With the aid of diagrams, describe the mechanisms that the cell uses to control intracellular calcium...
With the aid of diagrams, describe the mechanisms that the cell uses to control intracellular calcium levels. Name two drugs that affect these processes, indicating their mechanism of action and effect on calcium levels. Pharmacology
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With the aid of diagrams, describe the mechanisms that the cell
uses to control intracellular calcium...
with the aid of diagrams, explain the key differences between zipper and trigger mechanisms of bacterial...
with the aid of diagrams, explain the key differences between zipper and trigger mechanisms of bacterial cell invasion. details of intracellular behavior not required.
(2 A4 pages) Describe, with the aid of diagrams, the process of RNA transcription, including the...
(2 A4 pages) Describe, with the aid of diagrams, the process of RNA transcription, including the enzyme(s) involved (90%) and give two examples of drugs/toxins that affect the process (10%).
With diagrams, describe two different mechanisms in which gene expression is controlled at the translational and...
With diagrams, describe two different mechanisms in which gene expression is controlled at the translational and post-translational levels. You must cite an example for each of these control mechanisms.
Part 1. Eukaryotes use at least two distinct mechanisms to control gene expression by altering the...
Part 1. Eukaryotes use at least two distinct mechanisms to control gene expression by altering the structure of chromatin around a particular gene. One of these mechanisms is the covalent modification of histones to switch DNA between an open and closed confirmation. A second mechanism is the covalent modification of DNA (typically on cytosines) by methylation. A. Describe a type of histone modification and explain what effect is has on chromatin, and how that effect is achieved. a. One type...
1. Describe the anatomy of the somatic nervous system, the key transmitter and receptor type involved...
1. Describe the anatomy of the somatic nervous system, the key transmitter and receptor type involved in skeletal muscle activation, and the physiologic consequences of activating those cell receptors. 2. Compare and contrast the mechanisms of action of nondepolarizing and depolarizing neuromuscular blocking agents and state how these actions influence the use of one class rather than the other in specified clinical situations. 3. Identify three specific uses for neuromuscular blocking agents and describe the monitoring and other measures necessary...
. Define hormone . Describe paracrine communication. Identify four mechanisms of intercellular communication. List t...
. Define hormone . Describe paracrine communication. Identify four mechanisms of intercellular communication. List the three types of hormones based on their chemical structure. Provide examples of each type Describe the process of hormones that communicate with the plasma membrane receptors. . What primary factor determines each cell's hormonal sensitivities? . Identify the two lobes of the pituitary gland. How do they differ structurally and functionally? . List and discuss the functions of the 9 pituitary hormones Describe the feedback...
AS AM Sun Feb 23 . 16. Describe opioid drug-related factors that contribute to the development...
AS AM Sun Feb 23 . 16. Describe opioid drug-related factors that contribute to the development of physical and psychologic dependence. What are some side effects of opioids? What side effects will the patient develop a tolerance to after long term use? Identify drug- and administration-related factors that affect the severity of physical dependence and the severity and duration of withdrawal signs and symptoms when administration of that drug is stopped suddenly 17. Describe the uses, benefits, and limitations of...
Bio 152 mideterm paper. 12. Name and explain the 3 types of movement across a plasma...
Bio
152 mideterm paper.
12. Name and explain the 3 types of movement across a plasma membrane, Circle the letter of the type that keeps a resting neuron at-70mV. How does the cell do this? 13. List the 3 types of Functional neurons and their purposes * 14. In your own words, describe how an Action Potential (AP) gets started. * 15. List the steps necessary for chemical information transmission across a synapse. Start your description where the AP reaches...
1. A. Name the three planes and the positions they each describe to identify a unique...
1. A. Name the three planes and the positions they each describe to identify a unique position in the human body. B. Name the two major ventral body cavities plus the major organs found in them. C. Name the cavities that the heart and lungs reside in. D. Finally, list the six levels of organization in nature. 2. A. Describe the three components of an atom in terms of charge and location. Define atomic mass and atomic number. B. For...
The Brain on Mind Altering Drugs Psychoactive drugs alter brain function by acting at synapses in the brain, where they may mimic, enhance, or block the effects of natural signaling molecules (neurotr...
The Brain on Mind Altering Drugs Psychoactive drugs alter brain function by acting at synapses in the brain, where they may mimic, enhance, or block the effects of natural signaling molecules (neurotransmitters). The neurotransmitter dopamine plays a particularly important role in creating the dependency aspect of both drug and behavioral addictions. Natural behaviors which enhance survival and/or reproduction, such as eating or engaging in sex, result in a surge of dopamine. Normally, this response helps individuals learn to repeat beneficial...
With diagrams, describe two different mechanisms in which gene expression is controlled at the translational and post-translational levels. You must cite an example for each of these control mechanisms.
Part 1. Eukaryotes use at least two distinct mechanisms to control gene expression by altering the structure of chromatin around a particular gene. One of these mechanisms is the covalent modification of histones to switch DNA between an open and closed confirmation. A second mechanism is the covalent modification of DNA (typically on cytosines) by methylation. A. Describe a type of histone modification and explain what effect is has on chromatin, and how that effect is achieved. a. One type...
. Define hormone . Describe paracrine communication. Identify four mechanisms of intercellular communication. List the three types of hormones based on their chemical structure. Provide examples of each type Describe the process of hormones that communicate with the plasma membrane receptors. . What primary factor determines each cell's hormonal sensitivities? . Identify the two lobes of the pituitary gland. How do they differ structurally and functionally? . List and discuss the functions of the 9 pituitary hormones Describe the feedback...
AS AM Sun Feb 23 . 16. Describe opioid drug-related factors that contribute to the development of physical and psychologic dependence. What are some side effects of opioids? What side effects will the patient develop a tolerance to after long term use? Identify drug- and administration-related factors that affect the severity of physical dependence and the severity and duration of withdrawal signs and symptoms when administration of that drug is stopped suddenly 17. Describe the uses, benefits, and limitations of...
Bio
152 mideterm paper.
12. Name and explain the 3 types of movement across a plasma membrane, Circle the letter of the type that keeps a resting neuron at-70mV. How does the cell do this? 13. List the 3 types of Functional neurons and their purposes * 14. In your own words, describe how an Action Potential (AP) gets started. * 15. List the steps necessary for chemical information transmission across a synapse. Start your description where the AP reaches...
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