It could be either Carbon has 4 valence electrons and can form many other molecules, or that it has the ability to form a variety of single, double and triple bonds. Both are true and both show complexity of organic compounds.
Cells are simply the basic units from which living things are made of, some are single cell organisms while others could be made of thousands, millions or billions of cells.
Metabolism refers to the sum total of chemical reactions that take place usually, but not by any means always, inside cells e.g they could also occur in the blood plasma or in inter-cellular spaces. They are indispensable for sustaining life.
The turtle is a slow animal, a terrestrial or marine reptile of the order of the Testudines in the subclass of Chelonians, characterized by a protective shell, enclosing its body and covered with scales. Sea turtles are also included.
The right answer to this question is E.
Two arguments support this answer:
First of all the turtle has no hair and has no placenta (he lay eggs so he is oviparous).
The turtle possesses jaws and limbs.
Answer:
Hey there!
A theory can be best described as an idea that is supported by many different experiments.
Let me know if this helps :)
Disaccharide is a simple compound which is made up of two molecules of sugar which include glucose and galactose.
These glucose molecules form a crystalline water soluble compound.
This is found in food like sucrose and lactose. This is composed of four chemical grouping of carbohydrates.
Chocolates are also considered as disaccharide compound due to presence of sugar.
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