All the three elements belong to the same group in the periodic table, that is Group 15 (Va) of the periodic table. They are also known as Nitrogen group element, others are, antimony, bismuth and moscovium. They share certain general similarities in chemical behavior, which reflect common features of the electronic structures of their atoms.
Each element occupies the fifth position among the main group elements of its period, a position designated 15. Also they possess an outermost shell of five electrons. Additionally, they have an unshared, or lone pair of electrons which remains after the three covalent bonds, or their equivalent, have been formed.
Answer:
Mitochondria are known as the powerhouses of the cell. They are organelles that act like a digestive system which takes in nutrients, breaks them down, and creates energy rich molecules for the cell. The biochemical processes of the cell are known as cellular respiration.
Explanation:
Recombinant DNA is the
incorporation of foreign DNA into the
genome of an organism so that it has artificially modified characteristics. The
laboratory technique has applications in
gene therapy through the replacement of abnormal genes with normal ones to treat
a disorder or disease.
Move three sodium ions out of a cell and two potassium ions into a cell while consuming an atp for each cycle
Explanation:
By pumping three (3) Na+ to the outside and two (2) K+ to the inside of the cell, there is a net positive charge on the outside leaving the inside of the cell electronegative. This process is achieved by the Na+/K+ pump and is a process that consumes ATP energy.
This is much more important in a neuron cell who ¾ of its energy is used to maintain a -70mV resting potential that is important for the nerve to pass impulse when depolarised.
In other cells, the gradient created in important in maintaining the homeostatic osmolarity inside the cell to avoid swelling and lysis of cells due to uptake of excess water by osmosis. The Na+ gradient is also used to import other molecules into the cell such as glucose and amino acids. These molecules are coupled with Na+ and then are absorbed efficiently as the Na+ flow back inside the cell down the Na+ concentration gradient.
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Answer:
The right answer is kidney, bladder, ureter, urethra.
