no I don't have it as I am studying in 5th grade
The basic pattern of breathing is established by the DORSAL RESPIRATORY GROUP located in the MEDULLA OBLONGATA.
Answer:
Atoms can join together - they form bonds together - to make MOLECULES. For example, two atoms of hydrogen hook together to form a molecule of hydrogen, H2 for short.
Explanation:
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Polygenic of or relating to an inheritable character that is controlled by several genes at once of a related to or determined by polygenes. Genetic science, genetics- the branch of biology that studies heredity and variation in organisms.
Answer:
Pepsinogen is a powerful and abundant protein digestive enzyme secreted by the gastric chief cells as a proenzyme and then converted by gastric acid in the gastric lumen to the active enzyme pepsin.
Explanation:
The role of pepsin and its precursor in protein digestion was first described in the 19th century.