________ is composed of multiple globular molecules polymerized to form long chains or filaments.
A) Troponin
B) Actin
C) Myosin
D) Tropomyosin
E) Titin
B) Actin
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The olfactory foramina are found in which of the following bones?
A) ethmoid B) sphenoid C) temporal D) nasal E) zygomatic
Lipogenesis of steroids and almost all fatty acids begins with
A) glucose.
B) amino acids.
C) fatty acids.
D) acetyl CoA.
E) succinyl CoA.
At the end of meiosis I there are ________, whereas at the end of meiosis II there is/are ________
A) two diploid cells; four haploid cells B) two diploid cells; one diploid cell C) two diploid cells; one haploid cell D) two haploid cells; one diploid cell E) two haploid cells; four haploid cells
Hemoglobin
a. is found in the nuclei of red blood cells. b. contains carbonic anhydrase. c. can combine with O2, CO2, H+, NO, and CO. d. both (a) and (b) above.. e. all of these answers.