Suppose that the concentration of Ca outside the cell is 10 and inside the cell is 0.1 mmol/liter. The Nernst equation at 20oC is: You set the membrane voltage at 58 millivolts using a voltage clamp, and measure membrane current. If Ca is the only ion crossing the membrane, you would expect to see: Group of answer choices 0 current positive charges flowing out of the cell the membrane potential becomes more positive positive charges flowing into the cell

Answers

Answer 1

Answer:

0 current

Explanation:

Ca+ initial concentration is same both inside and outside, therefore there will be zero current on initial membrane. The membrane voltage is set at 58 multivolts which cause current flow in membrane and cell membrane is charged positively.


Related Questions

Please help;
Given the range of current speeds shown on the graph above, would deposition ever be possible for clay (0.001 mm) or silt (0.01mm) particles?
Answer yes or no and explain your answer.

Answers

Answer:

Yes.

Explanation:

Yes, deposition can be possible for clay (0.001 mm) and silt (0.01mm) particles when the agent that carry its load is absent in that region such as wind. Wind is the agent that moves clay and silt particles with it so if there is high wind in a specific region, no deposition will occur while on the other hand, those areas where wind is not present, deposition will definitely occurs so we can say that deposition depends on the presence and absence of wind.

What is produced during the replacement reaction of Ba(NO3)2 and Na2SO4?

2BaNa + 2NO3SO4
2NaNO3 + BaSO4
NaNO3 + BaSO4
BaNa2 + (NO3)2SO4

Answers

Answer:

2NaNO3 + BaSO4

Explanation:

Answer:

2NaNO3 + BaSO4

Explanation:

Hydrocarbons are burned to produce water and carbon dioxide. Propane (C3H8) is a homologous series alkane that belongs to the hydrocarbon family. As a result, when propane is burned, three molecules of carbon dioxide and four molecules of water are produced.

Because there is an overabundance of oxygen, carbon dioxide is created when butane is completely burned.

Help .....plz help....​

Answers

Answer:

2. sedimentation (decantation follows sedimentation)

3. immiscible (water and oil never mix with each other)

4. size

5. evaporation (condensation chills the mixture where evaporation heats the mixture )

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Answer:

pls mark it as brainliest

sedimentation

immiscible

evaporation

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What role do government agencies play in a mixed market economy?
They run shipping companies and other sources of distribution.
They own farms, factories, and other sources of production.
They regulate some aspects of production and distribution,
O They employ most of the workers in the economic system.
Save and Exit
Next
Submit
Mark this and retum
ty

Answers

Answer:

They regulate some aspects of production and distribution

Explanation:

Got it Correct

In a mixed market economy, government agencies regulate some aspects of production and distribution. Hence option C is correct.

What is a mixed market economy?

A mixed market economy is an economic system that combines elements of a free market system with elements of government intervention and regulation.

In a mixed market economy, goods and services are produced primarily by private individuals and businesses operating in a market environment. However, the government also regulates and oversees economic activity, and may provide goods and services directly to the public.

In a mixed market economy, the government's role is typically focused on providing public goods and services, protecting consumers, and maintaining competition.

This may include regulating some aspects of production and distribution, and ensuring that businesses operate in a fair and ethical manner. At the same time, individuals and businesses are generally free to pursue their own economic interests and to compete in the market on a level playing field.

Hence option C, they regulate some aspects of production and distribution is correct.

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This is the last

What are the vestigal organs present in human body??​

Answers

Answer:

Charles Darwin listed a number of putative human vestigial features, which he termed rudimentary, in The Descent of Man (1871). These included the muscles of the ear; wisdom teeth; the appendix; the tail bone; body hair; and the semilunar fold in the corner of the eye.

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how do the decisons that we make each day influence how efficiently our body operates

Answers

Answer:

Our decisions have direct impact on the operations or actions of our body.

