Question 9 (2 points) Which of the following about the action of insulin on target cells is correct?
1) glucose binds to a cell-surface receptor to signal installation of insulin carriers
O2) insulin enters cells by protein-mediated diffusion
3) insulin binds to glucose carrier to open it
4) insulin increases protein-mediated diffusion of glucose

Which of the following is an example of competition that could be found in a forest? question 14 options: deer eat berries and their droppings seed new areas creating more berry bushes two fox populations utilize the same rabbit population as their main food source two hawk populations utilize the same scorpion population as their main food source lack of sunlight due to changes in the seasons restricts the growth of certain plants

Each hereditary trait corresponds to

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.