Cell Biology Answers

How do you calculate the adjusted amount of energy that is available to organisms that are one trophic level above producers

Glucose and sodium move from the lumen of the small intestine into the blood , describe the source of energy used to move glucose into the epithetial cell from the intestinal lumen

Oncogenes are mutated forms of genes. Oncogenes can transform a cell into a tumor cell some tumor cells are benign while other are malignant how does the prensence of an oncogenes lead to the formation of a tumor

What molecules does the cell need in order to build the new copies of DNA?

For every activation of a proton-pump in the ETC, the Respiratory Assembly kicks into action once.

a) How many ATP's will be made by the Respiratory Assembly for every NADH from Kreb's Cycle?...for every FADH2?... (2 marks)

b) What happens to this ATP - i.e. how does it get out of the mitochondrion?

Cells are divided into which two major groups?

Aerobic breakdown of sugar yields 2870 kJ of energy per mole, whereas anaerobic breakdown of sugar yields no more than 210 kJ per mole. Explain this drastic difference in energy in terms of the processes that occur in aerobic vs. anaerobic processes.  *

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Why each type of cell division is necessary for survival?

how does the structure of centrioles relate to their function?

How are cells able to transport large molecules?