Question 13 (4 points) (04.05H MC)
At which of the following points during the carbon cycle is energy transformed from chemical to mechanical energy? (4 points)
O a
When stored energy is released as heat
Ob
When ATP molecules are used to fuel movement
Oc
When carbon dioxide is converted to glucose
Od
When fossil fuels are burned releasing carbon dioxide

Which of the following statements about c4 carbon fixation is not true? a c4 carbon fixation is an adaptation for plants exposed to high light intensityb. c4 carbon fixation occurs in more plants than c3 carbon fixation.c c4 carbon fixation is more common in areas of high temperatures than c3 carbon fixation.d. c4 carbon fixation occurs in the inner cells of a leaf rather than the entire leaf.

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

Anton created a chart listing different types of materials. which best complete the chart?