The abo blood groups in humans are expressed as the ia, ib, and i alleles. the ia allele encodes the a blood group antigen, ib encodes b, and i encodes o. both a and b are dominant to o. if a heterozygous blood type a parent (iai) and a heterozygous blood type b parent (ibi) mate, one quarter of their offspring will have ab blood type (iaib) in which both antigens are expressed equally. therefore, abo blood groups are an example of

Salmonella typhimurium is a food-borne bacterial pathogen that can cause severe gastrointestinal disease. salmonella is often phagocytosed by macrophages that normally destroy bacterial pathogens, but this bacterium is somehow able to prevent the complete maturation of phagolysosomes. salmonella is able to tolerate the low ph of phagolysosomes, and in fact responds to the drop in ph by secreting toxins that interfere with other cellular responses. which of the following differences would you expect to contribute to the survival of a bacterium within an salmonella-containing phagosome, compared to a healthy phagolysosome? decreased activity of acid hydrolases increased activity of acid hydrolases decreased import of h+ ions increased import of h+ ions my guess is decreased activity of acid hydrolases but i'm not sure.

Acell goes through cellular respiration and produces atp which it then uses to move a molecule across the cell membrane. how does the energy in the original glucose molecule change during this process? (2 points)

This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement