________ 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

Anatomy & Physiology

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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

Anatomy & Physiology

Lipogenesis of steroids and almost all fatty acids begins with


A) glucose.
B) amino acids.
C) fatty acids.
D) acetyl CoA.
E) succinyl CoA.

Anatomy & Physiology

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

Anatomy & Physiology

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.

Anatomy & Physiology