What are traits of Negative ions?
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1. Don't bind clay particles
2. Readily available for plant uptake
3. Easily washed away (leaching)
What are 3 ways that animals will respond to climate change?
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1. Migrate
2. Adapt
3. Die
,How are proteins digested?
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1. Begins in the stomach as the stomach secretes HCl + enzymes that help
digest proteins (the enzymes that digest proteins are only active at a low
pH)
2. Occurs in the intestine
3. Final step occurs inside the intestinal cells = by intracellular peptidase
enzymes
How does blue light regulate stomatal opening?
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Phototropins PHOT1 and PHOT2 are the blue light receptors and their
signalling pathway triggers stomata opening (blue light causes the
receptors to get auto-phosphorylated which changed their activity = it
activates H+ATPase)
How is stomach acid secretion regulated?
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1. Though, smell or taste of food
2. Presence of food in stomach (stretches the stomach)
3. Presence of food in intestine
4. Positive + Negative regulator molecules
, How does the brain process the stress response signals?
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2 separate pathways
1. First an initial fear response: Sensory information comes into the thalamus
and sends out to 2 different pathways = sends an immediate fear signal to
the hypothalamus just in case
2. Second a slower more considered response: interprets the signal and
decides whether the stimulus really is scary (if not a signal is sent to the
hypothalamus to turn down the fear response)
How does pressure and velocity of blood flow change in circulation?
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Pressure drops at the arterioles, because the radius of each arteriole is
relatively small so resistance is high
Velocity increases as the area decreases
What are the fundamental features of sensing and responding systems in animals?
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1. External signal
2. Receiver
3. Transducer
4. Amplifier
5. Response
Give this one a try later!
1. Don't bind clay particles
2. Readily available for plant uptake
3. Easily washed away (leaching)
What are 3 ways that animals will respond to climate change?
Give this one a try later!
1. Migrate
2. Adapt
3. Die
,How are proteins digested?
Give this one a try later!
1. Begins in the stomach as the stomach secretes HCl + enzymes that help
digest proteins (the enzymes that digest proteins are only active at a low
pH)
2. Occurs in the intestine
3. Final step occurs inside the intestinal cells = by intracellular peptidase
enzymes
How does blue light regulate stomatal opening?
Give this one a try later!
Phototropins PHOT1 and PHOT2 are the blue light receptors and their
signalling pathway triggers stomata opening (blue light causes the
receptors to get auto-phosphorylated which changed their activity = it
activates H+ATPase)
How is stomach acid secretion regulated?
Give this one a try later!
1. Though, smell or taste of food
2. Presence of food in stomach (stretches the stomach)
3. Presence of food in intestine
4. Positive + Negative regulator molecules
, How does the brain process the stress response signals?
Give this one a try later!
2 separate pathways
1. First an initial fear response: Sensory information comes into the thalamus
and sends out to 2 different pathways = sends an immediate fear signal to
the hypothalamus just in case
2. Second a slower more considered response: interprets the signal and
decides whether the stimulus really is scary (if not a signal is sent to the
hypothalamus to turn down the fear response)
How does pressure and velocity of blood flow change in circulation?
Give this one a try later!
Pressure drops at the arterioles, because the radius of each arteriole is
relatively small so resistance is high
Velocity increases as the area decreases
What are the fundamental features of sensing and responding systems in animals?
Give this one a try later!
1. External signal
2. Receiver
3. Transducer
4. Amplifier
5. Response
