true or false? mRNA can be made from particular introns that have been removed from pre-mRNA.
a. true
b. false
a. true
Anatomy & Physiology
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The plasma membrane of a neuron is more permeable to K+ because
A. of its positive electrical charge. B. Ca2+ block Na+ and Cl? channels. C. there are more leak ion channels for Na+ than K+. D. there are more leak ion channels for K+ than Na+. E. protein molecules cannot exit through the plasma membrane.
Anatomy & Physiology
Name the structure labeled G
a) Parietal cell b) Gastric glands c) Gastric pit d) Chief cell e) Simple columnar epithelium
Anatomy & Physiology
Excess dietary proteins may become all of the following EXCEPT:
A) glucose. B) fatty acids. C) glycerol. D) glycogen.
Anatomy & Physiology
Subcutaneous fat (the fatty layer just beneath the skin) is also known as
A. fibrous tissue. B. the lamina propria. C. adipose tissue. D. mesenchyme. E. reticular tissue.
Anatomy & Physiology