Explanation:

The decisions that we make each day greatly influence our body and efficiently our body operates because the activities we do in daily life put pressure on our body system. If our decisions force us to do hard work so it makes our body more stronger and healthier as compared to those decisions which requires no hard work so our body is not strong enough and our body can't operates efficiently.

Los microondas tienen una frecuencia mayor a las ondas de radio. verdadero o falso,justifique

Answers

Los microondas tienen una frecuencia mayor a las ondas de radio.Verdadero o Falso.

Verdadero.

→ Porque, los microondas con/y las radiofrecuencias son radiaciones electromagnéticas de mayor frecuencia.

SALUDOS!

MiraculousAlejandra

Describe the similarities and differences between the cheek cell wet mount and dental plaque wet mount.

Answers

Answer:

Cells from the cheek are a type of epithelial cell, similar to skin. ... They can be seen faintly even at 40x (scanning power), but the most dramatic images are at 400x where the nucleus is clearly visible as a dark spot in the center of the cell.

Explanation:

Indicate whether each statement is true or false: 1. Compliance is the tendency for blood vessel volume to increase as blood pressure decreases. True 2. Blood vessels with a large compliance exhibit a small increase in volume when the pressure increases a small amount. True 3. Venous compliance is approximately 24X greater than arterial compliance, so as venous pressure increases the volume of veins greatly increases. True

Answers

Answer:

1. False

2. False

3. True

Explanation:

1. Compliance is the capacity of a container to increase in size to allow it hold more content. Blood vessel, arteries and veins expand (increase in volume) to be able to accommodate a surge in blood flow, which is as a result of an increase in pressure of the blood from the heart pumping of the blood

Therefore, compliance in the tendency for blood vessel volume to increase as the blood pressure increases not decrease

The statement is false

2. A large compliance is indicative of being highly sensitive to changes in pressure

Compliance, C = ΔV/ΔP

From the above equation, a blood vessel with a large compliance, exhibit a large increase in volume when the increase in pressure is small

Therefore, the statement 'Blood vessels with a large compliance exhibit a small increase in volume when pressure increases a small amount; is false

3. The compliance of the vein ranges from 10 to 20 times (30 times in some literature) greater than arteries. A factor which can be affected by the vascular smooth muscle contraction or relaxation

Therefore, the statement, 'venous compliance is approximately 24 times larger than arterial compliance, so as venous pressure increases the volume of veins greatly increases' is true


If the time interval is 55 seconds, what is the distance to the epicenter?

Answers

the answer to this question is 800

How do make a sperm cell go in to a woman

Answers

During sex, sperm cells travel through the vagina to the uterus and fallopian tubes. In the fallopian tube, the sperm meets the egg that was released from the ovary during ovulation.

The immunoglobulin light chain does not have a D segment. In humans, there are two different possible light chain proteins, termed kappa and lambda. Assume that there are 35 V segments and 5 J segments in the human kappa light chain region, and there are 30 V segments and 4 J segments in the human lambda light chain region. How many possible light chain genes can be created from these different segments, simply due to combinatorial diversity

Answers

Answer:

295  

Explanation:

Antibodies (also known as immunoglobulins) are immune system-related proteins that circulate in the bloodstream in order to recognize pathogenic harmful substances (antigens) and neutralize them. An antibody consists of two immunoglobulin heavy chains and two immunoglobulin light chains. There are two types of immunoglobulin light chains: 1-the kappa (κ) light chain, which is encoded by the immunoglobulin κ locus; and 2-the lambda (λ) light chain, which is encoded by the immunoglobulin λ locus. The immunoglobulin light chain is a multidomain protein composed of two domains: 1- the N-terminal variable (V) domain and 2-the C-terminal constant (C) domain. V(D)J recombination is a type of somatic rearrangement process by which T and B cells can assemble different gene segments, which are referred to as variable (V), diversity (D) and joining (J) gene segments. In the question above the number of possible genomic recombination events between immunoglobulin gene segments can be calculated as >> (5 x 35) + (4 x 30) = 295.

