1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
jeka94
3 years ago
12

When a neuron is at its resting state, what is the status of the charges on each side of the cell membrane?

Biology
1 answer:
olga_2 [115]3 years ago
7 0
At its resting state, the inside of the neuron is negative, at around -70 millivolts, while the outside of the neuron is positive. 
You might be interested in
HELP!! DNA was isolated from water samples taken from six different sites. This gel
VladimirAG [237]

After running DNA in a gel, bands of different sizes and species might appear. <em>Scientists know silver carp are at North Shore site 1 because one of the bands in lane 1 matches a band in the positive control (Option C). </em>

<h2>Gel</h2>

When DNA was isolated and run in a gel, many bands migrated to different points.

These bands were the different-sized fragments of DNA samples from different species from the six sites.

<em>Researchers wanted to figure out where the silver carp is. </em>

To do it, they needed to identify the bands on the gel that belonged  to the silver carp DNA, so they included negative and positive controls to make comparisons.

<h3>Positive and negative Controls</h3>

Negative and positive controls guarantee the interpretations of the results.

  • The positive control shows the band sizes that belong to the silver carp DNA.

<em>Any</em><em> band</em><em> in the sampling sites that</em><em> matches</em><em> one of the </em><em>positive control</em><em> bands indicates that the species is present at that site.</em>

  • The negative control is the opposite. It is the absence of the species' DNA.

<h3>Results interpretation</h3>

As we can see, there are four sites where the bands match one of the bands of the positive control. These are,

  1. North shore site 1
  2. Chicago site 1
  3. Calumet site 1
  4. Calumet site 2

This means that at these four sites, the silver carp is present.

<em>So scientists know silver carp are at North Shore site 1 because one of the</em><em> bands</em><em> in </em><em>lane 1</em><em> matches a band in the </em><em>positive control</em><em> (Option C). </em>

By looking at the lane of the North Shore site 1, we can also see another band (Thinner and grey). But this band does not match either of the positive control bands. This result suggests that the grey band belongs to another species' DNA.

You can learn more about gel electrophoresis at

brainly.com/question/9437877

brainly.com/question/895793

4 0
2 years ago
The four nitrogenous bases are also referred to as
sattari [20]

Answer:

i believe the answer is 3

not positive though

Explanation:

3 0
3 years ago
Read 2 more answers
A scientist breeds two different varieties
olga_2 [115]
Selective breeding
hope this helps
5 0
3 years ago
27. In 1986, a meltdown of a nuclear reactor in the city of Chernobyl, in Ukraine, released highly radioactive chemicals into th
Dafna1 [17]

Answer:

I believe the answer could be B

6 0
3 years ago
After incubation, you observe that your streak-plate has heavy, uniform growth but no isolated colonies. Which of the following
Vadim26 [7]

Answer:

Option 3 and 4 are most likely correct

Explanation:

<em>Option 3</em>: We know that area 1 would contain heavy streaking and not single colonies. Therefore, if the loop crosses area 3 and enters area 1, it will definitely result in heavy streaking again.

<em>Option 4</em>: We always need to sterilize properly the loop when streaking in different areas. If we don't do it, it is possible that the loop contains a lot of bacteria that would be streaked again.

Options 1 and 2 are incorrect because, according to question, there is a uniform growth but no isolated colonies. So, contamination or mixed culture would not produce uniform growth streaking rather mixed with other bacterial types.

3 0
3 years ago
Other questions:
  • Please help with questions 5 throught 9
    7·1 answer
  • How can an injury to a peripheral nerve cause loss of both sensory and motor functions?
    6·1 answer
  • What is the difference between a monohybrid cross and a dihybrid cross?
    11·1 answer
  • A small river forms, dividing a group of moles into two isolated populations. After many years, biologist puts moles from opposi
    9·1 answer
  • PLEASE HELP NEED TO PASS MY TEST AND ITS TIMED. NO GUESSING PLEASE
    8·1 answer
  • During photosynthesis, chloroplasts use light energy to convert carbon dioxide and water into sugar and oxygen. Which term best
    9·2 answers
  • What’s this correct answer for this question
    11·1 answer
  • Where are your kidneys located in your body diagram
    9·1 answer
  • What difference in axonal signaling determines whether we experience a mild or a strong sensation?.
    10·1 answer
  • Identify the low-pressure areas on the map.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!