Why do biologists believe glycolysis evolved before the Krebs cycle and the electron transport chain?
A) Glycolysis requires oxygen, which was one of the first elements on Earth.
B) All organisms use glycolysis; not all use the Krebs cycle and the electron transport chain.
C) Glycolysis occurs in the mitochondria, which all organisms have.
D) Glycolysis is the most efficient at producing energy.
Answer: B
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Answer the following statements true (T) or false (F)
1. The development of hypertension in humans is associated with obesity, smoking, age, and kidney disease. 2. In an open circulatory system, there is no difference between blood and interstitial fluid. 3. Relative to closed circulatory systems, Open Circulatory Systems pump hemolymph at relatively high pressure. 4. Blood is typically delivered to respiratory structures at low pressures in closed circulatory systems.
The letter "A" in the accompanying figure represents ____
a. sclerenchyma fibers b. parenchyma c. xylem d. epidermis e. phloem
is osmosis carrier mediated transport or non carrier mediated transport
What will be an ideal response?
Which process does not match the location in a typical eukaryotic cell?
a. glycolysis?mitochondrion b. formation of acetyl coenzyme A?mitochondrion c. citric acid cycle?mitochondrion d. electron transport?mitochondrion e. chemiosmosis–mitochondrion