You now find new cells which contains 200 mM CaCl2 and 15 mM glucose. The cell membrane is permeable to Ca ions, impermeable to Cl- ions, impermeable to Na ions and impermeable to glucose. You transfer these cells into a solution which has 140 mM (NaCl) and 150 mM glucose. What happens to the cells after the solution and cell have come to equilibrium

Answers

Answer 1

Answer:

The correct answer would be - ions will move from solution 1 to solution 2 so the cell will shrink.

Explanation:

The concentration of CaCl2- = 200mM

CaCl2 dissociates in the three different ions in a solution and each has the same osmolarity

The concentration of glucose = 15 mM

So, the osmolarity of solution 1 would be:

3 × 200 + 15= 615 mM

Similarly, the osmolarity of the second solution would be

The concentration of NaCl = 140 mM

The concentration of glucose = 150 mM

NaCl dissociates in the two different ions in a solution and each has the same osmolarity

140×2+ 150= 430 mM

The solution has more concentration of ions than solution two so the movement of the calcium ion of the CaCl2- would be possible only and therefore, the cell in solution 1 will shrink.


Related Questions

From which vessels does heart get its blood supply?

Answers

Answer:

coronary arteries

Explanation:

Two major coronary arteries branch off from the aorta near the point where the aorta and the left ventricle meet.  And they create a muscle with blood which is coronary arteries

what are the four legged animal/fish raised in the farm?

I will give 10 pts.​

Answers

A horse , pig , donkey , or any animal basically :)

BRAINLIEST
Which of the following processes add carbon dioxide to the atmosphere? *

Photosynthesis
Cellular respiration
Decomposition by decomposers
All of the above
a & b
b & c

Answers

Answer:

All the above

Explanation:

I'm not 100% sure this is accurate. Good Luck!

How do parachutes work?

5-10 sentences

Use all these terms in your paragraph: Gravity, Acceleration, terminal velocity, force, air resistance.



Help plssss

Answers

Answer:

A parachute works by forcing air into the front of it and creating a structured 'wing' under which the canopy pilot can fly. Parachutes are controlled by pulling down on steering lines which change the shape of the wing, cause it to turn, or to increase or decrease its rate of descent.

All parachutes are designed for one fundamental purpose to slow the gravity driven fall of an object after a person, sometimes in inanimate cargo through the air

in which amino acid imidazole group found​

Answers

Answer:

Histidine contains imidazole group which can be uncharged or positively charged, depending on its local environment. Lysine & arginine contains positively charged R group while glutamate has negatively charged R group.

Food-borne illnesses can have substantial health and economic consequences. Correctly identify the steps that can lead to food-borne illness by Salmonella/Campylobacter and E. coli 0157:H7
1. Bloody diarrhea and hemolytic uremic syndrome can result
2. Live E. coli 0157:H7 bacteria are ingested
3. A Shiga-like toxin is produced
4. Incomplete cooking of raw hamburger fails to kill all pathogens
5. Live Salmonella or Campylobacter bacteria are ingested
6. Diarrhea, abdominal pain and nausea can result.
7. Incomplete cooking of poultry and fruits/vegetables fails to kill all pathogens
8. The pathogen multiplies in the intestinal tract for 2-48 days

Answers

Answer:

4,6,5,1,3

Explanation:

Galileo and newton both study the night sky. Galileo study Jupiter and its moons. Newton study the gravitational force that held the planets in orbit. Which of these statements best explains why the two scientist propose different theories about the solar system?

a. both scientist had different interests.
b. both scientist lacked scientific evidence.
c. they wanted to be the first to discover new planets.
d. they wanted to contradict each other‘s theories.

Answers

Answer:

a. both scientists had different interests.

Explanation:

Newton focused in physics for the most part and the study of what we know now as Newton's laws

while Gallileo focused on planets and astrology

A. They’re both discovering different things

why is energy flow through an ecosystem dependent upon continual energy transformations?​

Answers

Answer:

Organisms must gather energy to survive.

Explanation:

Answer:

food

Explanation:

Where does the spinalthalamic tract cross the spinal cord.

Answers

Answer:

The axons of the tract cells cross over (decussate) to the other side of the spinal cord via the anterior white commissure and to the anterolateral corner of the spinal cord (hence the spinothalamic tract being part of the anterolateral system)

Explanation:

I majored in Biology

How are land plants adapted to survive on land? What are the benefits of living on land rather than in water?

Answers

Land plants are adapted to survive on land through stomata to regulate water regulation, specialized cells, structures that collect sunlight, and water! Hope this helped!! Can u mark me brainliest plz?!!!!

Answer:

Sample Response: Plants that are able to survive on land developed specialized vascular tissue such as xylem and phloem. This vascular tissue aids in the transport of water and other resources needed by the plant. Land plants also developed a cuticle, or waxy layer, to prevent water loss and seeds to protect young plants. The benefits of living on land are greater access to sunlight and less competition with other plants for resources.

