Can be used by some pathogens to adhere to host tissue
What will be an ideal response?
capsules
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Long terminal repeats (LTRs) are:
A. a class of transposable elements that replicate and transpose via DNA replication and repair. B. a class of transposable elements that uses RNA as an intermediate. C. a class of transposable elements that uses DNA as an intermediate. D. a class of transposable elements that uses protein as an intermediate. E. a class of transposable elements that uses ribosomes as an intermediate.
An injection of ACTH would cause an increase in the release of which of the following hormones?
A) thyroxin B) glucocorticoids C) growth hormone D) antidiuretic hormone
Cytochromes contain a heme group similar to that in hemoglobin. The iron atom (Fe) in the center of the group can be oxidized and reduced. If someone was suffering from iron deficiency anemia, what stage of cellular respiration would be most affected?
A. Glycolysis B. The electron transport chain C. Fermentation D. The Citric acid cycle
The following steps occur during biosynthesis of a + strand RNA virus. What is the third step?
A) attachment B) penetration and uncoating C) synthesis of - strand RNA D) synthesis of + strand RNA E) synthesis of viral proteins