The proteins are synthesized by the ribosomes through the process of translation and are located in the lumen of the cisternae in the rough endoplasmic reticulum. These proteins are then pinched off from the cisternae in the form of vesicles. Vesicles are the small, membrane-enclosed envelops produced by the endoplasmic reticulum and the Golgi apparatus. They are then carried to the Golgi apparatus, where in, they are packed and transported out by the secretory vesicles pinched by the Golgi. It is delivered to the cytoplasm and reaches the cell membrane of the cell where they are released outside the cell. Lysosomes digest and recycle the waste materials produced in this process.
Answers
1. 8 electrons
2. 10 electrons
3. 10 electrons
4. 8 from the oxygen atom and 1 from each of the 2 hydrogen atoms
5. 4 hydrogen bonds
Explanation
The atomic number of oxygen is 8 thus it has a total of 8 electrons. When writing the electron configuration for the oxygen, the first n shell requires two electrons to complete the 1st orbital. The fact that 1s holds a maximum of 2 electrons the next 2 electrons of oxygen goes to 2s orbital. The 2s orbital takes a maximum of two electrons and the remaining 4 electrons occupy the 2p orbital. The configuration formed will be 1s² 2s² 2p4 .The maximum number of electrons in the second shell is 2n²=2×2² =8 from the formula 2n² (the maximum number of electrons in a shell). The total number of electrons in the second shell is 2(in s orbital) +4 (in p orbital) =6.The number of unpaired electrons is 8-6=2
A water molecule has four hydrogen bonds, because it is made up of two hydrogen atoms and an oxygen atom. A water molecule has 10 protons and 10 electrons thus it is neutral. In the water molecule there is formation of covalent bonds where oxygen atom and hydrogen atoms share electrons though the sharing is not equal. In the covalent bond, the oxygen atoms attract electrons more than the hydrogen atoms.
The mitochondrial dysfunction has emerged as one of the key hallmarks aging process and is linked to the development of numerous age-related pathologies including metabolic syndrome, neurodegenerative disorders, cardiovascular diseases and cancer.
<h3>Mitochondrial dysfunction </h3>
Chronic (long-term), hereditary, and frequently inherited ailments known as mitochondrial illnesses take place when mitochondria are unable to create enough energy for the body to function normally. When a condition is inherited, it indicates that parents have passed it on to their offspring. In addition to developing at any age, mitochondrial illnesses can be present at birth.
Affected organs by mitochondrial illnesses include the brain, nerves, muscles, kidneys, heart, liver, eyes, ears, and pancreas. They can also affect the cells of the kidneys. When the mitochondria don't perform as well as they should as a result of another illness or condition, mitochondrial dysfunction arises.
Learn more about mitochondrial dysfunction here:
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<span>proton gradient</span> establishment
Chemiosmosis is the process that allows the diffusion of a
molecule or an atom through the membrane. Also, it is the movement of ions
across semipermeable membrane down their electrochemical gradients. In chloroplast,
chemiosmotic coupling is an important factor in ATP production through proton
gradient establishment.
Adjustment knobs are used to focus light in a light microscope
