The osculum of a sponge is entirely blocked by a fungal infection. Predict what will happen.
A. Water will be unable to enter the sponge.
B. Choanocytes will no longer be able to function.
C. Digestion will be prevented from occurring.
D. The flow of water out of the sponge will decrease.
D. The flow of water out of the sponge will decrease.
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The pigment responsible for the red-yellow coloration seen in leaves during the color change in autumn is
A. carotenoid. B. phytol. C. chlorophyll b. D. porphyrin. E. chlorophyll a.
__________ is a diagnostic tool that reveals missing
or extra chromosomes and some structural changes in an individual’s chromosomes. Fill in the blank(s) with the appropriate word(s).
Which of the following gas that can sterilize?
peracetic acid chlorine phenol ethylene oxide
A patient comes into your clinic exhibiting generic cancer symptoms. In order to help form a diagnosis, you ask about patient history and they tell you that they worked for years in an agricultural job, primarily in handling food for large bovine animals and then later working with insect pesticide treatment of grain fields. You decide to test for elevated levels of the environmental agent(s) ________ in their body and focus your cancer diagnosis on ________ based on the established associations of epigentic effects and cancer.
A. cadmium and arsenic; lung, breast and nasal cancer B. polycyclic aromatic hydrocarbons and benzene; lung, breast, stomach and skin cancer C. nickel and cadmium; stomach and skin cancer D. arsenic and endocrine disruptors; skin, bladder, liver and kidney cancer E. benzene; breast, prostate and thyroid cancer