Answer:
It means that the cell membrane allows certain substances to pass through and not others. As the cell membrane consists of a phospholipid bilayer with a hydrophobic core, only small uncharged hydrophobic molecules can pass through the cell membrane e.g. glucocorticoid and other larger charged particles require transporters or channel proteins to pass through the cell membrane, e.g. glucose.
Punnett square predicts the percentage of offspring
Answer:
How much phosphorus does the human body have?
How much phosphorus do I need?
Life Stage Recommended Amount
Children 9 to 13 years old 1,250 mg
Adolescents 14 to 18 years old 1,250 mg
Pregnant and lactating adolescents 1,250 mg
Adults over 19 years of age 700 mg
Explanation:
I can try? So the 1st one I think the answer is ‘contaminating...” -that one. The 2nd is “of pollution...”- that one. The 3rd is “the flowering plants...”- that one. The 4th is “the plants that could tolerate...”- that one. And then the last is ‘a population only...”. Hope this helps or works!
Answer:
ambot sa imoa uy mag goggle ka