Which type of phage always lyses its host cell?

A. Virulent
B. Lysogenic
C. Prophage
D. Temperate


Answer: A

Biology & Microbiology

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When a species produces gametes of different sizes (select all correct choices):

A. the smaller are designated as male and are called sperm, or spermatozoa. B. the larger are designated as female and are called eggs, or ova. C. the smaller are designated as female and are called eggs, or ova. D. the larger are designated as male and are called sperm, or spermatozoa. E. None of these choices are correct.

Biology & Microbiology

Which sequence most accurately describes the

complete path of blood through the circulatory system of a fish? a. atrium >>> ventricle >>> gill capillaries >>> atrium >>> ventricle >>> all other capillaries b. atrium >>> ventricle >>> gill capillaries c. gill capillaries >>> atrium >>> ventricle >>> all other capillaries d. gill capillaries >>> all other capillaries >>> atrium >>> ventricle e. none of these

Biology & Microbiology

Match the skeletal muscle protein on the left with its function on the right

A) binds along the length of thin filaments to regulate myosin head association B) links thick filaments to Z line C) stabilizes thin filaments D) major component of thin filaments E) bundles parallel arrays of actin filaments at Z line F) major component of thick filaments G) M line myosin filament-binding protein H) mediates Ca2+ regulation of contraction I) major protein of sarcoplasmic reticulum J) attaches actin filaments to Z line 1) actin 2) myosin 3) tropomyosin 4) troponin 5) titin 6) nebulin 7) myomesin 8) ?-actinin 9) Ca2+-ATPase 10) CapZ

Biology & Microbiology

Which bone(s) form(s) a connection between the scapula and the sternum to support the pectoral girdle?

A) vertebrae B) ribs C) humerus D) clavicles

Biology & Microbiology