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Questions (576)
Use the dropdown lists to complete the statement: During phase 3 of the action potential,
[ Select ] are open and [ Select ]
3 answers
56 views
During phase 3 of the action potential, (chose one)
A. chemical gated ion channels B. voltage gated Na + channels C. voltage
3 answers
56 views
True/False: The black arrow on the graph is pointing to threshold which is the membrane voltage at which voltage-gated Na+
3 answers
47 views
red arrow is pointing to:
A. threshold B. resting membrane potential C. +30 mv D. -55 mv which is roughly: A. -70 B. -55 C. +30
3 answers
63 views
Describe the process of neurotransmitter secretion. What does this neurotransmitter do once its secreted? How is it removed from
3 answers
78 views
What role do voltage-gated ion channels play in the generation and propagation of action potentials in neurons?
3 answers
58 views
If sodium ions diffuse into the cell freely, how will the resting membrane potential change?
Group of answer choices not change
3 answers
59 views
Multiple select. Choose all that apply: During the repolarization phase of an action potential, which of the following are true:
3 answers
54 views
Multiple select. Choose all that apply: What is occurring as membrane potential reaches the value of threshold?
Group of answer
3 answers
63 views
In a resting cell, if potassium ion channels open and allow potassium to diffuse freely across the membrane, what will be the
3 answers
54 views
Conscious perception of which senses would be affected by damage to the temporal lobes of the cerebrum?
Select an answer and
3 answers
51 views
What is the primary function of the cerebellum?
Select an answer and submit. For keyboard navigation, use the up/down arrow keys
3 answers
49 views
When using the membrane filtration method to determine bacterial concentrations,
the flow-through contains the bacterial cells
3 answers
58 views
A spectrophotometer provides a
qualitative measurement of bacterial growth an exact measurement of bacterial numbers a
3 answers
53 views
What does CFU stand for?
countable forming units contaminating forming units colony forming units colony filterable units
3 answers
38 views
You put 1 ml of culture into 9 ml of broth diluent, and then you put 1 ml of that dilution into 9 ml of broth diluent, and then
3 answers
51 views
A gas pak in an anaerobic jar
contains sodium bicarbonate removes oxygen from the air inside the jar induces the formation of
3 answers
42 views
1. A gas pak in an anaerobic jar
a. contains sodium bicarbonate b. removes oxygen from the air inside the jar c. induces the
3 answers
42 views
A gas pak in an anaerobic jar:
-contains sodium bicarbonate -removes oxygen from the air inside the jar -induces the formation of
3 answers
35 views
The indicator resazurin:
is pink in the absence of oxygen is colorless in the absence of oxygen drives off absorbed oxygen none
3 answers
37 views
The indicator methylene blue
Is blue in an anaerobic environment Is blue when oxygen is present Is pink when oxygen is present
3 answers
39 views
The indicator methylene blue:
-Is blue in an anaerobic environment -Is blue when oxygen is present -Is pink when oxygen is
3 answers
53 views
You want to create a 1:20 dilution of a bacterial culture. You want a total of 40 ml of diluted bacterial culture, how much
3 answers
46 views
Where can a sperm enter a Drosophila egg?
Select an answer and submit. For keyboard navigation, use the up/down arrow keys to
3 answers
54 views
Drosophila, like most insects, have embryos that undergo a type of cleavage in which there is a large central yolk mass
3 answers
48 views
What does it mean to say that Drosophila embryos have syncytial specification?
Select an answer and submit. For keyboard
3 answers
68 views
Which molecular interaction is crucial for early posterior determination in the Drosophila egg?
Select an answer and submit. For
3 answers
50 views
How does the position of the oocyte nucleus contribute to the development of the dorsal-ventral axis in Drosophila?
