In DNA, an adenine base will form two hydrogen bonds with ____.

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


a thymine base

Anatomy & Physiology

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If all of the calcium within a muscle fiber was removed, which of the following could still occur?

The heads of the myosin myofilaments bind to G-actin to form cross-bridges. An action potential that was produced at the neuromuscular junction is propagated along the sarcolemma. The troponin molecules bound to G actin molecules are released, causing tropomyosin to move. The heads of the myosin molecules return to their resting position and the recovery stroke occurs.

Anatomy & Physiology

Predict the effect of increasing a membrane's permeability to K+ on membrane potential.

What will be an ideal response?

Anatomy & Physiology

Olfactory glomeruli are located in the

A.  thalamus. B.  olfactory epithelium. C.  olfactory bulbs. D.  hypothalamus.

Anatomy & Physiology

A primary oocyte is arrested in

A. prophase I. B. metaphase I. C. prophase II. D. metaphase II. E. anaphase I.

Anatomy & Physiology