What are the two characteristics of a molecule

Assignment Help Biology
Reference no: EM132814165

1. Define "cellular transport".

2. What are the two characteristics of a molecule that will stop it from passing through the cell membrane?

3. What properties of the membrane allow small polar molecules to pass through?

4. Define diffusion.

5. How is diffusion different from osmosis.

6. Molecules can enter the cell using membrane proteins. This, in general, is at least a 3-step process. What are the three steps?

7. In what two ways do passive and active transport differ?

8. How is passive and active transport the same?

9. What types of substances can pass through the cell membrane without the need for assistance? Why?

10. Describe the role of each of the following in the cell membrane:

  • phospholipid:
  • fibrous protein:
  • pore protein:
  • channel protein:
  • cholesterol:
  • peripheral protein:

Reference no: EM132814165

Questions Cloud

How much is the correct profit before tax for the year : How much is the correct profit before tax for the year 2023? During 2023, the company sustained a loss of P400,000 because of flood, which destroyed inventory.
How much is the total manufacturing cost : Problem - Costs of goods manufactured of ABC Company are shown below: How much is the total manufacturing cost
Prepare the journal entry to record the issuance of bonds : Assume Al majed enterprise will issue bond al a premium of 20% show journal entry. prepare the journal entry to record the issuance of bonds
Contrast photosynthesis and cellular respiration : Compare and contrast photosynthesis and cellular respiration in detail, including how each uses an electron transport chain.
What are the two characteristics of a molecule : What are the two characteristics of a molecule that will stop it from passing through the cell membrane?
Which company cash flow from investing activities includes : Which company's cash flow from investing activities includes? Which A company's cash flow from financing activities includes? cash paid for employee salaries.
What is a prefix : What is an example of a prefix? Give at least three examples of different medical terms that share that same prefix. Give an example of medical
Which best measure of a company ability to generate : Which best measure of a company's ability to generate sufficient cash is cash provided by? A company's cash flow from operating activities includes
Difference between early onset and late onset : What is the difference between early onset and late onset Alzheimer disease, clinically and genetically?

Reviews

Write a Review

Biology Questions & Answers

  Immune response to infectious disease

It is a very curcial concept to understand how the immune response is mounted against viruses, bacteria, protozoans and helminthes. For an effective immune response, both innate and adaptive immunity should work together.

  A review on advanced glycated end products (ages)

This Project report elaborates a critical review of important elements attached to Advanced Glycated End Products (AGEs). It is very crucial to understand the process called Millard reaction.

  Plastic as a soil stabilizer

Soil stabilization is the permanent physical and chemical alteration of soils to enhance their physical properties. Stabilization can increase the shear strength of a soil and control the shrink-swell properties.

  Principles of microbiology

This assignment has three parts which contains questions related to Microbiology. It contains basic principles of microscopy, staining techniques in microbiology and microbial growth in the food industry.

  List the biologic functions

Lipid metabolites are often seen as key elements in cellular signaling. Is this unique? Please provide several examples of the function of lipids as key elements in signal arrays and list the biologic functions these signals affect?

  Biologic function relationships

Please describe how one might search for chemical structure, biologic function relationships, involving small molecular weight lipophylic compounds. Provide one example.

  Case study on patient in the haematology laboratory

Write a case study which detailing a scenario of a patient being investigated in the Haematology laboratory.

  Use of pcr and genetic approaches in biotechnology

The use of PCR and genetic approaches in biotechnology

  Describe the role of this enzyme in honey

Glucose oxidase is an enzyme that can be used for measurements of glucose levels by combining this reaction with an oxygen probe.

  Genetic problems

What phenotypic ratio would you get if you crossed a white mouse and a heterozygous brown mouse?

  Prepare an essay on nosocomial infection

Prepare an essay on nosocomial infection.

  Monitoring and recording the blood pressure

To increase the awareness of monitoring and recording the blood pressure of patients and practice measuring blood pressure in a safe environment.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd