Which of the following is correct regarding a prophage?
A. It is used by virulent phages
B. It is used in the lytic cycle of viral replication
C. It does not directly enter into the cell being infected
D. It is copied along with the bacterial chromosome during replication
D
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Answer the following statements true (T) or false (F)
1. During truncation selection, the realized heritability of a trait depends on the selection differential, which is the difference between the average trait value of the selected parents and the average trait value of the entire parental population. 2. To test for statistical significance of the association of a SNP with a trait, the null hypothesis in a chi-square test for independence is that the one of the SNP alleles is more common in the Cases than in the Controls. 3. The fish population is in Hardy-Weinberg equilibrium before the asteroid hit.
Describe the method devised by Arthur Kornberg which first successfully achieved DNA synthesis in vitro, including its components and their uses
What will be an ideal response?
Descriptions of new species of insects are more likely to contain diagrams of the shape of the male genitalia than head, wing, or leg parts. Why?
A. Arthropods have hard exoskeletons so head, wing, and leg structures can't vary as much. B. This is the convention or custom of entomology. C. Radiation damage to genes usually occurs in genitalia. D. Small changes in the genitalia cause reproductive isolation while a single species can tolerate wider variation in head, wing, and leg morphology. E. This is where mutations usually express themselves in animals.
Answer the following statement(s) true (T) or false (F)
1. the forces that muscles generate can stabilize or destabilize joints 2. The rotaty component of a force tends to produce torque 3. power is the product of force and velocity 4. if a 30 year old, sedentary man begins a weight lifting program, he will likely experience hypertrophy 5. bodybuilders use the short rest and high intensity training to build up the size of the muscle at the expense of losing some strength gains achieved with a longer rest period