Answer:
Nitrogen
Explanation:element found in all organic compounds carbon
element found in proteins but not carbohydrates or lipids nitrogen
three parts of a nucleotide phosphate, sugar, base
element found in nucleic acids, but not proteins, carbs, or lipids phosphorus
Answer:
undergo irreversible repression
Explanation:
Cellular differentiation refers to the process by which one cell and/or cell population divides and differentiates into more specialized cells. During cell fate differentiation, epigenetic marks modify chromatin structure in order to hamper the accessibility of the transcriptional machinery and transcriptional factors to different genes, which are irreversibly repressed. These epigenetic marks include DNA methylation and histone modifications (e.g., histone acetylation, histone methylation, etc). For example, it has been shown that DNA methylation and histone H3 lysine 27 tri‐methylation (H3K27me3) are epigenetic repressive marks on genomic regions that play a major role in gene expression programs during cell fate differentiation.
If there was no nuclear membrane then the contest of the cell would spill out. and there will be nothing keeping everything together.
Answer: they need sunlight and water to grow and be healthy as adults
Answer:
When jogging, he sees an ice patch and decides to change directions to a different route.
Explanation:
The body's somatic sensory system refers to the <em>voluntary control of the body movements.</em> An example of this is the voluntary control of the <u>skeletal muscles. </u>
In the case above, the jogger sensed danger when he saw the ice patch. Such information is perceived by the central nervous system. This then commands his body to move in a different direction.
He then decided to change direction, which means he is responsible for voluntary controlling his body to move in that particular direction <em>(away from the ice patch).</em>
So, this explains the answer.
