Which of the following is an appropriate description of a nucleosome?
a) DNA wrapped around a histone octamer
b) DNA wrapped around a kinectochore octamer
c) DNA wrapped around a shelterin octamer
d) DNA wrapped around a binding protein octamer e)DNA wrapped around a histone octamer + linker DNA
Ans: a) DNA wrapped around a histone octamer
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Which of the following is incorrectly matched?
A. Simple cuboidal; kidney tubules B. Transitional epithelium; bladder C. Stratified squamous; esophagus D. Simple columnar; intestines E. Simple squamous; nasal passages
The interaction between two polar molecules would involve ________
A) ionic bonds B) peptide bonds C) covalent bonds D) hydrogen bonds
Which of the following has negligible mass?
a. atom b. element c. proton d. neutron e. electron
Which of the following is incorrect about dicots?
A. They have leaves with netlike (reticulate) veins. B. They typically have flower parts in fours and fives. C. Oak trees are an example. D. They are likely the first angiosperms. E. Grasses are an example.