6. strength
7.North, South
8. igneous
I believe this statement is true.
<u>Answer</u>:
<em>Biomolecules that serve to provide energy are carbohydrates and lipids.
</em>
<u>Explanation</u>:
<em>Molecules present in the body of an organism supporting various biological activities are called biomolecules.</em> They are usually made up of elements carbon, nitrogen, oxygen. <em>Biomolecules of greater size are called macromolecules.
</em>
Carbohydrates, lipids, nucleic acids and proteins are the 4 macromolecules essential for life. Nucleic acid is the genetic material in living organisms. Macromolecules that provide energy are carbohydrates and lipids. <em>Carbohydrates are used as quick sources of energy while lipids are used for storage of energy.
</em>
Answer:
When magma reaches the surface of the Earth it is called lava. Lava is molten rock that comes through a crack in the Earth's crust.
Explanation:
Answer:
a. First messenger hormone docking with plasma receptorb. Activated protein kinase enzymes
Explanation:
They activate kinase for nuclear transcription
They change the cell membrane structure to induce single transduction pathway
