Question

I. Sequencing Arrange the events that occur during synaptic transmission. Use letters A-F to denote the correct sequence. Use the diagram on the right as a clue. Example: B 1. Ion channel opens 1. Ion channel opens 2. Neurotransmitter is released into synaptic cleft 3. Vesicle fuses with plasma membrane 4. Neurotransmitter binds to receptor 5. Action potential arrives 6. Ion channel closes II. True or False. Write the letter of your choice based on the choices in the box below. (4 pts) A- If only the first statement is correct B- If only the second statement is correct C- If both statements are correct D- If both the statements are incorrect 7. A. The Bowmans gland secretes mucous to dissolve tastants. B. Olfaction has a low threshold and fast adaptability thus smell is difficult to perceive. 8. A. Bitter tastants have the lowest threshold thus it is easily perceived even at a small amount B. Odorants stimulates the G protein in the olfactory hair which leads to events that generates impulses. 9. A. You can identify any taste in all sides of the surface of the tongue. B. The red eye on pictures is reflection of the blood vessels found in the retina. 10. A. The pupil id transparent but appears to be black because of the melanin found in the choroid B. The pupil constricts and relaxes as it controls the amount of light that passes through. III. Matching Type A. Match the neuroglia cell with the correct function. A. Astrocytes B. Microglia C. Ependymal D. oligodendrocytes E. Schwann cells F. satellite cells 11. Cells that produce the myelin in the PNS. 12. Cells that produce the myelin in the CNS. 13. Phagocytes that dispose of debris such as dead brain cells and bacteria. 14. Anchors and braces neurons with cellular projections. 15. Cells have cilia that help circulate the cerebrospinal fluid. 16. Cells help cushion and protect neurons in the PNS. 17. Cells serve as a medium for diffusion between capillaries and neurons. 18. Cells line cavities of the brain and spinal cord B. Match the hormones that are supposed to be added to a plant in order to achieve the following results: a. Auxin b. Gibberellin c. Cytokinin d. Abscisic Acid e. Ethylene 19. unpollinated flowers are treated with this hormone so ovary enlarges and becomes a seedless fruit 20. substitute for temperature or light cues in plant seeds to get them to germinate 21. black spots on banana skin are spots where these are produced inducing ripening 22. seeds/bulbs stay dormant during winter to ensure survival of the plant when it germinates 23. most grape growers spray this in vines to increase length of branches between fruit clusters for more air spaces among fruits to lower fungal infections ____24. sprayed on cut leaves and stems so they will remain green longer while unsprayed leaves will turn yellow and die

I. Sequencing
Arrange the events that occur during synaptic transmission. Use letters A-F to denote the correct sequence. Use the diagram on the right as a clue.
Example:
B 1. Ion channel opens
____1. Ion channel opens
____2. Neurotransmitter is released into synaptic cleft
____3. Vesicle fuses with plasma membrane
____4. Neurotransmitter binds to receptor
____5. Action potential arrives
____6. Ion channel closes
II. True or False. Write the letter of your choice based on the choices in the box below. (4 pts)
A- If only the first statement is correct
B- If only the second statement is correct
C- If both statements are correct
D- If both the statements are incorrect
7. A. The Bowmans gland secretes mucous to dissolve tastants.
B. Olfaction has a low threshold and fast adaptability thus smell is difficult to perceive.
8. A. Bitter tastants have the lowest threshold thus it is easily perceived even at a small amount
B. Odorants stimulates the G protein in the olfactory hair which leads to events that generates impulses.
9. A. You can identify any taste in all sides of the surface of the tongue.
B. The red eye on pictures is reflection of the blood vessels found in the retina.
10. A. The pupil id transparent but appears to be black because of the melanin found in the choroid
B. The pupil constricts and relaxes as it controls the amount of light that passes through.
III. Matching Type
A. Match the neuroglia cell with the correct function.
A. Astrocytes B. Microglia C. Ependymal D. oligodendrocytes
E. Schwann cells F. satellite cells
11. __________ Cells that produce the myelin in the PNS.
12. __________ Cells that produce the myelin in the CNS.
13. __________ Phagocytes that dispose of debris such as dead brain cells and bacteria.
14. __________ Anchors and braces neurons with cellular projections.
15. __________ Cells have cilia that help circulate the cerebrospinal fluid.
16. __________ Cells help cushion and protect neurons in the PNS.
17. __________ Cells serve as a medium for diffusion between capillaries and neurons.
18. __________ Cells line cavities of the brain and spinal cord
B. Match the hormones that are supposed to be added to a plant in order to achieve the following results:
a. Auxin b. Gibberellin c. Cytokinin
d. Abscisic Acid e. Ethylene
__________19. unpollinated flowers are treated with this hormone so ovary enlarges and becomes a seedless fruit
__________20. substitute for temperature or light cues in plant seeds to get them to germinate
__________21. black spots on banana skin are spots where these are produced inducing ripening
__________22. seeds/bulbs stay dormant during winter to ensure survival of the plant when it germinates
__________23. most grape growers spray this in vines to increase length of branches between fruit clusters for more air spaces among fruits to lower fungal infections
__________24. sprayed on cut leaves and stems so they will remain green longer while unsprayed leaves will turn yellow and die

Added by Samantha G.

