When does the cell have to use active transport

a) when the cell is low on energy

b) when the cell is in a highly concentrated solution

c) to move molecules across the membrane quickly

d) to move molecules across the membrane against a gradient

Which of the following best describes the purpose of technology?

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.