For Absolute dating they assign a numerical date to each rock layer studied
For relative dating they go Through geological dating and stratigraphy processes. Also, they use Uranium Dating.
Mitosis is asexual reproduction whilst meiosis is sexual
Molecular biotechnology is basically the study and alteration of nucleic acids and proteins in living organisms for various applications. It encompasses the different scientific fields of genetics, engineering, chemistry, microbiology, etc. Because of this, all of the given choices are methods of molecular biotechnology EXCEPT DNA profiling.
What is different concerning the DNA in bacterial cells as opposed to eukaryotic cells
o The amount of DNA present, whether the DNA is housed in a nucleus or not, and whether the DNA is linear or circular
• Which of these statements is true regarding cell division in the body of a growing teenaged human?
o Only a subset of cells is dividing at this point o We grow by cell division, but not all of our cells are dividing
• Dividing cells must copy their DNA
( replication ), segregate DNA and other cellular components during
( mitosis ) and split apart during
( cytokinesis)
• Our chromosomes exist as many sets of similar pairs with the EXCEPTION of our sex chromosomes o the sex chromosomes of the human female are also pairs. It is the X and Y of the male that break this rule •
The a and b alleles when present together as ab is, both alleles are expressed so it is co-dominant alleles.
