David wants to improve the food shortage situation in his country. Which of these fields of biology should he study?

A.
pathology
B.
agriculture
C.
evolutionary biology

Biologists use the system of binomial nomenclature developed by linnaeus to assign scientific names to known living organisms which area of society or strengthened by money is contribution to science

If a human has 23 pairs of chromosomes in every muscle cell of its body how many chromosomes will be in a human egg or sperm

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.