Research the cell theory. What does the cell theory propose? Describe a hypothetical observation for each part of the cell theory that would cause it to change. Why have these parts remained unchanged as of today?

Which of the following structures is not found in both plant and animal cells? a) chloroplast b) cytoskeleton c) ribosomes d) mitochondria

One of the purposes of transcription is to produce a sequence of bases that

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.