Answer: Sensory Neuron
Explanation:
Sensory Neuron is defined as “a nerve cell that receives messages from the outer part of the body and carries them to the brain or spinal cord.” The outer part of the body could also be called “sense organs,” which is the phrase used in your question.
Answer:
Sensory Neuron
Explanation:
Both phospholipids and proteins are asymmetrically located in cell membranes - meaning the outer half and the inner half of the bilayer contain different phospholipids and the proteins have a cytoplasmic side and an "out" side. In experiments when detergents are used to disrupt the cell membrane, a water soluble mixture of lipids and proteins is the result. Then, if the detergents are subsequently removed by dialysis, the lipid bilayer will reform spontaneously with the proteins included. Except now the asymmetry is gone and both proteins and lipids are located randomly in the newly formed membrane. What does this result tell you about how the cell synthesizes cellular membranes
Answer:
The process of cell membrane synthesis is regulated.
Explanation:
The components of cell membrane (lipids, proteins, carbohydrates) are synthesized inside the cell organelles: endoplasmic reticulum and Golgi apparatus. After the synthesis, they are transported via vesicular transport also called vesicular trafficking. The transport is also very regulated process (molecules contain transport signal sequences). Components are secreted from the vesicles via exocytosis, when they arrive to their target location.
Which statement best describes how the evolution of pesticide resistance occurs in a population of insects?A. Individual members of the population slowly adapt to the presence of the chemical by striving to meet the new challengeB. All insects exposed to the insecticide begin to use a formerly silent gene to make a new enzyme that breaks down the insecticide moleculesC. Insects observe the behavior of other insects that survive pesticide application, and adjust their own behaviors to copy those of the survivorsD. A number of genetically resistant pesticide survivors reproduce. The next generation of insects contains more genes from the survivors than it does from susceptible individuals
Answer:
D. A number of genetically resistant pesticide survivors reproduce. The next generation of insects contains more genes from the survivors than it does from susceptible individuals
Explanation:
Pesticide resistances in a population of insects usually occurs as a consequence of mutation. Individuals that carry the resistance mutation become favourable by natural selection.
Natural selection is evolutionary mechanism which favours traits of an organism that help him survive and reproduce. In the example, above, resistant insects that survived after the use of pesticide had the favuoruable trait (resistance) by natural selection.
Which process(es) of the water cycle— precipitation, evaporation, condensation, runoff, percolation or transpiration— that might contribute to the addition of pollutants to rivers, lakes, oceans? Why?
Runoff percipatation contributes to the dirty water because the rain water picks pollutants from the water and than it falls to the earth and than water continues and spreads into the large body of waters
The process of the water cycle that might contribute to the addition of pollutants to rivers, lakes, and oceans is runoff.
Runoff is exactly as it sounds. It is described as when water runs off the land. This water commonly drains towards:
Rivers LakesOceansand other bodies of water.
Though pollution is present in every part of the water cycle, it is most visible during runoff. During runoff, water travels downhill through the land, eroding the soil and carrying asking anything it finds asking the way, such as garbage. This garbage then end up in the larger bodies of water and contributes to their pollution.
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Which of the following best describes an example of a specific immune response to pathogens?
Cytotoxic T cells are activated and destroy cells that pathogens have invaded.
Fever increases body temperature and speeds up the body’s reaction to pathogens.
Phagocytes identify cells invaded by pathogens and mark them for destruction.
Mucus traps pathogens and destroys them before they can enter the body.
Cytotoxic T cells play a crucial role in the body's specific immune response by identifying and destroying cells infected with pathogens, with a few remaining as memory cells for faster response upon re-infection.
The specific immune response to pathogens involves the activation and function of cytotoxic T cells (CTLs). When these cells encounter infected body cells presenting specific pathogen antigens using Major Histocompatibility Complex (MHC) I molecules, they become activated. These activated cytotoxic T cells then use various mechanisms, such as releasing toxins, to destroy the infected cells, thereby containing the spread of the infection. These cells are particularly important when a pathogen has entered a cell, making it invisible to the humoral immune response which deals with pathogens in bodily fluids. The persistence of a few memory cytotoxic T cells after an infection ensures a quicker immune response if the same pathogen re-infects the body in the future.
Primary succession is most likely caused by .