Here are almost 500 naturally occurring variants of hemoglobin. most are the result of a single amino acid substitution in a globin polypeptide chain. some variants produce clinical illness, though not all variants have deleterious effects. identify the variant or variants that can be described by each of the three statements by placing the letter corresponding to the statement next to the variant. statement b may describe more than one variant, and a variant may be described by more than one statement. at least one variant will not match any description. a. the hb variant least likely to cause pathological symptoms. b. the variants most likely to show pi values different from that of hba on an isoelectric focusing gel. c. the variant most likely to show a decrease in bpg binding and an increase

answer:

the patient complains of irritated stomach with gas after eating spicy foods.

explanation:

answer: no, they are not.*

although rubber bands that contain excessive amounts of dye, toxins, or additives are sometimes toxic, most rubber bands do not cause any health issues. since they are typically made of latex, (a natural substance that is extracted from trees) they are not dangerous in any way if you chew them or accidentally ingest a piece of rubber band. however, chewing rubber bands does pose a choking hazard and is not a good habit to have.

*depending on the type of rubber band. the typical rubber bands that you see at stores are not toxic, but other types of rubber or latex that contains certain chemicals may be unhealthy and hazardous.

...~  "Your child's perception of death is abnormal and concerning for the developmental age. Your child should be focused on death as a distant event." ~...