An aneurysm is a weakening of the walls of a blood vessel. Which of the following blood vessels would be most likely to break open if an aneurysm is present?
A) capillary
B) lymph duct
C) artery
D) venule
C
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Why are skeletal muscles striated?
a. because of the repeating bands of troponin and tropomyosin b. because of the repeating bands of actin and tropomyosin c. because of the repeating bands of actin and myosin d. because of the repeating bands of troponin and myosin
Complex phenotypes that are shaped by more than one gene as well as by some aspect of an individual’s environment represent a(n)
1.multifactorial trait. 2.polygenic trait. 3.codominant trait. 4.autosomal trait. 5.recessive trait.
Which of the following is NOT a product of photosynthesis
a) water b) oxygen c) sugars d) carbon dioxide e) none of the above; all are products of photosynthesis
Which one of the following terms applies to the phylum Cnidaria?
A. Pseudocoelomate B. Radial symmetry C. Triploblastic D. Parazoa E. Protostome