In the following orbital the lone pair on each N atom is present:
N1: sp3,
N2: p,
N3: p,
N4: sp2,
N5: sp2
Sitagliptin is an anti-diabetic drug used to treat type 2 diabetes and is marketed under the brand names Januvia and others. One carbon atom has no pi bonds, while the first nitrogen atom is linked to two hydrogen atoms. It thus possesses sp3 hybridization.
The second nitrogen atom possesses a single pair of electrons and is bound to three other atoms. It is hence sp2 hybridized. The nitrogen atoms in positions 3, 4, and 5 have sp2 hybridization.
The lone pair of nitrogen in the first nitrogen atom is in the sp3 orbital. The second and third nitrogen atoms' only pair of electrons are in p-orbitals. The fourth and fifth nitrogen atoms' lone pair of electrons are in sp2 orbitals.
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Answer:
What to do if you or someone else may be having a heart attack
- Call 911 or your local emergency number. ...
- Chew and swallow an aspirin while waiting for emergency help. ...
- Take nitroglycerin, if prescribed. ...
- Begin CPR if the person is unconscious.
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Answer: Measures the antigen levels on the cell surface
Explanation: Fluorescence-Activated Cell Sorting. Fluorescence-activated cell sorting (FACS) measures the antigen levels on the cell surface quantitatively. Cells are dyed with a fluorescent antibody, then placed in a stream of liquid which passes the focus of a laser, and each cell emits light.
The goal of sperm is to find the egg;)
Glomerulus
The high fluid pressure inside the arteries causes the glomerulosa (capillary bed) in the glomerular capsule to produce filtrate.)
<h3>What is Glomerulus ?</h3>
Blood enters the glomerulus, a collection of small blood veins, as it enters each nephron. Smaller molecules, wastes, and fluid—mostly water—can pass through the glomerulus' thin walls and into the tubule.
- Proteins and blood cells, which are larger molecules, remain in the blood vessel.
- The glomerulus' primary job is to filter plasma to create glomerular filtrate, which travels the full length of the nephron tubule before converting to urine. Water, glucose, salts, and urea are all components of the glomerular filtrate.
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