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NLN PAX Practice Tests Questions and Answers Graded A.

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NLN PAX Practice Tests Questions and Answers Graded A An organism with chloroplasts in its cells is probably.... a- a heterotroph b- an autotroph c- a herbivore d- a primary consumer (S1, p218-... 228) ✔✔b- an autotroph organisms that have chloroplasts in their cells carry on photosynthesis and are therefore autotrophs - autotrophs make their own food (Q1) What property of water allows someone to fill a glass slightly above the rim with out the water flowing over? a- specific gravity b- capillarity c- opacity d- surface tension (S1, p218-228) ✔✔d- surface tension (Q2) The spaces b/w neurons are called..... a- synapses b- dendrites c- inter-neurons d- cell gaps(S1, p218-228) ✔✔a- synapses (Q3) As light passes obliquely from air to water, it is bent. This bending is called..... a- diffraction b- reflection c- refraction d- dispersion (S1, p218-228) ✔✔c- refraction (Q7) Which of the following organelles is NOT involved in protein synthesis? a- ribosome b- mitochondrion c- rough ER d- nucleus (S1, p218-228) ✔✔d- nucleus (Q8) NOTE: - the nucleus contains DNA - the ribosomes, located on the rough er, are the site for protein synthesis - the mitochondrion are the sites of cellular respiration Which group of organisms helps prevent the accumulation of organic wastes in nature? a- rabbits b- mosses c- bacteriad- ferns (S1, p218-228) ✔✔c- bacteria (Q15) Bacteria comprise the decomposer portion of the food chain. They are responsible for recycling organic material into inorganic material that plants can use to undergo photosynthesis As the eardrum is made to vibrate more rapidly, the sound is perceived as..... a- louder in intensity b- softer in intensity c- higher in pitch d- lower in pitch (S1, p218-228) ✔✔c- higher in pitch (Q16) the more rapid the vibration is, the higher the pitch is A human egg will develop into a female if it is fertilized by a sperm containing..... a- an x chromosome b- a y chromosome c- an xy chromosome d- an xxy chromosome (S1, p218-228) ✔✔a- an x chromosome (Q20) [Show More]

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