On an annual basis, the greatest flow of carbon between nonbiological reservoirs takes place between:
a. the atmosphere and Earth's rocks
b. the ocean and Earth's rocks
c. the ocean and the atmosphere
d. plants and Earth's rocks
e. aquatic organisms and the atmosphere
c
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Increased use of MRI technology has resulted in a surprising medical dilemma. Scans used for early detection of tumors often reveal benign internal growths that would otherwise have gone undetected, called incidentalomas. This creates the problem of determining whether the growths are harmful without performing needless surgeries. Assume that you have found a pituitary incidentaloma in one of your patients. What blood tests could you perform to determine whether it is causing dysfunction? (Check all that apply.)
_____ adrenococrticotropic hormone (ACTH) _____ luteinizing hormone (LH) _____ antidiuretic hormone (ADH) _____ melanocyte-stimulating hormone (MSH) _____ calcitonin _____ melatonin _____ follicle stimulating hormone (FSH) _____ oxytocin _____ glucagon _____ prolactin (PRL) _____ growth hormone (GH) _____ thyroid-stimulating hormone (TSH) _____ insulin _____ thyroxine
If an injection to the mouse contains live R strain and heat-killed S strain Streptococcus pneumonia, ____
a. the mouse will live b. the mouse will became fatally ill and live S strain bacteria will be detected in its blood c. the mouse's blood will contain live pathogenic R strain bacteria d. the dead S strain bacteria will transform to live R strain bacteria e. DNA from the live R strain bacteria will revive the dead S strain bacteria
Just deep to periosteum, but superficial to endosteum, these layers of lamellae extend around entire surface of diaphysis. Help long bone to resist twisting.
What will be an ideal response?
Which carbohydrate-digesting enzyme works in the small intestine?
a. bicarbonate b. bile c. salivary amylase d. pepsin e. pancreatic amylase