Select an
3 answers
55 views
Which insect has a similar behaviour to one of the function of the worker honeybee
3 answers
42 views
If Helium gas is added to a balloon already partially filled with helium gas why does the balloon inflate
3 answers
47 views
Helium gas is added to a balloon, already partially filled with helium gas. Why does the balloon inflate
3 answers
46 views
What caused the existence of Andes mountains along the west coast of South America
3 answers
40 views
All of the following factors are related to the plate tectonics model of the western coast of South America except the
3 answers
40 views
A honey bee is attracted to the smell color and design of a flower. The bee carrying pollen from other flowers brushes against
3 answers
50 views
A honey bee is attracted to the smell color and design of a flower. The bee carrying pollen from other flowers brushes against
3 answers
97 views
There is an insect that is so thin that it is called a Walkingstick locating this insect requires a keen die for the
3 answers
44 views
Why is it dangerous to replace a fuse with a wire that bypasses the fuse
3 answers
53 views
4. Explain why biofilms are a concern in medicine.
2 answers
25 views
Compare and contrast endotoxins and exotoxins.
2 answers
20 views
What bacteria are important in the human gut and what evidence do we have that specific bacteria present are important for human
2 answers
46 views
Researchers have proposed that the herpes virus responsible for the childhood illness roseola may cause a type of T cell
2 answers
50 views
An electric current releases heat to The Wire in which it is travelling which of the following electric appliances would best
1 answer
43 views
Which of the following situations demonstrates a direct energy transfer?
1 when the traffic signal turns red, automobiles stop 2
1 answer
44 views
Which of the following situations would be most similar to an electrical current passing true a metal wire in a closed circuit?
1
1 answer
64 views
Which gas would readily flow underground if it was released
1 answer
33 views
Which gas would readily flow on the ground if it was released 1 chlorine 2 ethyne 3 Helium 4 hydrogen 5 nitrogen
1 answer
55 views
Which of the following statements best accounts for the observation that an oversupply of sugar crystal will collect at the
1 answer
52 views
Which of the following organism are most important for a healthy lawn?
birds, moss, bacteria, leaf hoppers, bees
1 answer
45 views
Which of the following would aim in developing a rich soil a bird
b earthworm c dead leaves
1 answer
43 views
Which of the following would aim in developing a rich soil?
a bird b earthworm c dead leaves A only B only C only A and b only B
1 answer
40 views
Which of the following statements described the most serious long-term environmental damage produced by oil spills in the ocean?
1 answer
61 views
What is the best course of action to follow after receiving a preliminary weather advisory for azards such as tornadoes
1 answer
61 views
A fire caused by slow accidental process called spontaneous combustion can start in paint soaked rugs that are stored in a close
1 answer
60 views
When the human body begins to overeat it attempts to maintain a constant temperature through several mechanisms including
1 answer
91 views
Many birds eat butterflies for food. However the monarch butterfly has a bad taste and is therefore avoided by birds. The vice
1 answer
67 views
Pelagra was believed to be an infectious disease promoted by unsanitary conditions. It was common in sanitariums and orphanages
1 answer
47 views
The beach North East of thule greenland Was raised above sea level when the glaciers Melted raising the continental crust . The
1 answer
42 views
The rate of a chemical reaction increases as the temperature of the reacting materials increases. Baking powder gives off carbon
1 answer
49 views
Give me the descriptions of the small town stores the author would most likely view modern shopping malls as places.
