Some proteins, like hemoglobin or antibody molecules, require multiple polypeptide chains to come together to act as a single protein. If the association among the different polypeptide chains is blocked, the ________ structure of the protein is destroyed.

A) primary
B) secondary
C) tertiary
D) quaternary
E) binary


D) quaternary

Anatomy & Physiology

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Inhibin is produced by the Sertoli cells and selectively inhibits the secretion of FSH from the anterior pituitary gland

Indicate whether the statement is true or false

Anatomy & Physiology

Which of the following structures is likely to consist of dense irregular collagenous connective tissue?

A. Dermis of the skin B. Bone C. Elastic ligaments D. Tendons E. Cartilage

Anatomy & Physiology

Neurons that are rare, small, and lack features that distinguish dendrites from axons are called

A) anaxonic. B) unipolar. C) bipolar. D) tripolar. E) multipolar.

Anatomy & Physiology

The nucleotide triplet in tRNA that base-pairs with a complementary triplet in mRNA is called the codon

Indicate whether the statement is true or false.

Anatomy & Physiology