In Figure 44-4, the arrow most affected by blood pressure changes will be:
a. 1
b. 2
c. 3
d. 5
e. 6
A
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DNA replication always proceeds in only one direction because the ________ of the incoming nucleotide is attached to the free ________ of the growing DNA strand
A) 5'-phosphate / 3'-hydroxyl B) 3'-phosphate / 5'-hydroxyl C) 5'-deoxyribose / 3'-base D) 3'-base / 5'-deoxyribose
Prions can be destroyed by autoclaving.
Answer the following statement true (T) or false (F)
The time it takes for half of a radioisotope's
atom to decay is called the
a. decay time. b. half-life c. isotopic life d. release time e. denature time
According to your text, how many classes of IFs exist?
The proteins of intermediate filaments (IFs) are tissue-specific. Unlike microtubules or microfilaments, the amino acid composition of intermediate filaments varies from tissue to tissue. IFs are classified by the cell type or tissue in which they are found.