This hormone causes the uterus to contract and the breasts to release milk.
A. androgens
B. oxytocin
C. estrogen
D. follicle-stimulating hormone
B. oxytocin
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Pneumocystis (carinii) jiroveci
A. causes serious infection in the elderly, premature infants, and AIDS patients. B. is an obligate parasite. C. is a bacterium. D. lacks ergosterol in its plasma membrane.
One way that antibiotic-resistant strains of bacteria arise is that patients do not follow the instructions for taking the drug. In a typical scenario, a drug may be prescribed for a week, but the patient may stop taking it after 2 to 3 days if they start to feel better. Then when the infection flares up again, they take the rest of their dose. Why would this scenario lead to drug resistance?
A. The first round of treatment gives the bacteria a chance to learn how to metabolize the drug. B. A patient begins to develop resistance to the drug. C. The body clears the drug faster, once it is exposed a second time. D. The first round of treatment does not kill the most resistant bacteria, which then increase in number. E. The first round of treatment suppresses the immune system, making the patient more susceptible to other infections.
In a certain plant, when individuals with blue flowers
are crossed with individuals with blue flowers, only blue flowers are produced. Plants with red flowers crossed with plants with red flowers sometimes produce only red flowers, although other times they produce either red or blue flowers. When plants with red flowers are crossed with plants with blue flowers, sometimes only red flowers are produced; other times either red or blue flowers are produced. Which gene is dominant? What will be an ideal response?
The inheritance of a trait that is determined by many genes acting together, such as eye color, is called ________ inheritance
Fill in the blank(s) with correct word