Explanation:
option B is correct answer of this question
A gamete is a haploid cell, a cell with only one pair of chromosomes. Say the skin cell of a human has 46 chromosomes (2 pairs), a gamete would have 23 chromosomes (1 pair) because gametes are sex cells. When a sex cell (Egg and sperm) come together, they together will create a dipole cell (46 chromosomes, 2 pairs).
The LDL receptor and transferrin receptors are examples of receptors that function by receptor-mediated endocytosis. The LDL receptor is a transmembrane protein of the plasma membrane. Occupancy of the ligand binding site of the LDL receptor in the extracellular domain of the receptor by LDL initiates endocytosis.
Could you make this into a singular question? I did this recently and would be happy to help, but I cannot just give you my entire report...
An extinction (also known as background extinction) is an ongoing extinction of individual species while mass extinction is the extinction of a large number of species in a short period of time.
Make sure to rewrite if using in an assignment, wouldn’t want everyone submitting the same answer lol. Hope this helped