Chemistry Middle School

The picture shows a contractile vacuole of a unicellular freshwater organism. The contractile vacuole regulates the flow of water into and out of the cell in an aquatic environement. What condtions cause the contracile vacuole to fill with water? Your answer: A.The concentration of water is greater outside the cell than inside the cell. B.The concentration of water inside the cell is the same as the concentration outside the cell. C.The temperature of water in the vacuole is higher than the temperature of its environment.

The Picture Shows A Contractile Vacuole Of A Unicellular Freshwater Organism. The Contractile Vacuole

Answers

Answer 1

Answer:

A.The concentration of water is greater outside the cell than inside the cell.

Explanation:

The contractile vacuole of certain organisms functions to regulate water flow in and out of the cell. It does this by storing excess water that comes into the cell. In the case of this organism with a filled up contractile vacuole, it means water is flowing into the cell.

Naturally, water will flow into a living cell when an osmotic gradient i.e. difference in concemtration, has been created between intracellular and extracellular solutions. Osmosis involves movement of substances from a region of high water concentration to a region of low water concentration. This means that if water is flowing into the cell, which is stored by the contractile vacuole, the concentration of water must be greater outside the cell than inside.

Related Questions

How does water's dissolving power support life on Earth?

Answers

The dissolving power of water is very important for life on Earth. Wherever water goes, it carries dissolved chemicals, minerals, and nutrients that are used to support living things. Because of their polarity, water molecules are strongly attracted to one another, which gives water a high surface tension

2
The ware function
of
the particle is normalized. why?​

Answers

Answer:

The probability of finding the particle somewhere in the universe must be equal to 1.

Normalization of ψ(x,t): : is the probability density for finding the particle at point x, at time t. Because the particle must be found somewhere between x=-∞ and x=+∞ the wave. function must obey the normalization condition. Without this, the statistical interpretation would be meaningless.

Can anyone help need answer asap

Answers

Answer:

Rises, sinks

the correct answer is B

Answer:

rises, sinks

Explanation:

Hot magma rises because as the temperature increases, it expands and becomes less dense. As it reaches the top, it cools down and becomes more dense, which means it will sink. Therefore, hot magma rises and cool magma sinks in convection mantle mechanism.

Other Questions
A 60-kg skier is stationary at the top of a hill. She then pushes off and heads down the hill with an initial speed of 4.0 m/s. Air resistance and the friction between the skis and the snow are both negligible. How fast will she be moving after she is at the bottom of the hill, which is 10 m in elevation lower than the hilltop can you please help me! In a triangle, a segment is drawn joining the midpoint of two sides. What is true about this segment? a. Its length is equal to the 3 rd side. b. Its length is twice the 3 rd side. c. It is parallel to the 3 rd side. d. It is to the 3 rd side. A geographic information system is information that is Click to read "I Am Offering this Poem," by Jimmy Santiago Baca. Thenanswer the question.Which line(s) from this poem contain(s) a metaphor?A. It's all I have to give, / and all anyone needs to live,B. Keep it like a warm coatC. I love you,D. so it is a pot full of yellow corn / to warm your belly in winter Use the drop-down menus to complete the statements about industrialization.Prior to industrialization, most Americans made a living by .The father of the American Industrial Revolution was .The most important factor in the rapid industrialization of the United States was its . Temperature on Reaction Rate Use the drop-down menus to answer the questions. Which form of the sodium bicarbonate tablet has the most surface area? As the surface area increases, what happens to the average time required for the reaction? Cruise Budget Constraint 6 5 0,5 2,4 4, 3 6, 2 2 8,1 1 10,0 10 12 8 4 6 #pairs of shoes # dresses Based on the graph of Marens budget constraint for dresses and shoes, what accurately describes the slope of her budget constraint? It is negative because dresses are more expensive than shoes It is positive because Maren still has plenty of money and is able to afford both dresses and shoes. If the government set a price ceiling of $40, there would be: What is the gravitational potential energy of a ball of mass 2.00 kg which is tossed to a height of 13.0 m above the ground? Answer in J, taking the potential energy to be 0.00 J at the ground. ALL YOU NEED TO DO IS DRAW THIS!!!!! Circle 1 with center K of radius 4 and circle 2 of radius 6 intersect at points W and U. If the incenter of 4KW U lies on circle 2, find the length of W U. (Note: The incenter of a triangle is the intersection of the angle bisectors of the angles of the triangle) Served cold and frothy by the mesoamerican elite, which new world beverage began craze in Europe that coincided with growing European desire of sugar (Please hurry) Explain how to find the value of x 3. Write down the comparative and superlative forms of the adjectives.bad_________|________regular_______|_______exciting _______|_______happy _______|_______wonderful _______|_____clever _______|_______friendly _______|_______ Which statement best describes how Autor might respond to the notion that robots will soon replace a majority of human workers?AHe would disagree, pointing out that automated systems still lack the ability to do many of the things that human employees are capable of doing.BHe would agree that human workers are increasingly being replaced, but he would also say that only unskilled workers are at risk.CHe would disagree based on his belief that technological innovation has reached its peak, and very few things are likely to be invented in the near future.DHe would agree wholeheartedly, citing evidence that certain jobs traditionally done by highly skilled humans are increasingly being taken over by robots. 20 cm8 cm8 cm20 cm15 cmFind the area of the arrow above.(?] square centimetersEnter Categories the following into Market economy and Non-market economy. 1. Prices are set by government agencies. 2. The invisible hand guides resources to their highest valued uses 3. Buyers and sellers are motivated by government directives. 4. Prices are set by supply and demand 5. Buyers and sellers are motivated by a sense of communal well- being. 6. Buyers and sellers are motivated by self-interest. Commas should always be placed around_____________Elipses Nonrestrictive modifiers Quotations Restrictive modifiers segment if a is a perpendicular bisector of segment BD if the measure of angle frd is represented by the expression 7x + 6 find the value of x Initially, you produce 100 boxes of jelly beans per time period. Then a new customer calls and places an additional order for jelly beans, requiring you to increase your output to 101 boxes. She offers you $1.75 for the additional box. Should you produce it? Part AChoose the inequality and solution to represent the number of cans, c, that Xander must still collect.A. c + 64 120; c 56B. c + 120 64; c 56C. c + 64 120; c 56D. c + 120 64; c 56Part BChoose the graph of the solution on the number line. 0.2 -0.5 ( -0.9- -0.7)