double bonds lower the number of hydrogen molecules in the lipid.