Biology Answers

Can Mendelian Genetics be applied to explain all the inheritance of genetic disease reported in humans? Any exceptions.

Biochemistry

Q166280

How will you prepare 250 ml of TE Buffer using 0.5 M EDTA and 1M Tris-Cl stock?

You find an organism that can only be seen under a microscope. When you examine it, you cannot find a nucleus. Would this be prokaryotic or eukaryotic?

How will you prepare 250 ml of TE Buffer using 0.5 M EDTA and 1M Tris-Cl stock?

Using correct scientific terminology, you must produce a report evaluating the effects caused by the disruption of biological processes for two of the following examples:

o Porphyria

o Lactose intolerance

o Diabetes mellitus

o Cystic fibrosis

o Exposure to carcinogens

o Interference in plant growth regulators

Your evaluation must identify where the disruption of these biological molecules is intentional for human benefit. 

You are a forensic scientist working on a murder case. You have taken blood samples from the crime scene and put it through electrophoresis and southern blotting. What step do you need to take next?

Mitosis is part of the cell cycle and includes all of the following steps except which one?

Chemical elements of tobacco smoke can change the nucleotide sequence in a DNA molecule by replacing adenine with thymine or guanine with cytosine. Which kind of mutation is this one? Draw and explain the mechanisms and consequences of such a change

) When so much damage occurs in DNA that during excision reparation the cell does not have time to completely eliminate them. As a result, after replication of this DNA the daughter chain has “gaps” that are formed at the site of damage of the mother DNA chain,.

1. What type of reparation corrects such damage?

2. What are the molecular mechanisms the cause of this disorder?

3. Feature of postreplication reparation.

4. What other types of postreplication reparation do you know, describe.

) When so much damage occurs in DNA that during excision reparation the cell does not have time to completely eliminate them. As a result, after replication of this DNA the daughter chain has “gaps” that are formed at the site of damage of the mother DNA chain,.

1. What type of reparation corrects such damage?

2. What are the molecular mechanisms the cause of this disorder?

3. Feature of postreplication reparation.

4. What other types of postreplication reparation do you know, describe.