Botulism is caused by a toxin from the bacterium of the group (genus)
a. Clostridium.
b. Escherichia.
c. Salmonella.
d. Staphylococcus.
e. Streptococcus.
A
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A chromosomal aberration in which part of a chromosome is lost is known as ________
A) deletion B) translocation C) crossing-over D) inversion
Most of the digestive secretions do not remain in the fecal material
Indicate whether the statement is true or false
On a normal ECG, a wave for repolarization of the atria is not recorded. Why?
a. the leads are not placed in a position to pick it up. b. no repolarization of the atria occurs normally. c. it occurs simultaneously with ventricular depolarization and is masked by the QRS complex. d. it does not travel through body fluids. e. it is too small to be picked up by external recording electrodes.
Cellular reproduction that forms two identical nuclei
a. cytokinesis
b. cellular reproduction
c. mitosis
d. meiosis