If a male produces healthy gametes but his female partner can neither produce gametes nor carry a fetus, a(n) ____________________ surrogate can be used to help them achieve successful reproduction

Fill in the blank(s) with correct word


egg donor

Biology & Microbiology

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During gel electrophoresis, DNA fragments are separated by size

a. True b. False Indicate whether the statement is true or false

Biology & Microbiology

Standing still and at attention for long periods can result in inadequate venous return. The effects of this can be seen when even young and healthy soldiers sometimes faint when standing at attention for long periods. Which of the following is NOT occurring to promote return of blood from the venous system in this situation?

A. sympathetic activation of smooth muscle in large veins B. skeletal muscle activity compressing veins and forcing blood flow C. one way flow in the venous system due to valves D. ventricular contraction

Biology & Microbiology

A 2013 investigation found “worrisome” amounts of ____ in 97% of the chicken meat in stores across the United

States.

a. bacteria b. antibiotics c. viruses d. vancomycin e. DNA

Biology & Microbiology

What are the primary inspiratory muscles?

A) diaphragm and internal intercostals B) external and internal intercostals C) diaphragm and external intercostals D) diaphragm and the external and internal intercostals E) diaphragm and abdominal muscles

Biology & Microbiology