Which purpose is the main function of the light-dependent reactions of photosynthesis?

Answers

Answer:

The overall purpose of the light-dependent reactions is to convert light energy into chemical energy. This chemical energy will be used by the Calvin cycle to fuel the assembly of sugar molecules. The light-dependent reactions begin in a grouping of pigment molecules and proteins called a photosystem.

The light-dependent reactions convert light energy into chemical energy. The goal of the light-dependent reactions of photosynthesis is to collect energy from the sun and break down water molecules to produce ATP and NADPH. These two energy-storing molecules are then used in the light-independent reactions.

Locate each of the following general areas of your body as listed in the background by pointing to areas on your body in reference to body orientation terms. Become familiar with these terms so you can eventually recall their meanings without referring to the background.

a. Anterior
b. Caudal
c. Cephalic
d. Deep

Answers

Answer:

a. Anterior: Refers to the front of the body, which comprises the face and abdomen.

b. Caudal: Refers to the lower structures of the body, starting from the waist towards the foot.

c. Cephalic: Refers to the entire head region.

d. Deep: Refers to the inner core regions of the body, such as the bones within the muscle, the organs, among other internal structures.

Explanation:

The regions of the body presented above are very important for all health professionals, as it facilitates the study and understanding of the human body and the structures that make it up. In addition, the memorization of these terms allows health professionals to talk clearly about the injuries that patients have and the best way to treat them.

Which characteristic of a dog is inherited?


Barking

Doing tricks

Walking on a leash

Whining for food

Answers

Answer:

Barking is inherited characteristic of dog.

Explanation:

They inherit that from their ancestors.

Barking
The other is learn

DNA and RNA are structurally similar in some ways but different in others. Identify whether each of the statements applies to DNA, RNA, both RNA and DNA, or neither DNA nor RNA.

Answers

What are the statements?

56:25
If blood is in short supply, which blood type would be the most beneficial to have on hand if someone needed a blood transfusion?
O+
O–
AB+
AB–

Answers

I think it’s o+ if not try o- sorry if this was no help

what is the waterfalls ​

Answers

Answer:

waterfall is a falling of a river or other body of water over a steep Rocky ledge. Shows interruption in water flow

All human impacts on the environment, such as the depletion of natural resources, are significantly worsened by __________. air and water pollution climate change human population growth agricultural practices

Answers

Answer:

overpopulation

Explanation:

this along with the others listed have triggered climate change and soil erosion

What is microbiology?

Answers

Microbiology is the study of microscopic organisms, such as bacteria, viruses,

A biologist discovered a new animal. Upon studying its embryonic development, she observed radial cleavage with the blastopore developing into an anus. This animal was categorized as a parazoan. pseudocoelomate. deuterostome. protostome. radiata.

Answers

Answer:

The correct answer is ''deuterostome''.

Explanation:

Deuterostomes are a superphylum of animals in which the anus is formed in or near the blastopore area in the developing embryo, and the mouth is secondarily formed elsewhere. The oral apparatus that these adult animals enjoy does not come from the embryo's blastopore. Instead it is a new formation. They enter the Bilateria classification, where species that enjoy bilateral symmetry are incorporated. In deuterostomes, the primary phases of division occur in parallel to the axis between the tips. That is, the segmentation they have is radial when the embryo is in state 1 with four cells.

what is gestation period?​

Answers

Gestation is the period of development during the carrying of an embryo or fetus inside viviparous animals.[1] It is typical for mammals, but also occurs for some non-mammals. Mammals during pregnancy can have one or more gestations at the same time, for example in a multiple birth.
The time interval of a gestation is called the gestation period. In human obstetrics, gestational age refers to the fertilization age plus two weeks. This is approximately the duration since the woman's last menstrual period (LMP) began.

