Which of the following is at the highest energy level?
A. A reaction center chlorophyll that has
received the energy from a blue-light photon
B. A reaction center chlorophyll that has
received the energy from a red-light photon
C. A reaction center chlorophyll that has
received the energy from a green-light photon
A
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A soft drink manufacturer, notorious for making marketing claims that are deceptive but technically accurate, has released a new sports beverage. The advertisements for this beverage assert that it contains an ingredient necessary for life, guaranteed to absorb into cells as fast as, if not faster than, the competition’s sports beverages and is 100% hypotonic. You buy a bottle to test these claims and laugh when you discover what it really is. What are they selling?
a. salt water b. sugar water c. purified water d. corn syrup
Which structure is responsible for chromosome movement during cell division?
A) synaptonemal complex B) kinetochore microtubules C) metaphase plate D) nuclear envelope E) cell membrane
After meiosis, the gamete joins with another gamete in all eukaryotic organisms.
Answer the following statement true (T) or false (F)
Who is credited with demonstrating unidirectional and nonreciprocal transfer of DNA between two mating E. coli cells?
A. Tatum B. Lederberg C. Hayes D. None of the choices are correct.