Explanation:

elk with large antlers are able to fight off other males and will dominate The herb are​

Answers

Answer: disruptive

Explanation:

Which characteristic of viruses prevents them from being used as evidence to support cell theory?
O Viruses do not have nuclei.
O Viruses cannot move by themselves.
O Viruses replicate only inside host cells.
O Viruses can have glycoproteins on their surfaces.
Activate
Go to Set
Type here to search

Answers

Answer:

Viruses replicate only inside host cells.

Explanation:

Viruses are not used as evidence to support the cell theory because they are not considered a cell and cannot carry out vital life processes without getting into host cells.

According to the cell theory, the cell is the basic unit of life, all living organisms are made up of cells and cells arose from preexisting cells. A virus that is not in a host cell is just a piece of DNA/RNA surrounded by a protein coat and is not capable of carrying out any life process for it to be considered living.

Viruses are only able to reproduce and multiply when they get access to a living host. They use the genetic mechanisms of the host to replicate their DNA/RNA using the lytic or lysogenic cycle. Hence, they are not used to support the cell theory.

Which of the following is NOT a way that humans can reduce flooding?


Building a flood control dam

Removing trees and grass
growing near rivers

Building levees and walls

Making a river deeper or straighter

Answers

Making a river deeper or straighter?
Removing trees and grass growing near rivers

How could the pressure of a gas increase if temperature is constant?

Answers

Answer:

Gay Lussac's Law - states that the pressure of a given amount of gas held at constant volume is directly proportional to the Kelvin temperature. If you heat a gas you give the molecules more energy so they move faster. This means more impacts on the walls of the container and an increase in the pressure.

Explanation:

what feature (s) would you fin in the northwestern part of the united states
A. an island arc
B. earthquakes
C. volcanoes
D. earthquakes and volcanoes
(please help lol)​

Answers

Answer:

B

Explanation:

HURRY PLZ A banana plant produces rhizomes, which are involved in

Answers

Answer:

Sexual reproduction Asexual reproduction Pollination

Answer: Asexual reproduction

Explanation: Just took the test and got it wrong for u <3   have a good day everyone!

Which of the following is the mRNA codon of the DNA code, ATC CGA GTC? Why?

A. TAG GCT CAG
B. UAG GCU CAG
C. TAG GCU CAG

Answers

Answer:

The answer is B.

Explanation:

In DNA sequence, A will pair with T and C will pair with G. During mRNA, T will convert into U.

Answer i rlly don't know big dawg my bad cuddie choose b tho

Explanation:

jhbgvcbhnjklkjhgf

Water and wind can
soil, or carry
or carry it away.

Answers

Answer:

what are you trying to ask about?

Answer:

move soil

Explanation:

because the wind can carry the soil/move the soil

Darwin studied actual birds on the Galapagos Islands instead of using a simulation, as you did in this lab. Studying natural selection in the field can be challenging. List at least three possible challenges Darwin might have faced.

Answers

Answer:

1. Darwin did not know how genetic material passed from one generation to the next because Mendel's laws of heredity had not yet been formulated

2. Finches have many phenotypic adaptations that can not be observed easily  

3. Phenotypic traits are expected to evolve slowly, thereby taking many generations  

Explanation:

In the Galapagos Islands, Darwin observed that there were many varieties of finches that showed variation in the size and shape of their beaks. Darwin determined that finches' beaks evolved in response to environmental changes (finches' beaks were different in different islands). Darwin had several challenges to make this discovery. First, Mendel's laws of heredity had not yet been formulated, thereby difficulting the analysis of quantitative traits (in this case, finches' beak) which are the result of the combined action of many genes and the environment. Second, finches (as well as all species) possess many phenotypic adaptations, thereby difficulting the study of single traits in an evolutionary context. Finally, phenotypic changes are gradual and therefore descendence with modification cannot be easily recognized by observation in the field.

Answer:

Traits other than beak type might affect natural selection.

It could take many generations to observe adaptions to a population.

The environment may be complex and hard to study.

Changes in the environment may occur faster or slower than changes to the birds

The birds may be interdependent with other organisms that may change, too.

Explanation:

just took the quiz

this the sample

Which of the following is an example of natural selection?
A
Over time, the Earth's crust started to solidify about one-billion years after the
planet was formed.
B
Over time, a species of cricket became green because green crickets were better
able to hide among the leaves.
с
In the winter, as food becomes more scarce, some species of birds fly to new
habitats in the south.
D
In June, the Northern Hemisphere gets more direct sunlight due to the tilt of
Earth's axis as it revolves around the sun.

Answers

The answer is A for natural selection

Answer:

its b

Explanation:

i just did it :)

Which object did New Horizons observe more closely than any other spacecraft in 2015?
-Mercury
-Venus
-Neptune
-Pluto

Answers

Answer is D pluto

Two days later, with about four months remaining before its close encounter, New Horizons finally became closer to Pluto than Earth is to the Sun. Pictures of Pluto began to reveal distinct features by April 29, 2015, with detail increasing week by week into the approach.

how do organelles interact in the production and use of hemoglobin found in theses cells

Answers

Answer:

B

Explanation:

Answer:B

Explanation:

HELP PLEASE
need to find the average for the values

Answers

Answer:

Average for zero: 51.1

Average for two: 76.3

Average for four: 87.4

Average for six: 103.3

Blank 1: 51.1

Blank 2: 76.3

Blank 3: 87.4

Blank 4: 103.3

Explanation:

The above answers gave the average of each of the set of numbers.

