I think it’s A.cells carry out cellular respiration
C. is correct because when their bodies are colder they are not able to digest as quickly. they digest much quicker at a warm temperature.
The nuclear envelope, also known as the nuclear membrane, [a] is made up of two lipid bilayer membranes which in eukaryotic cells surrounds the nucleus, which encases the genetic material. The nuclear envelope consists of two lipid bilayer membranes, an inner nuclear membrane, and an outer nuclear membrane. The space between the membranes is called the perinuclear space.
Enable plants to produce a wide range of recombinant proteins on a rapid timescale.