Q: Predict the final masses of the following dialysis tubes.

Q: Predict The Final Masses Of The Following Dialysis Tubes.

Answers

Answer 1

Dialysis tube is semi permeable membrane which is made of cellulose acetate. This tube is used during the dialysis process.

The initial mass and final mass of dialysis tube will differ.

                         Initial Mass         Final Mass        Difference is mass

0 M Sucrose        29.13 g                29.93 g                      0.8 g

0.2 M Sucrose     28.37 g               29.97 g                        1.6 g

0.4 M Sucrose      30.84 g               33.04 g                       2.2 g

0.6 M Sucrose      27.56 g              35.36 g                        7.8 g

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Related Questions

You are building a birdhouse when you cut your finger. Predict which body systems would be immediately involved with your
reaction to the cut.

Answers

Answer:

A.

Explanation:

These systems will be involved!

Hope this helps, have a great day.

The nervous system, circulatory system, and integumentary system are body systems involved immediately when you cut a finger.

The integumentary system is the system that groups the natural covering of an organism, for example:

SkinBarkShell

The nervous system is in charge of electrical signals. These signals are those produced by the senses such as taste, smell, sight. Also, they are responsible for sending signals of pain, satisfaction, pleasure, and others to the brain.

The circulatory system is the system in which blood is transported throughout the body for oxygenating and energizing the entire body.

When someone cuts themselves they feel pain (nervous system), blood comes out (circulatory system) and their skin opens and some of its lower layers (integumentary system) can be seen. Therefore, the correct answer is A.

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(c) Joseph puts a small amount of water into a flat dish in Diagram 1.

Diagram 1

He then leaves the dish outside in the warm sunshine. After a while the water disappears. Explain what happens to the water particles.​

Answers

the water particles evaporate. this is because heat increases the kinetic energy of molecules. causing them to become lighter and rise to the top of the liquid. further heat then breaks the bonds between the water molecules hence allowing them escape.

Nuclear fusion produces _____________ nuclei.

Answers

Answer:

it produces heavier nucleus.

Explanation:

in nuclear fusion two light nuclei fuse together to form a heavier nucleus.

What is the difference between genus and species?

Answers

The main difference between species and genus is the taxonomic rankings that are used for biological classifications of organisms. Genus belongs to a ranking lower than family and above species, whereas species are organisms with similar characteristics that come below the Genus classification ranking.

Answer:

The genus is the generic name where the species is the specific name in a binomial nomenclature.

What about cellulose makes it ideal for structural support?

Answers

Explanation:

Cellulose is ideal as a structural material which give its fibers give strength and toughness to a plant's leaves, roots, and stems.

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HELP THIS IS 100 POINTS
In a scientific experiment, the one variable that is purposely changed to
test a hypothesis is called the:

Answers

the manipulated variable (also called the independent variable)

explain the working method of tongue​

Answers

Explanation:

Chewing, grinding, pressing, salivating

When we chew, the tongue and the cheeks work together to constantly move the food between the teeth so that it can be chewed. The tongue presses the crushed food against the palate and moves this bolus, which is then ready to be swallowed, to the throat.

DO YOU THINK IT CAN BE COMPLEMENTED
WITH BIOMES? (The composting)

Answers

Answer:

yeah because some biomes r put n2 everything

Explanation:

Why must an mRNA copy be made for Protein Synthesis?
A. Ribosomes cannot read DNA, only RNA.
B. DNA is too degenerate to use without mRNA.
C. DNA must stay inside the nucleus.
D. Ribosomes are too big to enter the nucleus.

Answers

Answer A is the overall answer

1. Your friend needs quick energy! What kind of biomoleciste should he eat a lot of? 2. Why? Be specific, what do your cells do with this biomolecule that would help him run? 3. Name two kinds of foods have high amounts of this biomolecule.

Answers

1. Monosaccharide.
2. The most nutritionally important and abundant monosaccharide is glucose, which is used as the major cell fuel in the human body and can be found unbound in body tissues and fluids. Glucose is the building block of several polysaccharides. Galactose and fructose are also used as cell fuel.
3. Honey, and dried fruits such as apples.

HELP////What is the purpose of an enzyme?
A. To decrease the activation energy of a reaction to make it occur more slowly.
B. To increase the activation energy of a reaction to make it occur more slowly.
C. To decrease the activation energy of a reaction to make it occur more quickly.
D. To increase the activation energy of a reaction to make it occur more quickly.

Answers

Answer:

Una enzima es un catalizador biológico. ... El objetivo de un catalizador es aumentar la velocidad con que ocurre una reacción. Hay muchas, muchas enzimas que son codificadas por el genoma para producir proteínas o ARN que aceleran las reacciones químicas y hacen varios miles de funciones diferentes dentro de una célula.

