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Question: spring 2019 whlenry cen select the best choice to answer...

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Spring 2019 wHlenry Cen Select the best choice to answer question 1-20 and please cover your answers whenever possible. Note: Please complete both sides of this sheet 2. Mitochondria are found in a. b. c. d. e. plant cells only animal cells only both plant cells and animal cells neither plant cells nor animal cells animal cells and bacterial cells but not in plant cells 8. Which choice is NOT associated with RNA? a. a sugar b. thymine c uraeil 3. A certain cell has mitochondria, ribosomes, smooth and rough endoplasmic reticulum, and other parts. Based on this information, it could NOT be 9. Much of genetic engineering uses plasmids, which a. infectious proteins b. small circlets of DNA found in bacteria c. segments of RNA that must be attached to a. a cell from a pine tree b. a grasshopper cell c. a yeast (fiangus) cell d. a bacterium or other prokaryote e. actually, it could be any of the above DNA before the DNA ean replicate d. ends of cut DNA molecules that are sticky because they have unpaired base sequences 4. The fanction of cellular respiration is to 10. According to the biological species concept, what a. reduce CO2 b. extract CO2 from the atmosphere c. extract usable energy from glucose d - synthesize macromolecules from e. produce carbohydrates is a species? a popalation that interbrceds and prodaces fertile offspring population that is physically able to -mate even if there are no offspring or the offspring is infertile a population with a distinct fossil record a clone of genetically identical organisms a cluster of organisms that have a lineage of descent a. b. a 5. What is the function of meiosis? c. d. e. to make exact copies of the parent cell to make one cell with twice the number of chromosomes as the parent pairs to make four cells with the same chromosome number as the parent to make cells with a haploid (half that of the parents) number of chromosomes none of the above a. b. c. 11. The earliest organisms were most likely d. b. prokaryotic c. neurotic d. multicellular e. Animals e. 6. Which one of the following lists the four bases contained in DNA? cytosine, guanine, thymine, uracil adenine, guanine, uracil, thymine guanine, pyroline, thymine, uracil adenine, guanine, purine, thymine adenine, guanine, cytosine, thymine 12. Which evolutionary plant innovation eliminated the a. b. c. d. e. need for fertilize an egg, resulting in plants being truly adapted for reproduction on land? sperm to swim through water in order to a. rhizoids b. fruit c. roots 7. Which one of the following accurately reflects doplhyte complimentary base pairing in the DNA molecule? e. pollen All of the following are primary functions of flowers except 13. c. cytosine-thymine d. uracil-thymine e. adenine cytosine a. pollen production. b. photosynthesis. c. sexual reproduction. d. egg production. e. meiosis.
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