Biology for AP Courses

Julianne Zedalis, John Eggebrecht

Instant Answer

Solved by Expert Caroline Mcclure

07/01/2022

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I. Sequencing Arrange the events that occur during synaptic transmission. Use letters A-F to denote the correct sequence. Use the diagram on the right as a clue. Example: B 1. Ion channel opens 1. Ion channel opens 2. Neurotransmitter is released into synaptic cleft 3. Vesicle fuses with plasma membrane 4. Neurotransmitter binds to receptor 5. Action potential arrives 6. Ion channel closes II. True or False. Write the letter of your choice based on the choices in the box below. (4 pts) A- If only the first statement is correct B- If only the second statement is correct C- If both statements are correct D- If both the statements are incorrect 7. A. The Bowmans gland secretes mucous to dissolve tastants. B. Olfaction has a low threshold and fast adaptability thus smell is difficult to perceive. 8. A. Bitter tastants have the lowest threshold thus it is easily perceived even at a small amount B. Odorants stimulates the G protein in the olfactory hair which leads to events that generates impulses. 9. A. You can identify any taste in all sides of the surface of the tongue. B. The red eye on pictures is reflection of the blood vessels found in the retina. 10. A. The pupil id transparent but appears to be black because of the melanin found in the choroid B. The pupil constricts and relaxes as it controls the amount of light that passes through. III. Matching Type A. Match the neuroglia cell with the correct function. A. Astrocytes B. Microglia C. Ependymal D. oligodendrocytes E. Schwann cells F. satellite cells 11. ____ Cells that produce the myelin in the PNS. 12. ____ Cells that produce the myelin in the CNS. 13. ____ Phagocytes that dispose of debris such as dead brain cells and bacteria. 14. ____ Anchors and braces neurons with cellular projections. 15. ____ Cells have cilia that help circulate the cerebrospinal fluid. 16. ____ Cells help cushion and protect neurons in the PNS. 17. ____ Cells serve as a medium for diffusion between capillaries and neurons. 18. ____ Cells line cavities of the brain and spinal cord B. Match the hormones that are supposed to be added to a plant in order to achieve the following results: a. Auxin b. Gibberellin c. Cytokinin d. Abscisic Acid e. Ethylene 19. unpollinated flowers are treated with this hormone so ovary enlarges and becomes a seedless fruit 20. substitute for temperature or light cues in plant seeds to get them to germinate 21. black spots on banana skin are spots where these are produced inducing ripening 22. seeds/bulbs stay dormant during winter to ensure survival of the plant when it germinates 23. most grape growers spray this in vines to increase length of branches between fruit clusters for more air spaces among fruits to lower fungal infections 24. sprayed on cut leaves and stems so they will remain green longer while unsprayed leaves will turn yellow and die

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00:01 All right, so let's start with the first question, which is matching.

00:06 So we need to find the correct order for synaptic transmission.

00:16 So in this case, it will be the first step is that the action potential arrives.

00:32 So let's go one, two, three, four, five.

00:38 Six so action potential arrives is what starts everything off so that will be a next the ion channel opens so one is b then the vesicle fuses with the plasma membrane c and then the neurotransmitter is released into synaptic left d and then the neurotransmitter binds to the receptor e and the ion channel closed f.

01:10 So that is the correct order for part one.

01:14 Now, part two, true or false? let's see.

01:20 So we have 7a, 7b, 8a, 8a, 8b, 9a, 9b, and then 10a, 10b.

01:37 So let's look at each of these phrases, determine if they're true or false, or if both are true.

01:42 Oh, shoot.

01:48 So if they're both true, then it's c, and if they're both incorrect, then it's d.

01:54 So seven.

01:57 A, the bowman's gland secretes mucus to dissolve taste ins.

02:00 This is false.

02:01 It dissolves odorants.

02:03 B.

02:04 Low threshold and fast adaptability is difficult to perceive.

02:07 This is true.

02:08 So therefore, the answer here is b.

02:11 Question eight, bitter substances have low threshold and can be perceived in small amounts.

02:15 This is true.

02:17 And b, binding of odorant molecules with specific ors activates the olfactory g -protein, g -lfactory, which in turn activates type 3 adenolicyclyce.

02:29 So this means that b is also true.

02:31 So therefore the answer is c because c means both are true.

02:36 For 9a, the ability to taste sweet, salty, sour, and bitter isn't sectioned off to different parts of the tongue.

02:42 Receptors pick up all these tastes all over the tongue, so this is true.

02:47 B, as your camera flash goes off, the pupil doesn't have time to react, and the light causes a reflection on the retina, which bounces back to the camera.

02:55 And there's a layer on the back of the eye called the corroid, which is full of blood causing the reflection color to be red...

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