Which group of Agnathan does not possess any sign of rudimentary vertebrae or vertebral column?
1.Conodonts
2.Hagfishes
3.Lampreys
4.Ostracoderms
2
Biology & Microbiology
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A series of enzymatic steps that fixes carbon dioxide into carbohydrate is called the ________.
A. Pentose phosphate pathway B. Entner-Doudoroff pathway C. Calvin-Benson cycle D. Embden-Meyerhoff pathway
Biology & Microbiology
Smooth muscle in the arteriole walls can vasoconstrict or vasodilate, which:a
helps to regulate blood pressure. b. helps to accelerate the flow of blood through the vessels. c. prevents the back flow of blood into the tissues. d. squeezes oxygen out of the blood. e. adds strength to the blood vessels.
Biology & Microbiology
Postexposure prophylaxis is available for all of the following diseases, EXCEPT:
A) HIV. B) hepatitis C. C) syphilis. D) gonorrhea.
Biology & Microbiology
Hazardous waste
What will be an ideal response?
Biology & Microbiology