Which of the following is transmission of disease from mother to fetus?
A. Direct
B. Fomites
C. Droplets
D. Vertical
E. Vector
Answer: D
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A whale that floated when harpooned was called a(n) ____
a. orca b. right whale c. blue whale d. fin whale e. sperm whale
Which of the following phyla has a unique water vascular system that usually includes tube feet that
can be used for movement?
a. Hemichordata b. Echinodermata c. Cnidaria d. Arthropoda e. Chordata
A system that compensates for pH fluctuations by donating or accepting H+ is known as a(n) ____
a. acid b. base c. salt d. buffer e. antioxidant
The Bcl-2 gene product in its normal form can be activated to prevent cells from undergoing apoptosis (programmed cell death) in specific circumstances. It is a carefully regulated gene, being "turned on" only under specific circumstances
A null mutation in Bcl-2 leads to excessive cell loss. Some Bcl-2 mutation can cause a "gain of function" in which the protein is active all the time. a. In the terms used in this chapter, what would the normal version be called? b. What would the gain-of-function mutation be called? c. How would you expect the gain-of-function mutation to be involved in cancer?