Vad Pérez

7 Questions 21 Answers 0 Followers

Questions related from Vad Pérez

Can stem cells (not cancer ones) be considered immortal?

Stem cells can reproduce themselve, although their proliferation rate is very low. On the other hand there are the so-called "immortalized cell lines" which have a normal or high proliferation...

08 August 2019 8,029 4 View

How many times can divide a plant stem cell in the quiescent center?

Plants growth occurs through cell division at their meristems. However, there exist thousand-years old trees. Do their meristematic quiescent cells divide at an exceptionally slow rate, or are...

07 July 2019 8,435 5 View

Heatmap with a cladogram — how to make it?

Hello everyone! I have a question on heatmaps with a cladogram (like the one shown in the picture, taken from...

05 May 2019 3,459 2 View

Intracellular Ca2+ and ATP — do they precipitate?

Hello everyone! In most papers I looked in, it is mentioned that one of the main reasons why cells keep low resting cytosolic Ca2+ levels is that if high, it will interfere with ATP,...

04 April 2019 4,410 2 View

How to check for presence/absence of a protein orthologs across kingdoms?

A newby question: I have a mammalian protein for which I would like to know "its history". Is there any tool/platform I could use to check the presence of this protein's orthologs in different...

01 January 2019 630 16 View

When an eukaryotic cell divides, the resultant cells are not equivalent, and a "mother cell" can be distinguished. How about prokaryotes?

Are the two prokaryotic cells resulting after division equivalent, or, as in the case of eukaryotic cells, they can be distinguished?

04 April 2017 4,702 5 View

Specialization vs. Peer review

Just a thought: as the number of narrow specialists grows, so does decrease the number of peers who can “double-blindly” revise one's work, turning the review process into a fallacy. So, will...

01 January 1970 8,682 3 View