Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Biology Expert

1. a) How are second messengers generated from phosphatidylinositol (Pl)?
b) What are the main function(s) of the second messengers derived from Pl?

2. a) In the context of tumourigenesis, what is a gain-of-funtion mutation?
b) List two effects that gain-of-function mutations may have on encoded protein.
c) Briefly describe two different mechanisms that may lead to gain of function mutations in tumour cells, and give one ex of each.

3. a) describe what is meant by the term 'extracellular matrix' and five two ex of proteins that may be found in the extracellular matrix.
b) Name and describe the processes by which tumour cells:
i. move from their site of origin
ii. spread within the body
c) Give two exs of how changes in protein expression by the tumour cells can affect their ability to spread within the body.

4. a) What are free radicals? Give one ex of a free radical and briefly outline the process by which it is produced.
b) What particular characteristics of mitochondrial DNA make it more susceptible to damage than nuclear DNA? Give three reasons.
c) Give two exs of molecules that protect cells against reactive oxygen species and describe how tey do so.

Biology, Academics

  • Category:- Biology
  • Reference No.:- M924314

Have any Question? 


Related Questions in Biology

Explain why nbspin psoriasis is an nbspthe cells in the

Explain why  in Psoriasis is an  the cells in the dermis and epidermis thickened. Decreased cell maturation occurs in psoriasis  as a result of? Reference/s  must be provided to make  sure the  information  you are tutor ...

A company is growing algae in big tanks to make fish food

A company is growing algae in big tanks to make fish food. However, the algae is not growing very quickly and thy suspect either phosphorus, nitrogen, or iron is limiting. What could the company of to figure out which nu ...

Describe two relic structures in mans anatomy that reflect

Describe two relic structures in man's anatomy that reflect our common evolution history with animals.

Differentiate between ectoderm mesoderm and endoderm and

Differentiate between ectoderm, mesoderm and endoderm and list what tissues arise from each.

Describe the performance of a urinalysis including

Describe the performance of a urinalysis, including equipment.

We all see animals in our day to day lives choose a

We all see animals in our day to day lives. Choose a behavior you saw exhibited by an animal. Explain your thoughts on the potential proximate and ultimate causes of the behavior.

Looking for assistance with the below information regarding

Looking for assistance with the below information regarding alternatives to landfills. References are needed. Alternatives to Landfills The use of sanitary landfills for burial of municipal solid wastes has been the prim ...

Microbiology1 for what specific purpose was gram staining

Microbiology 1. For what specific purpose was gram staining developed for? what is it used for today? 2. Why is the presence of air bubbles a sign of contamination? 3. Why is a gram stain helpful when monitoring bacteria ...

Health records managementdirections be sure to save an

Health Records Management Directions : Be sure to save an electronic copy of your answer before submitting it to Ashworth College for grading. Unless otherwise stated, answer in complete sentences, and be sure to use cor ...

Elaborate on the basic concepts involved in the regulation

Elaborate on the basic concepts involved in the regulation of fluids and electrolytes. Also, identify the hormones that play important roles in regulating fluid balance and electrolyte balance and describe their effects.

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen