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[Show more]What is the fundamental purpose of a sensory receptor? Transduction - conversion of stimulus energy to nerve impulses 
What is the initial effect of a stimulus on a sensory cell? Receptor potential - small, local electrical change on a receptor cell 
What are the two main types of sensory receptors?...
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Add to cartWhat is the fundamental purpose of a sensory receptor? Transduction - conversion of stimulus energy to nerve impulses 
What is the initial effect of a stimulus on a sensory cell? Receptor potential - small, local electrical change on a receptor cell 
What are the two main types of sensory receptors?...
Sugar and CO2 are dissolved in water to make carbonated soft drinks. Which of the following is the solute? the sugar and the CO2 
In aquatic environments, water moves down the water concentration gradient 
Insulin helps the body use food properly by letting sugar enter the cells 
Thinking scientific...
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Add to cartSugar and CO2 are dissolved in water to make carbonated soft drinks. Which of the following is the solute? the sugar and the CO2 
In aquatic environments, water moves down the water concentration gradient 
Insulin helps the body use food properly by letting sugar enter the cells 
Thinking scientific...
Homeostasis the ability to detect change, activate mechanisms that oppose it, and thereby maintain relatively stable internal conditions 
Negative feedback allows for dynamic equilibrium within a limited range around a set point 
Receptor structure that senses change in the body • e.g., stretch re...
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Add to cartHomeostasis the ability to detect change, activate mechanisms that oppose it, and thereby maintain relatively stable internal conditions 
Negative feedback allows for dynamic equilibrium within a limited range around a set point 
Receptor structure that senses change in the body • e.g., stretch re...
Which of the following is a valid hypothesis about the effect of sunlight on plant growth? Plants grow better in the presence of more sunlight than less sunlight 
You decide to do an experiment to test the effects of sunlight on plant growth. You get 30 plants of the same age and species, which are ...
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Add to cartWhich of the following is a valid hypothesis about the effect of sunlight on plant growth? Plants grow better in the presence of more sunlight than less sunlight 
You decide to do an experiment to test the effects of sunlight on plant growth. You get 30 plants of the same age and species, which are ...
In every DNA molecule: the sugar is deoxyribose 
Only animal cells contain DNA; plant cells do not false 
The complementary base pairs in a DNA molecule are stabilized by: hydrogen bonds 
In any DNA molecule, the number of guanine bases will: always be equal to the number of cytosine bases 
Consider...
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Add to cartIn every DNA molecule: the sugar is deoxyribose 
Only animal cells contain DNA; plant cells do not false 
The complementary base pairs in a DNA molecule are stabilized by: hydrogen bonds 
In any DNA molecule, the number of guanine bases will: always be equal to the number of cytosine bases 
Consider...
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