B, C, D
A is r-selected species
Here is an image of the hun age body system
Enzymes are considered catalysts, they help reactants and can be used over and over
Answer:
Because your final periods can be irregular, menopause is confirmed 12 months after your last period. It is not normal to bleed or spot 12 months or more after your last period. Bleeding after menopause is usually a sign of a minor health problem but can sometimes be an early sign of more serious disease.
Characteristics of Maltase from Baker's Yeast:
Molecular weight: 68,500 daltons. pH Optimum: 7.0 - 7.5 using maltose as the substrate. Inhibitors: Thiol blocking compounds, heavy metal ions, histidine, and certain amines. Tris should not be used as a buffer due to its inhibitory effect.