Glucose is not able to pass through a semi-permeable cell membrane. if the cells need sugar to make atp and carry out cellular processes, how does the sugar get into the cell?
a) passive transport by diffusion through proteins
b) active transport using atp and carrier proteins
c) passive transport by osmosis through the proteins
d) active transport using a process called phagocytosis

According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously

Match the following terms and definitions. 1. species that are adapted to live in equilibrium at carrying capacity population density 2. population growth that reaches equilibrium and carrying capacity population 3. death rate mortality 4. birth rate k-selected 5. a group of interacting individuals of the same species within the same geographic area natality 6. the number of organisms living in a particular area logistic growth

Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review