The cytoskeleton is an internal scaffolding used for cellular movement true or false

Which class of molecules contains the amino group, nh2 (a) sugars (b) water (c) proteins (d) hydrocarbons

Which of the following would be least likely to support the modern concept of biological evolution? ( 2 points) a)different species of organisms with similar bone patterns b)different species of organisms with similar reproductive rates species in c)different domains with similar metabolic pathways species in d)different kingdoms with similar cellular structures.

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?