Plants using the C4 photosynthetic pathway
A) use rubisco to catalyze the reaction between O2 and RuBP.
B) have a lower rate of photosynthesis than plants using the C3 photosynthetic pathway.
C) divide photosynthesis between mesophyll and bundle sheath cells.
D) are mostly trees.
C
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Which of the following is not true with regard to the First Law of Thermodynamics?
A. Energy can never be created or destroyed. B. The energy of a system is conserved. C. The first law cannot predict whether a process is spontaneous. D. There can be transfer of energy in either direction of a process as long as the total energy of the system remains unchanged. E. All spontaneous processes take place with an increase in disorder.
The atomic number refers to the
a. mass of an atom. b. number of protons in an atom. c. number of both protons and neutrons in an atom. d. number of neutrons in an atom. e. number of electrons in an atom.
Work by ________ laid the foundations of immunology with the development of vaccines.
A. Redi and Spallanzani B. Koch and Pasteur C. Jenner and Pasteur D. Lister and Semmelweis E. Pauling and Woese
Since there is a larger concentration of potassium ions inside a neuron, why is the inside of the neuron negative (-70mV) relative to the outside?
A. The negative sign is just a historical convention. B. Potassium ions carry a negative charge. C. The high concentration of sodium ions outside the cell makes the inside negative by comparison. D. Negatively charged proteins inside the cell counteract the charge of the potassium ions.