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Poonam Singh
Finals
| Question | Answer |
|---|---|
| Pathogenesis can be defined as: | the course of disease development. |
| Homeostasis can best be described as: | a state of relative constancy. |
| If the secretion of oxytocin during childbirth operated as a negative-feedback control loop, what effect would it have on uterine contractions? | Oxytocin would inhibit uterine contractions. |
| The impact of effector activity on sensors may be positive or negative. Therefore, homeostatic control mechanisms are categorized as | organs that are directly influenced by physiological variables or mechanisms. |
| To accomplish self-regulation, a highly complex and integrated communication control system or network is required. This type of network is called a(n) | feedback control loop. |
| Which of the following is not one of the basic components in a feedback control loop? | Transmitter |
| Intracellular parasites that consist of DNA or RNA surrounded by a protein coat and sometimes by a lipoprotein envelope are called: | viruses. |
| Which of the following is polymer of glucose that is sometimes referred to as animal starch? | Glycogen |
| A triglyceride is composed of a glycerol molecule and three of the same type of fatty acid. | False |
| What determines how a protein performs? | shape |
| A structural lipid found in the cell membrane is a: | phospholipid & steroid. |
| Which of the following is not true of both triglycerides and phospholipids? | They both contain a hydrophobic and hydrophilic end. |
| Water will move through the cell membrane by: | osmosis. |
| During which stage of mitosis do the centrioles move to the opposite poles of the cell? | Prophase |
| The site of transcription is within the nucleus, whereas the site of translation is in the cytoplasm. | True |
| Meiotic division occurs in | primitive sex cells. |
| If oxygen is available, the pyruvate molecules formed by glycolysis are prepared to enter the next phase of aerobic cellular respiration, called the | citric acid cycle. |
| In which stage of mitosis do chromosomes move to the opposite ends of the cells along the spindle fibers? | anaphase |
| Osmosis can be defined as | the net movement of water molecules from a region of lower solute concentration to a region of higher solute concentration. |
Created by:
PoonamSingh
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