29. Which of the following is true about a larger cell?
A. More wastes must leave the cell.
B. More molecules must move through the membrane.
C. Distances from the cell membrane to various organelles are greater.
D. all of the above

30. To reduce the dependence on diffusion, multicellular organisms have
A. reduced cell size and the number of cells
B. developed thinner cell membranes
C. developed other internal transport systems
D. all of the above

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4