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Physio

QuestionAnswer
Which level of control operates at the cell level, often using genes and enzymes to regulate cell function? Intracellular regulation
Many complex processes of the body are coordinated at many levels. These include:(3) Intracellular, intrinsic, and extrinsic controls.
Events that lead to an immune response to an infection or the formation of a blood clot are examples of? Positive Feedback
Because negative feedback control systems oppose changes that are opposite in direction to the initial disturbance, they are....? Slowed or maintained in the homeostatic range.
Effectors can be described as? Organs that directly influence controlled physiological variables.
What term describes a signal traveling toward a particular center or point of reference? Afferent
What are the basic components of every feedback control loop? [4 things] Sensor mechanism, integrating center, effector, and feedback.
The concept that information may flow ahead to another process to trigger a change in anticipation of an event that will follow is called? Feed- forward.
Which mode of regulation does extrinsic control involve? Nervous and endocrine.
The alpha helix is an example of which level of protein structure? Secondary protein structure.
Which element is present in all proteins but not in carbohydrates? Nitrogen
Name 2 structural lipids found in the cell membrane: Phospholipids and steroids.
Which phase (of interphase) does the DNA replication occur? S-phase
What is the final electron acceptor in the electron transport system? Oxygen
[Mitosis] Which stage do the chromosomes move to opposite ends of the cells along the spindle fibers? Anaphase
A chemical that reduces the amount of activation energy needed to start a chemical reaction is a: Catalyst
What are the 4 phases of mitosis? Prophase, anaphase, metaphase, and telophase.
How does diffusion move in a concentration gradient? It will move down the concentration gradient.
Water pressure that develops in a solution as a result of osmosis into that solution is called _____ pressure. Osmotic.
Created by: user-1989706
 

 



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