Which of the following assists the alignment of sister chromatids during metaphase?
A. Radial loop domains
B. Cohesin
C. Centromeres
D. Nucleosomes
E. Condensin
B
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Reactions that remove the equivalent of a water molecule when subunits are joined to make a larger
molecule are called ____ reactions.
a. equilibrium b. hydration c. hydrolysis d. redox e. dehydration synthesis
Which of the following statements concerning hydrocarbons is false?
A) Octane is a hydrocarbon. B) Hydrocarbons are insoluble in water. C) Hydrocarbons are the most abundant organic molecules in cells. D) Only hydrogen atoms are used to complete the valence requirements of carbon in hydrocarbons. E) Phospholipids have hydrocarbon tails.
The reason biologists believe that green algae and land plants, both members of the supergroup Archaeplastida, are related is because both of them possess chlorophyll a and b, as well as cell walls made of starch.
Answer the following statement true (T) or false (F)
Understanding the abiotic microenvironment of a community is not very informative when studying the microbial populations in that environment.
Answer the following statement true (T) or false (F)