The first one I'm pretty sure
Answer:
Pleiotropy
Explanation:
The pleiotropic is a type of genetic behaviour which influence and affect more than one trait. Sickle cell anemia disease is a type of pleiotropism. In sickle cell anaemia patients, haemoglobin A is entirely replaced with haemoglobin S. Such patients have the genotype HBs HBs. Heterozygotes who carry the sickle cell gene HBa HBs are said to have a condition called sickle cell trait thus the expression of two different genotypes by one single gene indicates pleiotropism.
Haemoglobin S crystallizes when oxygen concentration is low in capillaries making the red blood cells to assume a crescent or sickle shape. Such cells transport oxygen very poorly leading to anaemia.
Answer:
All the choices are common cellular activities.
Explanation:
When chemicals come in contact with cells, it can influence and cell respond.
Cells take in and use energy as ATP is the energy currency of the cell.
Cells regulate their internal environment by the process named Homeostasis.
C i think eeeeeeeeeeee it’s c or d