Explanation:

L -- A

Answer:

To increase the activation energy of a reaction to make it occur more quickly.

Explanation:

Enzymes create chemical reactions in the body. They actually speed up the rate of a chemical reaction to help support life. The enzymes in your body help to perform very important tasks. These include building muscle, destroying toxins, and breaking down food particles during digestion.

Which of the following phrases best describes a solvent?

A) can be dissolved by the solute

B) has a high concentration of solutes

C) usually a sugar or protein

D) present in a greater concentration that solutes

Answers

The answer is A
Your dissolving things and solvent dissolves things pretty quickly.

A solvent is a substance present in a greater concentration than solutes (Option D).

A solvent is a substance (usually a liquid) that dissolves another substance/s in order to form a solution.

The solvent has the ability to dissolve other substances present in the solution that are referred to as solutes.

Some of the most common solvents include water, ethanol and methanol.

In conclusion, a solvent is a substance present in a greater concentration than solutes (Option D is correct).

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How does an
enzyme speed up a chemical
reaction?

Answers

Answer:

By lowering the activation energy

Explanation:

Enzymes are biological catalysts. Catalysts reduce the activation energy for reactions. The lower the activation energy for a reaction, the quicker the rate. Common enzymes convert shape when substrates unite. Enzymes lower the activation energy required to turn a reactant into a product. Consequently, an enzyme-catalyzed reaction pathway has a smaller energy activation to succeed ere the reaction can progress. Therefore, enzymes speed up reactions by lowering the activation energy.

what does social comparison theory propose?

Answers

That people have an innate drive to evaluate themselves, often in comparison to others.

I need to write my hypothesis based on this question
Do plants need sunlight to grow
My independent variable is the amount of sunlight each plant gets
Dependant variable is the growth of the plant
Everything else are controlled same

Answers

Answer:

If a plant gets more sunlight, then it will grow more because sunlight is beneficial and necessary for plant growth.

Explanation:

*This is only one way to write the hypothesis if you believe something else will happen you should reword it. The hypothesis should be based on your own educated guess.

Hypotheses should be written in the if-then-because format. This means to begin your hypothesis with the word if and explain your independent variable. Next, use the word then and explain what you believe will happen. Finally, write because and explain why you believe this phenomenon will occur. Hypotheses do not need to be 100% correct; it is common for scientists to be incorrect before an experiment. Hypotheses are just guesses based on research. If you are incorrect at the end of an experiment, simply explain that and what actually happened in your conclusion.

If the symbol “→” means “are made of”, which of the following answer choices correctly demonstrates the relationship between the given terms? (1 point)

Cells → Tissues → Organs → Organ Systems

Organ Systems → Organs → Tissues → Cells

Organ Systems → Organs → Cells → Tissues

Tissues → Organ Systems → Cells → Organs

Answers

Answer:

Organ Systems → Organs → Tissues → Cells

Explanation:

Just took the Quick Check

The option that best demonstrates the relationship between the level of organizations of life if the symbol → means "are made of" is Organ Systems → Organs → Tissues → Cells

LEVEL OF ORGANIZATION:

All living organisms are made up of cells, which is the smallest or simplest unit of life.

However, CELLS of similar functions come together to make up the TISSUES, tissues come together to make up ORGANS and organs that perform similar functions come together to make up ORGAN SYSTEMS.

Therefore, if the right arrow symbol (→) means "made up of", the best and correct representation of life is:

Organ Systems → Organs → Tissues → Cells

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please help
What's the role/function of each "organelle" in the cell?
DNA
Mitochondria
Cell Membrane
Nucleus
Chloroplasts
Cell Wall
Large Vacuole

Answers

Answer:

DNA- contains the instructions needed for an organism to develop, survive and reproduce.

Mitochondria- generate most of the chemical energy needed to power the cell's biochemical reactions.

Cell membrane (Animal Cells)- protects and organize cells.

Nucleus- Controls and regulates all cell functions.

Chloroplasts (Plant Cells)- Allows photosynthesis to occur.

Cell Wall (Plant Cells)- Protects the cell.

Large Vacuole (Plant Cells)- providing structural support in plant cells. Also stores nutrients.

Explanation:

Its a bit.. complicated to explain since when learning this all my teacher did was just tell me everything and make me memorize this.

Just a easy question .....
I want to see who can answer the faster and brainiest

Differences between duck and peacock

(Please don't spam ) Answer quickly please ​

Answers

Answer:

Duck is smaller whereas peacocks are big

Duck has black\brown features whereas peacocks have colorful feathers.

Pump jacks use upward force and pressure to slowly move oil up a drill shaft. Which statement best describes an environmental consequence of this process?

O Soil is removed by the force and pressure of the drilling process.

High salinity of wastewater reduces soil fertility and growth of vegetation.

