Which autosomal dominant condition results in defective connective tissue production affecting blood vessels like the
aorta?
a. cystic fibrosis
b. PKU
c. Tay-Sachs disease
d. Marfan syndrome
e. achondroplasia
ANSWER: d
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Identify the role of carbon dioxide in photosynthesis.
A. It is split to release electrons. B. It is split to become incorporated into sugars. C. It is a by-product of the Calvin cyle D. It is the final electron acceptor.
In terms of the number of species, the most successful class of arthropods is
A. Hexapoda. B. Chelicerata. C. Crustacea. D. Chilopoda. E. Myriapoda.
Which protist is a concern because of its ability to contaminate water supplies and cause diarrheal illness?
A) Plasmodium vivax B) Toxoplasma gondii C) Giardia lamblia D) Trichomonas vaginalis
Cold receptors are free nerve endings while Merkel disks are the receptors for warmth.
Answer the following statement true (T) or false (F)