Vertebrates have four Hox gene clusters that control the anterior-posterior axis. Indicate whether the statement is true or false
True
Biology & Microbiology
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Epigenetic modifications affect the nucleotide sequence of the DNA
a. True b. False Indicate whether the statement is true or false
Biology & Microbiology
The bipolar spindle is composed of __________. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
All of the following are components associated with bacterial cytoskeletons except
A) FtsZ. B) MreB. C) plectin. D) crescentin. E) A, B, C, and D are associated with the bacterial cytoskeletons.
Biology & Microbiology
Which molecule, when moving across a plasma membrane, would require the most ATP to be used?
A) a water molecule B) a simple sugar, such as glucose C) a dissolved gas, such as carbon dioxide D) an ion moving against a concentration gradient
Biology & Microbiology