Answer: C. An amino group, carboxyl group and a side chain bonded to the central carbon atom.
Explanation: The amino acid structure consists of amino group, a carboxyl group (Acid group) and a side chain. These three groups are bonded to a central carbon atom.
Some examples of limiting factors are biotic, like food, and mates. Limiting factors can affect the populations of both plant and animal species. An invasive species is an organism that is not indigenous, or native, to a particular area.
Answer:
Option-B
Explanation:
The brain is an organ composed of neurons which controls all the voluntary and involuntary of animals. In humans, the brain is located in the skull where the brain is suspended in a fluid called cerebrospinal fluid.
As humans ages and becomes old aged, the neurons in the brain losing their ability to perform their function, if they are lost they cannot be regenerated.
The lesions appear on the white matter of the brain and the brain shrink. Due to these known and other unknown features, the process controlled by these neurons become inadequate and shows slower brain processing and weak memory.
Thus, Option-B is the correct answer.
Explanation:
They are useful as they can predict the genetic probability of a particular phenotype arising in a couple's offspring. In other words, it can tell you if you will or will not have a certain trait.