Answer:

gestation period is the period of development during the carrying of the embryo or fetus inside viviparous animals

Apply logarithm to evaluate T given 644 204=400 000 (1+10%)^T,by first simplify the equation.​

Answers

The value of T after applying logarithm to evaluate the function is 4.9988

Given the expression

[tex]644 204=400 000 (1+10 \%)^T[/tex]

Since 10% = 0.1, the expression becomes;

[tex]644 204=400 000 (1+0.1)^T\\644 204=400 000 (1.1)^T\\\frac{644204}{400000} =1.1^T\\1.61051=1.1^T[/tex]

Take the logarithm of both sides

[tex]log1.61051=log1.1^T\\log1.61051=Tlog1.1\\Swap\\Tlog1.1=log1.61051\\T=\frac{log1.61051}{log1.1}\\T=\frac{0.2069}{0.04139} \\T=4.9988[/tex]

The value of T after applying logarithm to evaluate the function is 4.9988

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Macronutrients is the most readily available for energy production

Answers

Answer:

The correct answer is - true.

Explanation:

All the macronutrients carbohydrates, fats, and protein all three produce energy. Carbohydrates are the most preferred source of energy for the human body as it is the macronutrient that your system most requires.

The human body easily breaks down most carbohydrates and provides a significant amount of energy. The energy-providing process is called cellular respiration starts with glucose as a substrate. Glucose is the simplest carbohydrate.


What happens when the density of a medium increases?

Answers

A substance that is more dense per volume has more mass per volume. Usually, larger molecules have more mass. If a material is more dense because its molecules are larger, it will transmit sound slower.

As a group, you and three other students must make a presentation on an animal. Which option is the best example of your group coming to a consensus on the
presentation topic?


The group cannot agree on what animal to choose so your teacher chooses your presentation topic.

Each member gets a vote and the animal with the most votes will be the presentation topic.

A group member is selected as the team leader and the team leader chooses the presentation topic.

The group writes options on slips of paper, puts them in a hat, and the paper that is selected will be the presentation topic

Answers

Each member gets a vote and the animal with the most votes will be the presentation topic, is the best example of your group coming to a consensus on the presentation topic.

what are the different types of presentation ?

Presentations should be always unique as  the information we are trying to present.

An informative presentation is always educational, concise, and only specific points are mentioned.

The main aim of an informative presentation is to share information with  others.

An Instructive Presentations teaches to the audience on a specific topic, but it goes beyond sharing facts.

Persuasive Presentations is to sell something or persuade the audience to take actions. It present  an issue  and explain their solution using data.

Motivational Presentations is an inspiring presentations, aim to generate interest in an audience’s approval.

Decision-making Presentations is to shares a problem, their solution and their outcomes can help speed along the process.

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if you look away from this sentence and focus your eyes on a distant object, the eye muscles _______ to focus images on the retinas

Answers

If you look away from this sentence and focus your eyes on a distant object, the eye muscles relax to focus images on the retinas.

which primitive organic molecule was essential to form lipid bilayer?​

Answers

Answer:

autocatalytic RNA is the primitive organic molecules was essential form liquid bilayer .

6. Which of the following does not allow observation of living organisms?
a) Bright field microscopy
b. Phase contrast microscopy
c) Fluorescent microscopy
d. Dark Field microscopy ...​

Answers

Dark field microscopy because it’s dark and you can only observe things in light

During transcription, RNA polymerase synthesizes RNA from a DNA template with the help of accessory proteins.

a. True
b. False

Answers

Answer:

The correct answer is a. True

Explanation:

The information to produce a protein is coded in the cells in deoxyribonucleic acid (DNA). Transcription is the process in which a DNA sequence is copied into a ribonucleic acid (RNA) sequence. This RNA sequence is a messenger RNA (mRNA) because it will be then translated into a functional protein. For this, the DNA sequence is read and an RNA strand is synthesized by an RNA polymerase (an enzyme that synthesizes RNA molecules from a DNA template). During the process participate other proteins, such as DNA binding proteins, activators, coactivators, etc. (accessory proteins).

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