What is the effect of molecule size on a molecule’s ability to diffuse across a semipermeable membrane?

Hector is back from his morning run and is feeling lightheaded because his energy is depleted. which food item will provide him with a quick source of carbohydrates? a. fruit juice b. tuna fish c. scrambled eggs and butter d. beans

What must happen before meiosis can begin? a. four gametes must be produced b. the four tetrads must be pulled apart c. dna doubles and produces sister chromatids d. the cell membrane pinches together

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.