He is the first to coin the word 'cell' in description of microscopic entities using a compound lens microscope
A. Girolamo Fracastoro
B. Van Leeuwenhock
C. Robert Hook
D. Hippocrates
Ans: C. Robert Hook
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About ________ percent of the human genome actually encodes proteins.
A) 0.5 B) 1.5 C) 5.0 D) 10 E) 100
Answer the following statements true (T) or false (F)
1. In eukaryotic cells the electron transport system occurs in the mitochondria. 2. In prokaryotic cells the electron transport system occurs in the mitochondria. 3. Chemiosmotic phosphorylation occurs when protons pass through ATP synthase and combine with oxygen and electrons to make water. 4. Substrate-level phosphorylation occurs when protons pass through ATP synthase and combine with oxygen and electrons to make water. 5. Anaerobic respiration uses oxygen as its final electron acceptor at the end of the electron transport chain.
The two most abundant ions in plasma are ____
a. HCO3? and Ca2+ b. HCO3? and Cl? c. Na+ and Ca2+ d. Na+ and Cl?
e. Na+ and K+The first evidence that the vasodilatory signal molecule was produced by ____ was reported in 1980
a. nitric oxide b. endothelial cells c. CO2 d. cardiac muscle cells e. platelets