<span>d. neither of these will cross a plasma membrane.
Glucose cannot diffuse across a plasma membrane as it is polar. Since the question doesn't specify the type of diffusion, simple diffusion is assumed.
If you count facilitated diffusion, then A is the answer.</span>
The first one is commensalism. The second one is mutualism. The last one is parasitism.
The answer would be : <span>both ethnologists and comparative behaviorists were correct.
Hope this helps !
Photon</span>
Answer:
Topoisomerase and Primase
Explanation:
Topoisomerase — Relaxes the super-coiled DNA
Primase — Provides the starting point for DNA polymerase to begin synthesis of the new strand
The answer is D) unlimited flow of water into or out of the cell for #9.
For #10, the answer is C) endocytosis and exocytosis.
