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#7 Biology/Mrs. McClain 35 Questions
EOCT Review #7 Biology/Mrs. McClain 35 Questions
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In which structure would you find a nucleus?
1 In which structure would you find a nucleus? a. Bacteria cell b. Plant cell c. Prokaryote d. Virus
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2 What type of mutation results when a nucleotide is lost during DNA replication? a. Substitution b. Insertion c. Inversion d. Deletion
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3 Which class of macromolecules store and communicate genetic information? a. Carbohydrate b. Nucleic Acids c. Lipids d. Proteins
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What is this called? 4 a. Fertilization b. Crossing over
c. Segregation d. Mitosis
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5 a. Arginine-glycine-serine b. Serine-arginine-arginine
The table shows several DNA codons and their corresponding amino acids. If a sequence of DNA reads AGT GGG TCT, for what sequence of amino acids does it code? DNA codon Amino acid AGA Arginine AGC Serine AGT GGA Glycine GGC GGG TTG Leucine TCG TCT a. Arginine-glycine-serine b. Serine-arginine-arginine c. Serine-arginine-glycine d. Serine-glycine-serine
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What is the capsid of a virus?
6 What is the capsid of a virus? a. The disease it causes b. The receptors to which it binds c. The genetic material d. The protein coat
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7 a. Genetic engineering b. Replication c. Transcription
Biotechnology is the use of organisms or their products to improve human health and food production. Sometimes scientist change the DNA of an organism by inserting a gene from another organism. What is this process called? a. Genetic engineering b. Replication c. Transcription d. Selective breeding
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8 Amoxicillin is an antibiotic used to treat ear infections. What is the MOST likely reason why some bacteria have become resistant to the drug? a. They have learned to survive in its presence b. They are able either to avoid or to metabolize it c. Those few individuals that were resistant survived and became more common in the population d. The manufactures of the drug have made it less potent over time
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9 We did a LAB on this! Which of the following factors is MOST likely to affect the function of an enzyme? Catalysts Size of the beaker Proteins Temperature
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A scientist who is studying oak trees would be a:
10 A scientist who is studying oak trees would be a: a. Zoologist b. Botanist c. Ecologist d. Entomologist
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11 Which of the following is a symbiotic relationship where both organism benefit? a. Mutualism b. Commensalism c. Altruism d. Competition
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a. TGA GTC GTA b. AUG CUG AGU c. UGA GUC GUA d. ATG CTG AGT 12
An RNA molecule was synthesized to form complementary base pairs with a DNA molecule. The sequence of the DNA was TACGACTCA. The RNA sequence should be: a. TGA GTC GTA b. AUG CUG AGU c. UGA GUC GUA d. ATG CTG AGT
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Which of the following biomes has the MOST biodiversity?
13 Which of the following biomes has the MOST biodiversity? Tropical rainforest Desert Tundra Estuary
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Which of the following kingdoms contains only single-celled organisms?
14 Which of the following kingdoms contains only single-celled organisms? a. Eubacteria & Protista b. Eubateria & Archaebacteria c. Archaebacteria & Protista d. Protista & Fungi
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Which of the following are NOT in Kingdom Protista?
15 Which of the following are NOT in Kingdom Protista? Amoeba Paramecium Euglena Yeast
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Which group of macromolecules includes enzymes?
16 Which group of macromolecules includes enzymes? a. lipids b. carbohydrates c. Nucleic acids d. proteins
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Half Way There!
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17 Human activities that increase carbon dioxide in the atmosphere are likely to cause which of the following environmental changes? a. Decreased plant growth b. Tsunamis c. An ice age d. Global warming
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To what kingdom do mushrooms belong?
18 To what kingdom do mushrooms belong? a. Eubacteria b. Protista c. Fungi d. Plantae
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19 Which of the following statements BEST describes a function of an enzyme? Enzymes are specialized proteins that serve as catalysts. Enzymes are carbohydrate-based molecules found in all cells. The structure enzymes is changed during a chemical reaction. All enzymes work on all substances.
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20 a. Carbohydrate b. Protein c. Lipid d. Nucleic Acid
The diagrams below shows two amino acids. What would biochemists call the result of chaining many of these molecules together? a. Carbohydrate b. Protein c. Lipid d. Nucleic Acid
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21 Which trophic level provides nourishment for the most organisms in the biome? a. First-order consumers b. Second-order consumers c. Producers d. Decomposers
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22 Which of the following pairs of animals are most likely to have a predator/prey relationship? a. Dog and tapeworm b. Spider and fly c. Buffalo and tickbird d. Whale and barnacle
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Which of the following is an example of evolution?
23 Which of the following is an example of evolution? a. Erosion of soil by wind b. A lake drying up in during a drought c. Hummingbird beaks that allow for sucking nectar from flowers d. A canyon deepening from river flow
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24 Which of the following feet belongs to the bird BEST adapted to survive in an environment in which they need to swim to find food? a c. b d.
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25 Glucose is formed by plants when they carry out photosynthesis. Glucose is an example of a Protein Carbohydrate Lipid Nucleic Acid
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26 Sharks and penguins both use fins to swim, but their fins developed differently. What type of structures are these? a. Analogous structures b. Homologous structures c. Fossilized structures d. Biochemical structures
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What is the best definition of an ecosystem?
27 What is the best definition of an ecosystem? a. Living things in a given area b. Nonliving things in a given area c. Plants and animals only d. All the living and nonliving things in a given area
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What is a primary cause of eutrophication in aquatic ecosystems?
28 What is a primary cause of eutrophication in aquatic ecosystems? a. Nutrient-rich run-off b. Increased biodiversity c. High oxygen levels d. Loss of algae in the food web
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29 Which of the following chemical reactions produces the initial food required for all life on Earth? a. O2 + H2O + sunlight C6H12O6 + CO2 b. O2 + C6H12O6 CO2 + H2O c. CO2 + ATP C6H12O6 + O2 d. None above
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Which of the following is an abiotic factor in an ecosystem?
30 Which of the following is an abiotic factor in an ecosystem? a. Predator b. Earthquake c. Disease d. Competition
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What is the name of this organelle?
31 What is the name of this organelle? a. Chloroplast b. Endoplasmic Reticulum c. Nucleus d. Vacuole
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32 Which of the following is an advantage of sexual reproduction over asexual reproduction? It does not require specialized sex cells It requires less energy It leads to greater genetic diversity in a population It requires only one parent
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33 Based on the summary equation for photosynthesis shown below, which of the following are a product of the reaction? CO2 + H2O C6H12O6 + O2 a. H2O b. C6H12O6 c. light d. CO2
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34 Pea Plants can either be tall or short. In this cross, what will be the genotypic percentages? T T a. 100% Tt b. 50% TT and 50% tt c. 100% tall d. 50% tall and 50% short t T = Tall t = Short
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How do enzymes speed up chemical reactions?
35 How do enzymes speed up chemical reactions? By raising the activation energy By lowering the activation energy By becoming part of the reaction By releasing proteins
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The End
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