Substrates are held in the active site by _______.

A) hydrogen bonds
B) ionic bonds
C) hydrogen and covalent bonds
D) covalent bonds
E) hydrogen and ionic bonds


C) hydrogen and covalent bonds

Anatomy & Physiology

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In the flat skull bones, the middle spongy layer of bone sandwiched between two layers of compact bone is called the __________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

How could you best improve the contrast of this specimen?

A. Rotate the nosepiece to a higher objective. B. Rotate the fine adjustment knob. C. Rotate the condenser knob. D. Open or close the iris diaphragm.

Anatomy & Physiology

If a muscle joins a bone without any visible tendon, it is said to have a/an ________ attachment.

A. aponeurosis B. retinaculum C. direct D. hidden E. indirect

Anatomy & Physiology

What is the most widely distributed sweat gland in the body?

A. Ceruminous B. Sebaceous C. Eccrine D. Apocrine E. Sweat

Anatomy & Physiology