How does osmosis explain the fact that a watery syrup forms when you put sugar on strawberries?

Answers

Answer 1

Answer:

Osmosis is said to be the tendency of a fluid, usually water, to pass through a semi permeable membrane (as of a living cell) into a solution where the solvent concentration is higher thus equalizing the concentrations of materials on either side of the membrane.

When sugar is placed on a straw berry, the thin film of moisture on the berry skin begins to dissolve the sugar. Once this happens, the dissolved sugar forms a higher solute concentration on the skin of the berry than that found in the (plant) cells of the berry. A concentration gradient is formed and water molecules from the berry cells move down that gradient to the outside of the berry skin and dissolve the sugar to form a gooey solution.

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bacterial and eukaryotic cells control gene expression primarily by regulating transcriptional initiation. what would be different, if cells exerted control of gene expression only at the post-translational level?

A student poses the question: How does the presence of dissolved salt affect the freezing point of water? To answer this question, the student set up two conditions. In the first condition, the student added salt to water in a container and referred to this condition as the variable. In the second condition, the student did not add any salt to water in a second container and referred to this condition as the control. The student took both containers and attempted to freeze the water at various temperatures to assess the freezing point. Would this be a valid experiment? A. Yes, because there is more than one variable.
B. Yes, because there is one variable and a control
C. No, because there is not more than one variable
D. No because there is only one variable and a control

Answers

Answer:

The correct answer is option B. yes because there are one variable and a control.

Explanation:

The validity of experiments can be tested by the four components of experiments. These four components are control, dependent variable, independent variable, and constants. All of this basic component is the validity of the experiments.

In this experiment there is the control where experiment is performed within controlled and there is also one variable.

Thus, the correct answer is option B. yes, because there are one variable and a control.

Answer:

The correct answer will be option-B.

Explanation:

A scientific experiment must contain three variables: independent variable (which can be manipulated), dependent variable(which can be tested) and control (which is kept constant).

Experimental samples must be divided into two groups: an experimental group in which variable to be studied is tested and a control group in which the independent variable does not influence the experiment.

In the given question, since experimental design contains variables and the experimental as well as the control group which act as a reference group to the experiment.

Therefore, Option-B is the correct answer.

What is a reducing sugar?

Answers

Reducing sugar is any sugar (all monosaccharides, some disaccharides, oligosaccharides, and polysaccharides) that is capable of acting as a reducing agent because it contains free aldehyde group or free ketone group.

Aldehyde group or alkanal is an organic compound containing formyl group. The formyl group is a functional group consisting of a carbonyl center bonded to hydrogen and an R group. This group can be readily reduced to primary alcohol with the help of catalyctic hydrogenation either applied directly or by transfer hydrogenation.

Ketone group unlike aldehyde group does not have a hydrogen atome bonded to the carbonyl group but it can still be hydrogenated.

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