UNIT 1 TEST REVIEW. QUESTION 1 Maria is interested in starting a sunflower farming business. She...
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![Page 1: UNIT 1 TEST REVIEW. QUESTION 1 Maria is interested in starting a sunflower farming business. She purchased all of the necessary materials and started.](https://reader035.fdocuments.us/reader035/viewer/2022062517/56649eb55503460f94bbd40d/html5/thumbnails/1.jpg)
UNIT 1 TEST REVIEW
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QUESTION 1
Maria is interested in starting a sunflower farming business. She purchased all of the necessary materials and started planting.. After 4 years, she noticed her sunflowers were not growing at the same rate. She needed to find out what was wrong.Which of the following would not be a reliable source for information on this topic?a. Use the internet to find out what Wikipedia recommendsb. Talk to an expert in the field of sunflower farmingc. Check the library for books about growing sunflowersd. Speak to a professor at a local university with expertise in
this subject
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QUESTION 2
After some research, Maria is lead to believe that the containers she used to plant her sunflower seeds might not be large enough to support growth beyond 4 years.Which of the following might be a possible hypothesis for an experiment to prove what she believes?a. If I poke holes in the soil my sunflowers will grow largerb. If I move my sunflowers to get more sunlight they will
grow largerc. If I add extra water they will grow largerd. If I plant my sunflowers in larger containers they will
grow larger
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QUESTION 3
Which of the following experiments would be the best way to prove or disprove Maria’s hypothesis?a. Plant some of her sunflowers in larger containers
and measure over a yearb. Plant all of her sunflowers in larger containers and
measure for a yearc. Get sunflower seeds and plant half in her usual
container and half in the new larger container and measure after 5 years
d. Plant only one of her plants to a larger container and measure for a year
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QUESTION 4
Maria measured the height of her sunflowers every 2 months for over a year. What were Maria’s independent and dependent variables?
a. I= sunlight ; D= number of plants being measuresb. I= sunlight; D= container sizec. I= container size; D= plant growthd. I= amount of research; D= amount of water
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QUESTION 5
What is the name of the bond that unites carbohydrates?a. Ester bondsb. Phosphodiester bondsc. Glycosidic Linkaged. Peptide bond
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QUESTION 6
Which molecule has a pentose sugar, phosphate group and nitrogenous base as a monomer as well as storing and transmitting genetic information?a. Lipidsb. Carbohydratesc. Nucleic Acidsd. Proteins
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QUESTION 7
Which molecule is the primary source of energy for living organisms?a. Carbohydratesb. Lipidsc. Proteinsd. Nucleic Acids
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QUESTION 8
Which biomolecule is a secondary source of energy and is used as long term energy storage?a. Nucleic acidsb. Carbohydratesc. Lipidsd. Proteins
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QUESTION 9
Looking at the graph above, at what pH is the enzyme most effective?a. 6.8b. 7.2c. 6.9d. 7.1
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QUESTION 10
A _____________ will be affected if the order a its monomers is changed.a. Proteinb. Mineralc. Starchd. Lipid
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QUESTION 11
Plants store their energy in the form of:a. Fatty acidsb. Glycogenc. Amino acidsd. Starch
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QUESTION 12
Which molecule is not correctly paired with their monomer?a. Carbohydrate – monosaccharideb. Lipid – disaccharidec. Nucleic acid – nucleotided. Protein – amino acid
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QUESTION 13
The wax that protects apples and gives it glossy appearance belongs to which organic molecule group?a. Proteinb. Lipidc. Carbohydrated. Nuclei acid
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QUESTION 14
What are the building blocks for lipids?a. Glycerol and fatty acidsb. Amino acidsc. Nucleotided. Triglycerides
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QUESTION 15
When starches are broken down, they are broken down into:a. Nucleotidesb. Monosaccharidec. Amino acidsd. Glycogen
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QUESTION 16
What kind of bond holds proteins together?a. Glycosidic linkageb. Phosphodiester bondsc. Peptide bondsd. Ester bonds
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QUESTION 17
Why is the shape of an enzyme important?a. Enzymes can be found in all living thingsb. Enzymes are specific to a substratec. Enzymes can work in all levels of pHd. Enzymes can work in all salinity levels
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QUESTION 18
What is the function of enzymes in regards to activation energy?a. Causes more hydrogen bonds to be formedb. Changes the pH of a solutionc. Increases the activation energyd. Decreases the activation energy
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QUESTION 19
Which molecule does the diagram represent?
a. Starch
b. Fatty acid
c. DNA
d. glycerol