Answer:
The given blank can be filled with histones.
Explanation:
The family of basic proteins, which associate with the DNA in the nucleus and assist in condensing it into chromatin are known as histones. The nuclear DNA does not come in the form of free linear strands, it is heavily condensed and enveloped around the histones so that to get fit within the nucleus and take part in the generation of chromosomes.
These are the basic proteins, and because of their positive charge, they get associated with the DNA. Under the microscope, chromatin appears like beads on a string. The beads are known as nucleosomes. Each nucleosome comprises DNA wrapped around the 8 histone proteins, which works like a spool and is known as a histone octamer.
Answer:
The correct answer is - option III.
Explanation:
An experiment is scientific procedure to test a hypothesis and to demonstrate any scientific procedure to prove something. In high school laboratories there are experiments constitutes scientific methods that helps in demonstrate or prove or existence of something.
Extracting various pigments from the leaves of plants and identifying them by separating from it, is the best example of the high school laboratory experiment among all the options.
Thus, the correct answer is - option III.
Answer:
The correct option is B. An economist might use this example to <u>define resource immobility.</u>
Explanation:
Resource immobility can be described as a resource that happens to be of no competitive advantage. The resource is easy to obtain but competitors do not consider using it.
For example, in the scenario discussed in the question above, a similar plant is available in another city but the unemployed people do not want to avail that facility. The workers might compete for working in the closed plant but there is no such competition to work in the plant that is out of state.
Answer:
Epigenetic effects can be caused by DNA heterochromatin and/or histone silence or activate.
As such, they can different chromosomes or certain chromosomal regions and be responsible for parental imprinting or influencing gene activity in oxidation and reduction.
Patterns of nucleotide demethylation and hypermethylation are often activate when cancer cells are compared to normal cells.
Explanation:
Cells acquire various patterns of gene expression during differentiation to adapt to a changing environment. Epigenetic and genetic alterations are considered as two independent mechanisms that participate in the onset and progression of cancer. Epigenetic mechanisms can be as important for biological events as genetic mechanisms, which do not imply a change in the DNA sequence, but do have an important role in the modification of gene expression.
Answer:
Cell Divide
Explanation:
When cells increase in numbers they go through a special process. This process makes them divide into to two exact copies of each other.