Catering the
1 answer
63 views
According to the excerpt Mr. Collins is probably the kind of person who is concerned about
Romantic involvement, Seeing another's
1 answer
34 views
Mister Collins says he's proposing to Elizabeth because
Elizabeth personality will display lady Catherine Elizabeth as shown or
1 answer
76 views
Lady Catherine De bough remarks the mr Collins lines 33 to 34 indicate that she
Is only routinely concerned with mister Collins
1 answer
58 views
Grandmother let her former lover go on Israel because she thought he
Was too old wouldn't know who she was was someone else Was
1 answer
44 views
If prizes for a carnival are priced at 5 for 80 cents how much would 250 prizes cost
1 answer
54 views
Given the formula Y equal 2X [Z plus 3] find Y iF Z equal 2 and X equal 4
1 answer
14 views
Which of the following expressions showed equation to use in finding the dimensions of a cube N by N with a volume of 125
N3 =125
1 answer
56 views
If angles 1 and 2 in triangle a CD are each 45° angles what is the measure of angle 3
1 answer
17 views
For which value of Xbox is the inequality 2X > 6 true
1 answer
23 views
For which value of X is the inequality 2X > 6 true
0 1 2 3 4
1 answer
12 views
2 circles intersect at point T if the smallest circle has a radius are 4 and c is the centre of the larger circle then the
1 answer
64 views
If a large elm tree died after it was struck by lightning. The property owner thinks he can remove it himself, but he's
1 answer
70 views
Vicky earns $20000 a year as a bookkeeper if seriously varies of 2% I couldn't use 2000 pronounce total salary be represented
1 answer
42 views
One angle of triangle is 90° if the ratio of the legs is 1:1 what are the measures in degrees of the 2 remaining angle
1 answer
34 views
A cylindrical gasoline can is 18 inches across and 20 inches tall which expression Represent the approximate volume in cubic
1 answer
41 views
I want to have true allegheny county natalie Drove the US for 9 Miles then turn left and proceed to drive due South after
1 answer
49 views
How does the author feel about American small town
Angry Nostalgic Spiteful Embarrassed Relieved
1 answer
51 views
Given the descriptions of the small town stores the author would most likely view modern shopping malls as places
Catering to
1 answer
65 views
How does the author of what was the American small town like felt about the American small town?
Angry Nostalgic Spiteful
1 answer
67 views
Given the formula Y equal 2X [Z plus 3], find Y iF Z equal 2 and X equal 4
1 answer
16 views
how does hay bacillus grow in lab?
how can hay bacillus be identified?
1 answer
35 views
why is it important people know about hay bacillus?
1 answer
32 views
How can e.coli be grown in lab?
How can e.coli be identified?
1 answer
39 views
How is sex (male/female) determined in birds?
a. number of sets of chromosomes b. total number of sex chromosomes c. females have
1 answer
72 views
True/False: exposure to tetrodotoxin may cause paralysis because skeletal muscle cannot contract without communication from a
1 answer
40 views
Multiple select. Choose all that apply:
Which of the following is an event that has to occur to begin/initiate an action
1 answer
58 views
Multiple select. Choose all that apply:
Which of the following protein ion channels are open at rest? Group of answer choices Na+
1 answer
68 views
Multiple select. Choose all that apply:
Which of the following functions of neurons is not possible in neurons exposed to
1 answer
57 views
Multiple select. Choose all that apply:
Which of the following functions of neurons is not possible in neurons exposed to
1 answer
61 views
Which of the following voltages would cause a voltage-gated sodium channel to close from an open state?
Group of answer choices
1 answer
40 views
Multiple select. Choose all that apply:
In which of the neuronal structures are voltage-gated ion channels located? Group of
1 answer
64 views
Which area acts as a filter/throughway for sensory information traveling into the primary sensory cortex of the cerebrum?
Select
1 answer
50 views
The superior colliculus is a (an) _____ reflex center while the inferior colliculus is a (an) _____ reflex center.
Select an
1 answer
43 views
Unit 7 Lesson 7 Evaluating formal writing
What elements should be included in formal writing? (hint: page 8/11 in Lesson 7!)
1 answer
72 views
Express the function in terms of the natural logarithmic and natural exponential functions (base ).
1.) f(x)=
1 answer
45 views
Express the function f(x)=g(x)^h(x) in terms of the natural logarithmic and natural exponential functions (base e).
f(x)=
1 answer
45 views
The accompanying table shows the time of useful consciousness at various altitudes in the situation where a pressurized airplane
1 answer
30 views
Evaluate the derivative.
y=3x^(4π)
1 answer
46 views
Which option is the best hook to introduce an argumentative essay about why it is important for kids to have a hobby
3 answers
172 views
Determine the number that 88 is divisible bye from the choices provided?
1 answer
31 views
Determine the number greater than 19 and less 34 that is divisible by 6 and 10
1 answer
54 views
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