Answer:
Rate of change of volume of the pile 
Explanation:
Given -
Rate of increase of the base of the pile 
inches per minute
Height of the pile 
the radius of the base
Let "h" be the height of the pile and "r" be the radius of the base.
Then 
Radius "r" 
inches
Rate of change of radius i.e
Volume of conical pile
Change in volume of conical pile
Substituting the value of rate of change of radius, we get -
Rate of change of volume of the pile
The correct answer is B, internal intercostal muscles and abdominal muscles would contract.
Exhalation is the flow of the breath out of the body. During forced exhalation, internal intercostal muscles contracts which lower the rib cage and decrease thoracic volume, while the abdominal muscles push up on the diaphragm which causes the thoracic cavity to contract.
Answer:
Some forms of chromatin modification can be passed on to future generation of cells
Acetylation of histone tails in chromatin allows access to DNA for transcription
DNA is not transcribed when packaged tightly in a condensed form
methylation of histone tails can promote condensation of the chromatin
Explanation:
chromatin modifications that can be passed on includes epigenetic modifications that are heritable changes made to the chromatin structure that does not involve the DNA sequences. Some epigenetic modifications include DNA methylation and Histone modifications. examples of histone modification include acetylation, methylation, phosphorylation, ubiquintylation etc. All these function either in allowing the DNA become more accessible to transcritional factors or vice versa. for exmple, histone tail acetylation encourages unwounding of nucleosomes allowing transcriptional factors to have access to the DNa while histone tails methylation further tightens the nucleosomes promoting condensation of the chromatin.
If you remove one light bulb in a series, the other will go out because a series only goes through one path of electricity
