Characterize red blood cells
What will be an ideal response?
Red blood cells compose 99% of the packed cell volume of blood, each cell carries hemoglobin that binds to oxygen, lacks a nucleus, and is shaped like a biconcave disc.
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A male produced from an unfertilized haploid egg is an example of what type of sex determination system?
A. X-Y B. Z-W C. X-O D. Haplo-diploid E. None of the answers are correct
Plant surfaces are covered and protected by
a. ground tissue. b. protoderm. c. vascular tissue. d. meristem. e. dermal tissue.
In a human female, an inhibition of LH would also inhibit which of the following?
a. maturation of follicles b. secretion of FSH c. secretion of GnRH d. secretion of estrogen e. destruction of follicles
If nautiloids only inhabit the last chamber, what are the other chambers used for?
a. Egg storage b. Food storage c. Maintaining hypertonic seawater d. Maintaining buoyancy with gases