The exchange of genetic material between non-sister chromatids that may result in new gene combinations on the chromosomes is called _________________
A. crossing over
B. synapsis
C. duplication
D. random assortment
E. reduction division
A
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Which type of epithelium would be best for providing protection against abrasion?
A. Pseudostratified columnar epithelium B. Transitional epithelium C. Stratified squamous epithelium D. Simple cuboidal epithelium
The epithalamus controls day and night cycles through the secretion of the hormone
A) acetylcholine. B) melatonin. C) thyroid hormone. D) DHEA. E) oxytocin.
On axial CT images, the falciform ligament separates the caudate lobe of the liver from the left lobe.
Answer the following statement true (T) or false (F)
Which of the following is not a function of the skeletal system?
A) body support B) calcium homeostasis C) protection of internal organs D) blood cell production E) temperature regulation