NLN PAX SCIENCE QUESTIONS AND ANSWERS LATEST 2022 RATED A

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NLN PAX SCIENCE QUESTIONS AND ANSWERS LATEST 2022 RATED A autotrophs ✔✔organisms that produce their own food from inorganic substances (plants) heterotrophs ✔✔obtain their food from consumi... ng other plants and animals primary consumers ✔✔omnivores and herbivores secondary consumers ✔✔carnivores tertiary consumers ✔✔carnivores that eat other carnivores decomposers ✔✔bacteria and fungi biotic ✔✔living parts of the ecosystem abiotic ✔✔nonliving influences (temperature, humidity, soil) photosynthesis ✔✔carbon dioxide + water + light energy -> carbohydrates + oxygen angiosperms ✔✔responsible for reproduction structure of a flower ✔✔ segregation ✔✔codominance ✔✔when traits do not show a pattern of dominance and there are a mixture of two traits how many chromosomes do humans have? ✔✔46 chromosomes what are nucleotides composed of? ✔✔phosphate, deoxyribose, and a nitrogenous base How does RNA differ from DNA? ✔✔it is single stranded, has the sugar ribose in place of deoxyribose, and replaces thymine with uracil what are the common stains used on specimens? ✔✔lugol's solution, methylene blue, and wright's stain independent variable (x- axis) ✔✔changed by the experimenter what enzyme is found in saliva? ✔✔amylase amylase ✔✔breaks down starch into smaller carbohydrate molecules what is gastric juice made up of? ✔✔hydrochloric acid and proteases what is the pH of the stomach? ✔✔2 where does most digestion and absorption of nutrients occur in the body? ✔✔small int [Show More]

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