Search found 116 matches

by aptitude
Sun Nov 06, 2011 3:26 am
Forum: Microbiology
Topic: How to check if primers will work?
Replies: 3
Views: 2221

On Ubuntu Linux, you can use PerlPrimer.
by aptitude
Sat Nov 05, 2011 5:31 am
Forum: Cell Biology
Topic: Question about DNA Replication and Protein Synthesis
Replies: 2
Views: 4406

During the S phase of the cell cycle, rates of protein synthesis are very low. The one exception is the synthesis of histones, of course. Also, during the M phase, microtubule assembly and centrosomal division must occur so tubulin must be rapidly synthesized. Other than that, very little protein sy...
by aptitude
Thu Nov 03, 2011 12:00 am
Forum: Cell Biology
Topic: What are 5 target proteins for activated CDKs
Replies: 2
Views: 1940

Cyclins A, D, E, G2/M, and B.
by aptitude
Wed Nov 02, 2011 6:20 am
Forum: General Discussion
Topic: ion exchange chromatography
Replies: 1
Views: 886

Yes, eluting buffer would come afterwards.
by aptitude
Wed Nov 02, 2011 2:42 am
Forum: Evolution
Topic: Why are flowers "beautiful"?
Replies: 114
Views: 111977

I am not understanding this discussion. Are you talking about the evolution of sweet receptors, or how sweetness is perceived?
by aptitude
Wed Nov 02, 2011 1:39 am
Forum: Molecular Biology
Topic: Mismatch DNA repair
Replies: 4
Views: 4590

DNA polymerase III proofreads as it elongates the strand, using a primer with a 3' hydroxyl. DNA polymerase I proofreads as it replaces the primer.
by aptitude
Tue Nov 01, 2011 11:30 pm
Forum: Human Biology
Topic: Cortisol effect on immune system?
Replies: 3
Views: 3584

Yeah, and the main reason why cortisol suppresses the immune system is mainly to reduce inflammation.
by aptitude
Sun Oct 30, 2011 11:51 pm
Forum: Cell Biology
Topic: 2 questions about mitosis. Please Help?
Replies: 2
Views: 3833

1. Cytokinesis begins in telophase. As the nuclear envelope is forming, the cleavage furrow is forming as well.

2. Metaphase is the longest.
by aptitude
Sun Oct 30, 2011 9:53 pm
Forum: Zoology Discussion
Topic: alternation behaviour
Replies: 3
Views: 6589

Yes, the movement of sowbugs is referred to as "kinesis". It differs from what are called "tropisms" in that kinesis is not directional.
by aptitude
Sun Oct 30, 2011 9:39 pm
Forum: Microbiology
Topic: Helicobacter pilory
Replies: 7
Views: 5660

Probably all you need to know is that it causes stomach ulcers.
by aptitude
Fri Oct 28, 2011 6:51 pm
Forum: Microbiology
Topic: Which stain is frequently used to identify Mycobacterium?
Replies: 3
Views: 3210

Mycobacterium is acid-fast because of the high concentration of mycolic acids (fatty acids) in the cell wall. They will appear to be red.
by aptitude
Fri Oct 28, 2011 1:46 am
Forum: Cell Biology
Topic: Photosynthesis question...
Replies: 3
Views: 6106

Splitting water releases two electrons and two protons. The electrons are used to transport the protons from the stroma to the thylakoid space. The molecules that transport protons are specific cytochromes in the electron transport chain. This proton gradient is used to synthesize ATP using chemiosm...