What are three different defects that could be responsible for malfunctioning lysosomes?

select the three correct answers.

a) a defect in the synthesis of the glucose-6-phosphate dehydrogenase

b) a defect in the mannose-6-phosphate receptor in the golgi apparatus

c) a defect in the releasing small molecules from digested materials into the cytosol

d) a defect in a hydrolytic enzyme that breaks down polysaccharide

e) a defect in the process of adding a mannose-6-phosphate signal to lysosomal hydrolases

f) a defect in the mannose-6-phosphate receptor in the mitochondria

Which of the following conclusions can be drawn

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

Draw the structure of dna nucleotide with adenine as nitrogenous base