Active sites on the actin become available for binding after
A) Actin binds to troponin.
B) Troponin binds to tropomyosin.
C) Calcium binds to troponin.
D) Calcium binds to tropomyosin.
E) Myosin binds to troponin.
C) Calcium binds to troponin.
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Which type of tissue lines the follicles of the thyroid glands?
A. Simple cuboidal epithelium B. Stratified cuboidal epithelium C. Glandular epithelium D. Simple squamous epithelium
Using the figure below, identify the labeled part.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________
________ begins with the attachment of the blastocyst to the endometrium and continues as the blastocyst invades maternal tissues. (Note: Be sure to capitalize the first letter of your answer).
Fill in the blank(s) with the appropriate word(s).
The vasa recta
A) surround the proximal and distal convoluted tubules of the nephron. B) are blood vessels that supply the renal cortex. C) are the blood vessels through which blood reaches each nephron. D) form the capillary network contained in the Bowman's capsule of the renal corpuscle. E) are long, straight capillaries that parallel the nephron loop deep into the renal medulla.