Which of the following is usually the female gametophyte in flowering plants?
a. a single ovary
b. the complete pistil
c. the shoot parts bearing female flowers
d. the seven cells embedded in floral tissues
Ans: d. the seven cells embedded in floral tissues
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Brucellosis is
A. diagnosed with serological testing of the patient's blood. B. an occupational illness of people who work with animals. C. seen in patients as a fluctuating fever, with headache, muscle pain, and weakness. D. treated with a 3-6 week course of antibiotics. E. All of the choices are correct.
Some of the "dead stuff in our food" makes it into our food chain through the activity of decomposers such as fungi. Fungi are
a. photoautotrophs b. photoheterotrophs c. chemoautotrophs d. chemoheterotrophs
Mycorrhizae are especially effective in helping plant roots uptake
A. phosphorus. B. potassium. C. iron. D. magnesium. E. nitrogen.
Duchenne muscular dystrophy is a recessive disorder resulting in a wasting away of the muscles. How would you design a study to determine if the disorder is X-linked or autosomal? How would you be able to determine if it is X-linked or autosomal?
What will be an ideal response?