Which of the following is a floral reproductive organ that produces the female gametophyte; it consists of an ovary, stigma, and usually a style?
A. Stamen
B. Anther
C. Calyx
D. Corolla
E. Carpel
Answer: E
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What is the hormone that stimulates the bone marrow to produce more red blood cells, as in the case of a hemorrhage?
a. ANH b. TSH c. BSH d. erythropoietin e. renin
The genetic difference between familial retinoblastoma and sporadic retinoblastoma appears to be based on those with the familial form starting out being ________, whereas those with the sporadic form start out being ________
Fill in the blank(s) with correct word
Obligate intracellular, gram-negative bacteria best describes:
A. Streptococcus pyogenes. B. Helicobacter pylori. C. Rickettsia prowazekii. D. Mycoplasma pneumonia.
You cut your finger, and after putting pressure on the wound for several minutes, you notice that it is still bleeding profusely. What may be the problem?
A) Platelets are not functioning properly, or there are too few to be effective. B) Mast cells are not releasing their chemical messengers. C) There are too many antigens to allow clotting. D) Hemoglobin levels are too high to allow clotting.