To calculate the average of a set of numbers, It is done by simply summing the numbers and then dividing the numbers by the total number of values in that set of numbers.

From the data given, zero, two, four and six all have their set of numbers. So, with those values, the average was calculated.

When selecting food, the most nutritious option is to select whole foods.
O True
O False

Answers

Answer:

true

Explanation:

Eating more whole foods will help you cut down on calories from the added fats and sugars we get from processed and fast foods. Whole grains. You might think the benefits of whole grains have mostly to do with fiber, but there's so much more than that

True it carry’s everything u need for healyh

Under which condition is the speed of cellular chemical reactions within a cell most likely to decrease?

Answers

Answer:

The products of the reaction decreases

Explanation:

When the product are formed in a chemical reaction it leads to decrease in chemical reaction rate in a cell.

What Factors Affect the Speed of Chemical Reactions?

Some chemical reactions are fast and some are slow due to presence of different  factors.

The collision between the reactants specially at the reactive site of the molecule will be needed to complete the chemical reaction.

So larger the size of reactant slower be the reaction or even no reaction occur due to less collision.  

The more surface area of the particle lead to more collision and faster the reaction.

More Concentration of chemical reactants lead to faster the reaction rate. Higher the pressure of the reactant lead to faster the reaction rate.

Increasing in temperature can also lead the molecules move faster, average kinetic energy of the molecule can also increases.  

Learn more about rate of reaction , here:

https://brainly.com/question/8592296

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What happens first during cellular respiration?

A. The movement of small organic molecules into a mitochondrion

B. The breakdown of food molecules into smaller organic molecules

C. The formation of many molecules of ATP

D. The breakdown of small organic molecules into carbon dioxide​

Answers

Answer:

B

Explanation:

Answer:

b

Explanation:

i took the quiz

surface area of the cell

Answers

Answer: Depending on the volume ratio of the cell you can identify the surface area.

Explanation:

State a technology and
explain how it is used to
forecast a future event.

Answers

Explanation:

I don't really know your question but I will tell you what can be predicted.

But how can a technological forecast be made to contain probability dimensions in the same way other forecasts do? Most people think of a technology as a quite specific physical entity. They do not conceive of this entity as having the variable characteristics which would permit range forecasts or probability statements. To their minds, a precisely defined technology either will exist in a given situation, or it will not. And the forecaster must predict this exact event or else he is wrong. This misconception—which would place an impossible demand on any forecaster causes much of the confusion in discussions about technological forecasting.

Posted by;

Ehie, BenjiDev#3339.

Weather forecast would be a technology to determine weather in the future. We would be able to know the humidity and wether or not it’s raining or snowing. So we can dress accordingly and be ready for anything that comes our way. Also the forecast be used to determine bad storms such as a tornado or hurricane. We’ll be notified so we can get to safety or evacuate.

Interphase is the part of the cell cycle during which these phases occur:
A. Growth 1, Synthesis, Growth 2
B. Growth 1, Synthesis, Growth 2, Mitosis
C. Growth 1 and Growth 2
D. Mitosis and Cytokinesis

Answers

Answer:

The correct answer is - A. Growth 1, Synthesis, Growth 2.

Explanation:

The cell cycle has three important phases Interphase, M -phase and cytokinesis. Interphase is the laongest phase of eukaryotic cell cycle. This phase shows no observational change in the cell, however, it collects nutrients, generates protein and replicates DNA and prepare the cell for the M- phase.

Interphase has 3 phases G1, S, and G2 phase. G1 phase is the phase that collects nutrients and increase the size of the cell for the cell division. S phase or synthesis phase is the phase takes maximum time in cell divivon and acompanied by protein generation, duplication of the genetic material. G2 phase is preparatory phase that prepeare the cell before the cell enter in the M - phase.

Good science depends on interactions...

A. within the government

B. within the a group of scientists who all agree

C. within the scientific community

D. within those in authority in the science world

Answers

Answer:

c i took the k12 test

Explanation:

Good science depends on interactions within the scientific community. Thus, the correct option for this question is C.

What is Science?

Science may be defined as the branch of scientific study that significantly deals with the stalking and application of knowledge and understanding that is based on the natural and social world following a systematic methodology based on evidence and inference.

Science is further classified into three categories such as physics, chemistry, and biology. Each of them illustrates detailed information on the basis of their attributes, principles, concepts, etc.

Science always involves the scientific analysis of facts and understanding based on the natural world. It always deals with the concept of interaction between the scientific community related to biotic and abiotic factors distinctly.

Therefore, good science depends on interactions within the scientific community. Thus, the correct option for this question is C.

To learn more about Good science, refer to the link:

https://brainly.com/question/471576

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