Answer:
This is the basis for Chargaff's rule; because of their complementarity, there is as much adenine as thymine in a DNA molecule and as much guanine as cytosine. Adenine and thymine are connected by two hydrogen bonds, and cytosine and guanine are connected by three hydrogen bonds
Cell membranes are not solid structures.
Solar energy is the original source of energy in most ecosystems. There must be a continual supply, due to energy only flowing in one direction in an ecosystem. Energy that is lost to heat must be replaced by more energy.
Answer: Endoplasmic Reticulum
Explanation:
The Endoplasmic Reticulum is a network of interconnecting membrane enclosing channels that are continuous from outer outer nuclear envelope to plasma membrane. ER is classified into rough and smooth varieties.
The ER is very prominent in the cell activity synthesizing proteins e.g glycoproteins, lipoproteins and immunoglobins
Answer:
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Explanation:
