Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Biology Expert

a) How are second messengers generated from phosphatidylinositol (Pl)?

b) What are the main function(s) of the second messengers derived from Pl?

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.

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.

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.:- M924235

Have any Question? 


Related Questions in Biology

Which part of the human brain is the centre of memory

Which part of the human brain is the centre of memory, learning, thinking and reasoning?

Steroid hormones such as testosterone are derived from

Steroid hormones, such as testosterone, are derived from cholesterol. What type of macromolecule are they?

Biodiesel fuel is produced from oils synthesized by and

Biodiesel fuel is produced from oils synthesized by and harvested from living plants. How does the use of biodiesel fuel compare to the use of fossil fuels with respect to the amount of carbon dioxide released into the a ...

How do we call insect which are responsible for

How do we call insect which are responsible for transmitting diseases?

1 how can it be that a double mutant embryo that lacks

1. How can it be that a double mutant embryo that lacks maternally encoded Hunchback and Nanos protein is completely viable and fertile? 2. The terminal regions of the Drosophila embryo involve another maternally pathway ...

1 describe the three classes of carcinogens and their sub

1. Describe the three classes of carcinogens and their sub classes; describe the role each plays in the cancer process and give chemical examples. 2. Describe six points in the cancer process where the process can be inh ...

Name a process that occurs when dna is released by a broken

Name a process that occurs when DNA is released by a broken or lysed bacterium is taken up by another bacterium through its cell membrane giving this bacterium new traits

Assignment150 word minimum for question 1 only any

Assignment 150 word minimum for question #1 ONLY. Any materials used in answering the questions must be put in your own words and the reference(s) must be properly cited. 1. According to some scientists, in developing co ...

Lets discuss the role of the intestinal microbiota in the

Let's discuss the role of the intestinal microbiota in the maintenance of health and the many opportunistic pathogens that cause disease when the delicate balance of normal microbiota in this region of the body is distur ...

Given what you know about how natural selection works

Given what you know about how Natural Selection works, explain why Sickle cell disease hasn't been eradicated from the population.

  • 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