Answer:
nucleus
The function of the nucleus is to regulate gene expression, including controlling which proteins the cell makes. In addition to DNA, the nucleus contains a thick liquid called nucleoplasm that is similar in composition to the cytosol found in the cytoplasm outside the nucleus
Explanation:
Answer:
its either a or b i don't know exactly cuz I didn't learn this but I tried looking it up and it didn't work
Chemical factors: This is due to internal stimuli. Changes in the blood such as decrease in O2, increase in CO2 and decrease in PH cause impulse in the carotid artery which stimulates the respiratory centers in the medulla and cause breathing.
Mechanical factors: also called external stimuli. Compression of the fetal chest during delivery forces small amount of lung fluid out of the lungs. This increase in pressure in the chest draws air into the lungs.
Answer:
True
Explanation:
If you have a low PH it will become denatured
Answer:
Option (4).
Explanation:
Chromosome may be defined as highly compact DNA structure. The eukaryotic chromosome of different parts like centromere, short arm, long arm of chromosome and telomeres.
The telomeres are the DNA sequences present at the end of chromosome. These telomeres do not code for the proteins and get shorten after each round of replication. Telomeres are responsible for ageing in the living organisms.
Thus, the correct answer is option (4).
