Chromosomes and genes are replicated during
a. anaphase.
b. metaphase.
c. interphase.
d. prophase.
e. telophase
C
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Answer the following statements true (T) or false (F)
1. Photons from light can boost an electron to a higher energy state. 2. Harnessing light and splitting water occurs in both photosystem I and II. 3. The Calvin cycle is only capable of fixing carbon dioxide in the dark. 4. In hot and arid environments, plants that maximize photorespiration produce the most sugars.
Structures that appear along the synaptonemal complex during pachytene where genetic material is exchanged between nonsister chromatids are the ________.
A) chiasmosomes B) telomeres C) centromeres D) recombination nodules E) kinetochores
Most of the energy within an ecosystem is lost
a. when organisms disperse. b. when organisms die. c. as a result of metabolism. d. by organisms at the top of the food web. e. by organisms at the bottom of the food web.
How long can endospores survive?
A) Hours B) Days C) Months D) Years E) Potentially limitless