In genetic mapping, a map unit is defined as:
A. the distance between two genes.
B. 1 millimeter.
C. 1 micrometer.
D. the distance between genes resulting in
1% recombination.
E. the distance between genes resulting in
50% recombination.
D
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Which metabolic pathway is common to both cellular respiration and fermentation?
A) the oxidation of pyruvate to acetyl CoA B) the citric acid cycle C) oxidative phosphorylation D) glycolysis E) chemiosmosis
_______ are complex carbon ring structures that
often have an iron atom at their center. a. Hemes b. Globins c. Globulins d. Sugars e. Alkenes
Sam was in a terrible head-on collision. When he recovered from all of the obvious, external injuries, the once affable and happy-go-lucky person had become surly and very unfriendly. Which part of his cerebrum was most likely damaged?
A) prefrontal cortex B) Broca's area C) thalamus D) postcentral gyrus
Answer the following questions true (T) or false (F)
1. Passive immunotherapy does not result in immunological memory. 2. For some bacterial diseases such as tetanus, it is more effective to produce an immune response against the bacterial toxin than against the bacteria. 3. Because attenuated live vaccines contain viruses that are less virulent, many booster vaccines must be given to produce an effective immune response.