Wastewater is contaminated with oil and becomes sludge in landfills.

O Heavy metals are released into surrounding soil, poisoning local vegetation.

Answers

The main consequence of this process is that the soil is removed by the force and pressure of the drilling.

For the extraction of oil from the land, the vegetation is removed that destroys the habitat of many organisms as well as the degradation of soil occurs due to the force and pressure of the drilling machines.

In water, the aquatic organisms including plants and animals are adversely affected due to this process of extraction so we can learn that there are many consequences of extracting oil from the soil to the surrounding environment..

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Answer:

Wastewater is contaminated with oil and becomes sludge in landfills.

Explanation:

Identify 1 food chain that is a part of this food web. Your chain should include both the organism's name and arrows to depict what is prey upon by whom.

Answers

Answer:

Is this what you are looking for

How does seed become dormant? ​

Answers

Answer:

Seeds may be dormant because the seed coat prevents germination, or because the embryo - by itself or together with chemicals - inhibits germination. Seed coats render seeds dormant if: their hardness prevents the embryo from expanding. impermeability to water stops development.

PLEASE HELP WILL GIVE BRAINLIEST Explain the process in which root cells get their energy, list all the organelles involved in the process. NO COPY AND PASTE PLEASE AND NO BAD ANSWERS.

Answers

Answer:

Plants are organisms that produce their own food through photosynthesis. Plants also absorb water from the soil by osmosis. They absorb mineral ions by active transport, against the concentration gradient.

Explanation:

Mr. Doe wanted to perform an experiment to determine if doing a class review before a test would increase test scores. Mr. Doe normally does not review. To perform this experiment, Mr. Doe reviewed material with 2nd period before a test and did not review with 3rd period. After grading papers, he found that 2nd period had an average grade of 93 and 3rd period had an average grade of 72. He determined that reviewing before a test might increase test scores. 2. Which of the following is the control group?

Answers

Answer:

3rd Period

Explanation:

2nd period reviewed material with Mr. Doe

3rd period did NOT reviewed material with Mr. Doe

Experimental group is the group being affected.

Control group is the group not being affected.

Which would be least helpful in reducing indoor pollution?

Answers

Answer:

A fan probably would be least helpful because it would spread the dust, hair etc, around rather than removing it.

Explanation:

Based on this image of a
container with a
selectively permeable
membrane, which way
will the water move if the
solute concentration is
higher on the left than
the right?
A. Water will move from right to left
to get the concentration of solutes
at equilibrium.
B. Water will move from left to right
to get the concentration of solutes
at equilibrium
C. The water will not move because
equilibrium is not necessary.

Answers

Answer:

(A):Water will move from right to left to get the concentration of solute at equillibrium.

What does a cell need to be a prokaryote cell?

please help me i’m stuck !!

Answers

Answer:

The Prokaryotic Cell

Prokaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. Therefore, they do not have a nucleus, but, instead, generally have a single chromosome: a piece of circular, double-stranded DNA located in an area of the cell called the nucleoid.

About how many times thicker is a
cell wall compared to a cell
membrane?
A. about twice as thick
B. about five times as thick
C. about half as thick
D. up to 100 times thicker

Answers

Explanation:

I think it's up to 100 times

A barrier enclosing the cell, the cell wall is located outside the plasma membrane. The plasma membrane can be up to 100 times thinner than a cell wall, hence option D is correct.

What is a cell wall?

Cellulose, a polysaccharide sugar that gives the cell wall strength, makes up the majority of its composition.

The leaf blades of L. perenne and T. repens and the stems of Z had the thinnest cell walls (0–9 m) and the thickest (2–0–3 m) among the cells classified as thick-walled.

Compared to gram-negative cells, gram-positive cells have substantially thicker cell walls. The typical thickness of the gram-positive cell wall is 20–80 nm, whereas the typical thickness of the gram-negative cell wall is 5–10 nm.

Therefore, the cell wall is up to 100 times thicker compared to a cell

membrane, hence option D is correct.

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What type of relationship do humans and honeyguides have?

Answers

Answer:

Humans and honeyguides have a mutualistic relationship, because they both benefit each other. Humans find honey much faster using the birds as guides, and the birds avoid being stung by bees.

if my answer helps you than mark me as brainliest.

Answer:

Humans and honeyguides have a mutualistic relationship because they both benefit each other. Humans find honey much faster using the birds as guides, and the birds avoid being stung by bees.

Explanation:

PLATO answer

What changed,if any,did you make to you initial sequence,and why?

Answers

Answer:

I need a picture or something

Explanation:

Which is an example of molecules
that can fit through the small
spaces of the cell membrane?
A. glucose
B. oxygen
C. amino acids
D. fats

Answers

Explanation:

Oxygen is the answer. (option B)

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