Question 1 1 pts A molecular gradient can best be described as.

Question 1

1 pts

A molecular gradient can best be described as….

a rainbow


a homogeneous solution

neighboring solutions that have unequal concentrations of molecules

Question 2

1 pts

Equilibrium with respect to gases and liquids can best be described as…

the search for social equality

the end of diffusion

molecular equality

metaphysical balance

Question 3

1 pts

In this lab, we will use dialysis tubing to….

simulate biological membranes

separate blood from urine

turn starch blue

turn starch brown

Question 4

1 pts

Biological membranes have different types of pores and channels, and different permeabilities to small molecules depending on size and charge. In this lab, you can assume that the membranes we are using are permeable to….


water and potassium iodide

complex sugars

small animals

Question 5

1 pts

Simple sugars, or reducing sugars, can be detected with….




Benedict’s solution

Flag this Question

Question 6

1 pts

If there is more solute (salt, sugar, ions) outside of a cell, and the cell membrane is not permeable to any of the solutes, what is likely to happen?

water will enter the cell

water will leave the cell

solutes will enter the cell

solutes will leave the cell

Question 7

1 pts

Kinetic energy is an inherent property of the atom, and therefore more complex structures such as molecules. You can actually see kinetic energy of non-living things in action under the microscope. When we visualize this, we call what we see…


Brownian motion


all of the above

Question 8

1 pts

One word to describe the effect of diffusion across a membrane, which alters the water pressure on one side of the membrane with respect to the other is….

Question 9

1 pts

When two gases diffuse towards each other down a long tube, and somewhere in the tube a white ring forms, you can conclude that…

a chemical reaction has taken place between the gases

someone forgot to clean the tube

the gases are inert

the gases were actually unable to diffuse

Question 10

1 pts

If two gases of unequal molecular mass diffuse towards one another in a closed glass tube, they are more likely to react in which part of the glass tube?

the gases would meet in the middle and react

the gases would meet closer to the start of the light gas and react

the gases would meet closer to the heavy gas and react

the gases would never react

Calculate Your Essay Price
(550 words)

Approximate price: $22

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
The price is based on these factors:
Academic level
Number of pages
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more

Order your essay today and save 10% with the coupon code: best10

Academic Pros