Blood vessels that can expand and contract contain a lot of collagen as a structural extracellular matrix protein.
Answer the following statement true (T) or false (F)
False
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A human blastomere is _____
A) an embryonic cell that is smaller than the ovum B) an embryonic structure that includes a fluid-filled cavity C) that part of the acrosome that opens the egg's membrane D) a component of the zona pellucida E) a cell that contains a (degenerating) second polar body
A cell is considered _______ if two of each type of chromosome are present inside the cell.
Fill in the blank(s) with the appropriate word(s).
The direct cell count, using a flow cytometer, can determine both viable cell numbers and number of dead cells in the sample.
Answer the following statement true (T) or false (F)
You eat a bowl of beans as part of your dinner. As you digest the beans, the proteins that are present get broken down to their component amino acids. As your body destroys the macromolecules that were present in the beans, is the energy present in those molecules destroyed?
A. No. Breaking down molecules does not lead to the release of energy. B. No. While the vast majority of the energy contained in these macromolecules is converted to heat, it is not actually destroyed. C. No. The energy contained within these macromolecules is converted into other forms of chemical energy and kinetic energy, though some is lost as heat. D. Yes. By breaking down these macromolecules, some of the energy they contained is destroyed.