Nutrients and antibodies move across the placenta

from mother to embryo or fetus, as do __________,
which can cause birth defects. Fill in the blank(s) with the appropriate word(s).


Answer: teratogens

Biology & Microbiology

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As a physician listens to the heart of a human patient, he hears an atypical "lub" sound. Which part of the heart might be malfunctioning?

A. the AV valve B. the semiliunar valves C. the right atrium D. the right ventricle

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Which autoimmune disease is incorrectly matched with the tissue it affects?

a. lupus ? blood b. type I diabetes ? pancreas c. multiple sclerosis ? nerves d. lupus – pancreas e. lupus – anemia

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What percentage of people in this population have short fingers and toes?

A) 0% B) 16% C) 36% D) 64% E) 84%

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The smallest functional unit of life is known as a(n) ________

Fill in the blank(s) with correct word

Biology & Microbiology