All Prochlorococcus strains contain
A) chlorophylls a and b.
B) chlorophyll a and phycobilins.
C) chlorophyll b and phycobilins.
D) chlorophylls a and b and phycobilins.
Answer: A
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Veins from the ____ join together and form the hepatic portal vein
a. large intestine b. liver c. pancreas d. small intestine e. stomach
Which of the following is NOT TRUE concerning
photosystem I? a. It can run independently as a cyclic pathway. b. It runs as a cyclic pathway when too much NADPH is produced. c. Electrons from p700 return to p680 when it runs as a cyclic pathway. d. When it runs as a cyclic pathway, neither NADP+ nor O2 is formed. e. Its energized electrons are used to build a high H+ concentration.
Which of the following lacks a cell wall?
A. plant B. animal C. bacteria D. fungi
A cell biologist has developed a new drug that blocks vesicle transport at the cis face of the Golgi apparatus. What will this drug prevent from happening inside a cell?
A. the movement of materials from the Golgi apparatus to the plasma membrane B. the movement of vesicles from mitochondria to the Golgi apparatus C. the synthesis of proteins or lipids on the endoplasmic reticulum D. the movement of the lipids and proteins from the endoplasmic reticulum to the Golgi apparatus