Blood transfusions are still undetectable.

Australian labelling rules on supplements are extremely strict.

Excessive levels of androgens can cause cancer.

Big muscles give more power to athletes.

Anabolic steroids enhance stamina.

HGH is secreted by the thyroid gland.

Dr Ho thinks that HGH is ineffective.

Peptides are exclusively synthetic substances.

Sebanyak 0.5 mol gas NO₂

dipanaskan dalam ruangan dengan volume 5 liter sehingga membentuk dinitrogen

pentaoksida menurut persamaan :

4NO₂

(g)

+ O

Dalam 20 detik pertama terbentuk 0.5 mol N₂O₅

.

Laju pengurangan NO

Sea una función de clase dos en el intervalo tal que , y para todo .