The X chromosome and not the Y chromosome codes for cellular products essential for sperm development
Indicate whether the statement is true or false
TRUE
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Formation of the neural tube
A. begins at the anterior (head) end and proceeds toward the posterior (tail). B. begins at the posterior and proceeds toward the anterior. C. is caused by compaction of the neural plate. D. begins in the middle and proceeds toward the head and the tail. E. is random in that it can begin and proceed at any location along the neural plate.
Matching
A) D B) B C) A D) C E) E 1) Axillary node(s). 2) Cisterna chyli. 3) Entrance of thoracic duct into subclavian vein. 4) Thoracic duct. 5) Collecting lymphatic vessels.
Which type of RNA has three nitrogen bases at one end that are known collectively as an anticodon?
a. ribosomal b. messenger c. lysosomal d. transfer
At the arteriolar end of the capillary, which pressure is the greatest?
A) oncotic pressure B) colloid osmotic pressure C) capillary hydrostatic pressure D) interstitial fluid osmotic pressure