Ask Question, Ask an Expert


Ask Biology Expert

problem 1.
a. How have Eukaryotic cells solved the problem of moving proteins and organelles from one part of the cell to another, faster than would occur by diffusion? And give a specific ex to illustrate how a protein may be moved from part of the cell to another.
b. Describe one mechanism that ensures that proteins are moved to the appropriate place within a cell.

problem 2.
a. Using exs to illustrate your answer name and briefly describe four different types of non-covalent interactions that can occur between and within molecules.
b. How is a Scathard plot generated, and what measure of the inter-molecular interaction is used to determine this?

problem 3.
a.What are three features of a protein domain?
b.Briefly outline there attributes conferred on a protein by having multi-domain architecture. Illustrate your answer using at least two exs of multi-domain proteins.

problem 4.
a.Briefly describe how packaging of DNA into chromatin contributes to DNA protection, compaction and metabolism.
b.Briefly describe one factor of cellular component that contributes to the packaging of the eubacterial chromosome.
c.How is the type of DNA packaging found in Archae similar to that observed in Eukaryotes?

problem 5.
a.In terms of replication origins, how do the chromosomes of E. coli and S. Cerevisiae differ?
b.What is the main advantage to a cell of having a defined starting point for DNA synthesis?

problem 6.
a.Two post-translational modification of proteins and indicate where the modification takes place within the cell and what effect it has on the protein.
b.What is a proteasome, and what function does it have and where is it located within the cell?
c.How are proteins targeted to proteasomes?
d.How do functions of proteasomes and MHC molecules combine to contribute to immune defense?

Biology, Academics

  • Category:- Biology
  • Reference No.:- M924303

Have any Question? 

Related Questions in Biology

Immune and musculoskeletal diseasesresearch an autoimmune

Immune and Musculoskeletal Diseases Research an autoimmune disease that affects the musculoskeletal system.  Write a 2-page paper. Address the following in the paper: The pertinent information on both the immune and musc ...

How to apply kantian and utilitarian theories to the

How to apply Kantian and Utilitarian theories to the situation that existed at Memorial Medical Center in the days immediately after Hurricane Katrina, was Dr. Anna Pou's treatment of the LifeCare patients on the seventh ...

If instead of making an energy drink you come up with an

If instead of making an energy drink, you come up with an energy injection, how would that affect the ingredients you put into the shot? Think in terms of polarity and tonicity.

Select at least 2 cell structures what hypothesis could you

Select at least 2 cell structures. What hypothesis could you form to explain what would happen to the cell or the organism if each cell structure were damaged or destroyed?

What percentage of the dna changes that occur and one cell

What percentage of the DNA changes that occur and one cell in one year escape the proofreading and repair process calculate this in both cases: if one mutation accumulates in one sale per year and if five mutations accum ...

In this assignment you will select a fermented food or

In this assignment, you will select a fermented food or beverage from the list provided. After making your selection, you will prepare a 3 page written report about it. The report should include historical information re ...

1 describe the difference between a tumor suppressor gene a

1. Describe the difference between a tumor suppressor gene, a proto-oncogene, and an oncogene. Provide an example of each. 2. Cervical cancer is mainly caused by human papilloma viruses (HPVs). Explain how viruses contri ...

Frtilized grasslands diversity 6930 and richness

Fertilized grasslands: diversity = .6930 and richness = 4 Unfertilized grassland: diversity = .7075 and richness = 10 Answer the question by the following: 1. Which grassland has the higher species richness, and is it a ...

All cells on earth use mrna to make protein rather than

All cells on Earth use mRNA to make protein rather than using DNA directly. Why is it more advantageous to make protein from mRNA rather than directly from DNA in prokaryotic cells?

1which group of algae appears to be the most closely

1. Which group of algae appears to be the most closely related to the ancestors of true plants? Name one feature that appears to be homologous. 2. What are microphylls and which group of seedless vascular plants are they ...

  • 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