What causes cGMP to convert to GMP and close Na+ channels in a photoreceptor?

A. Light
B. Darkness
C. Dark current
D. Opsin


Answer: A

Anatomy & Physiology

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When the ______________ contracts, it causes air pressure in the lungs to drop below atmospheric pressure, which draws air into the lung

Fill in the blank(s) with correct word

Anatomy & Physiology

Predict the possibility of an offspring with a widow's peak, a dominant inherited trait affecting the hairline, when both parents are heterozygous for the trait

A) 75% of the offspring will have a widow's peak. B) 100% of the offspring will have a widow's peak. C) 0% of the offspring will have a widow's peak. D) 25% of the offspring will have a widow's peak.

Anatomy & Physiology

Define antibodies

What will be an ideal response?

Anatomy & Physiology

One ascending pathway can carry ______ information.

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

Anatomy & Physiology