BIOCHEM LAB MIDTERM
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275 questions
| 🇬🇧 | 🇬🇧 |
| At what degree and unit of Temperature will the pH of pure water be 7.0? | 25 degrees Celsius |
| It is an acid/base that ionizes completely in aqueous solution. It completely dissociate in water forming H+/H30+ or OH- and an ion | Strong Acid/Base |
| It is an acid/base that ionizes partially in aq solution. It partially dissociate in water forming H+/H3O+ or OH- and an ion | Weak Acid/Base |
| Small amt of acid per unit of vol | Dilute Acid |
| Large amt of acid per unit of vol | Concentrated |
| It produces H+ ions/H3O+ in aq solution | Arrhenius acid |
| Produces OH- in aq solution | Arrhenius Basic |
| According to him, they are proton donors | Bronsted-Lowry Acid |
| According to him, they are proton acceptors | Bronsted-Lowry Base |
| Acid that can give up two protons | Diprotic Acid |
| Acid that can give up three protons | Triprotic Acid |
| Acid that can give up only one proton | Monoprotic Acid |
| It is the reaction of proton transfer | Acid-base reaction |
| Is a substance formed when an acid donates a proton to another molecule or ion (bawas H+) | Conjugate Base |
| What does pH stands for? | Potential of Hydrogen |
| A substance that changes color at certain pH | PH indicator |
| Buffers can be also considered as __________ | Shock absorbers |
| It is the amount of hydrogen or hydroxide ions that a buffer can absorb without a significant change in its pH | Buffer Capacity |
| It is a mathematical relationship between pH, the pKa of a weak acid, and the concentrations of the weak acid and its conjugate base | Henderson-Hasselbalch Equation |
| In blood buffers, the most important in the system is the | Carbonate Buffer |
| In blood buffers, the second most important in the system is the | Phosphate Buffer |
| It is caused by excessive loss of HCO3 from the blood that can caused by renal failure, diabetic ketoacidosis, shock, severe diarrhea | Metabolic Acidosis |
| It is caused by a buildup of CO2 in the blood that can caused by hypoventilation, drug overdose, pulmonary edema, airway obstruction | Respiratory Acidosis |
| It is caused by a low level of CO2 in the blood that can caused by hyperventilation, anxiety, fever | Respiratory Alkalosis |
| It is caused by a loss of acid from the blood that can caused by loss of gastric juices, overuse of antacids | Metabolic Alkalosis |
| What will happen if an acetate buffer was added by HCl or NaOH, will it change the pH? or Retain? | Retain |
| Identify the organelle shown below | Mitochondrion |
| Identify the structure | Golgi Apparatus |
| Identify the organelle shown below | Mitochondrion |
| TRUE OR FALSE: The mitochondrion is believed to be a eukaryotic cell engulfed by a prokaryotic cell | False |
| What is the function of the image below? | It is involved in protein folding, quality control and dispatch |
| It means "before nucleus" | Prokaryote |
| Identify the blue structure | Cytosol |
| What eukaryotic cell structures does not contain DNA? | Endoplasmic Reticulum |
| What is the function of the image below? | It provides the cell with energy |
| It is a semi-permeable structure that forms closed compartments around cellular protoplasm | Cell membrane |
| English Physicist that published his Micrographia, and made improved microscope and discovered cells in cork | Robert Hooke |
| A German Botanist cofounder of the cell theory, defined the cell as the basic unit of plant structure | Matthias Jakob Schleiden |
| A German Pathologist, aka Father of modern Pathology and founder of social medicine, proposed an important extension of cell theory | Rudolph Virchow |
| This cell lacks nucleus and membranous organelles | Prokaryotic Cell |
| A eukaryotic cell that has no nucleus | Red Blood Cell |