Which of the following molecules would need assistance to pass through the plasma membrane?
[mark all correct answers]

a.
alcohol

b.
amino acids

c.
glucose

d.
carbon dioxide

e.
steroids

f.
sodium ion

The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis

Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal

Kinases add - groups to other enzymes. this activities some enzyme while inhibiting other