EOCT Review 7 BiologyMrs Mc Clain 35 Questions

EOCT Review #7 Biology/Mrs. Mc. Clain 35 Questions

1 In which structure would you find a nucleus? a. b. c. d. Bacteria cell Plant cell Prokaryote Virus

2 What type of mutation results when a nucleotide is lost during DNA replication? a. b. c. d. Substitution Insertion Inversion Deletion

3 Which class of macromolecules store and communicate genetic information? a. Carbohydrate b. Nucleic Acids c. Lipids d. Proteins

4 What is this called? a. b. c. d. Fertilization Crossing over Segregation Mitosis

5 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? a. b. c. d. Arginine-glycine-serine Serine-arginine-glycine Serine-glycine-serine DNA codon Amino acid AGA Arginine AGC Serine AGT Serine GGA Glycine GGC Glycine GGG Glycine TTG Leucine TCG Serine TCT Serine

6 What is the capsid of a virus? a. b. c. d. The disease it causes The receptors to which it binds The genetic material The protein coat

7 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. b. c. d. Genetic engineering Replication Transcription Selective breeding

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

9 We did a LAB on this! Which of the following factors is MOST likely to affect the function of an enzyme? a. Catalysts b. Size of the beaker c. Proteins d. Temperature

10 A scientist who is studying oak trees would be a: a. b. c. d. Zoologist Botanist Ecologist Entomologist

11 Which of the following is a symbiotic relationship where both organism benefit? a. b. c. d. Mutualism Commensalism Altruism Competition

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. b. c. d. TGA GTC GTA AUG CUG AGU UGA GUC GUA ATG CTG AGT

13 Which of the following biomes has the MOST biodiversity? a. Tropical rainforest b. Desert c. Tundra d. Estuary

14 Which of the following kingdoms contains only single-celled organisms? a. b. c. d. Eubacteria & Protista Eubateria & Archaebacteria & Protista & Fungi

15 Which of the following are NOT in Kingdom Protista? a. Amoeba b. Paramecium c. Euglena d. Yeast

16 Which group of macromolecules includes enzymes? a. b. c. d. lipids carbohydrates Nucleic acids proteins

Half Way There!

17 Human activities that increase carbon dioxide in the atmosphere are likely to cause which of the following environmental changes? a. b. c. d. Decreased plant growth Tsunamis An ice age Global warming

18 To what kingdom do mushrooms belong? a. b. c. d. Eubacteria Protista Fungi Plantae

19 Which of the following statements BEST describes a function of an enzyme? a. Enzymes are specialized proteins that serve as catalysts. b. Enzymes are carbohydrate-based molecules found in all cells. c. The structure enzymes is changed during a chemical reaction. d. All enzymes work on all substances.

20 The diagrams below shows two amino acids. What would biochemists call the result of chaining many of these molecules together? a. b. c. d. Carbohydrate Protein Lipid Nucleic Acid

21 Which trophic level provides nourishment for the most organisms in the biome? a. b. c. d. First-order consumers Second-order consumers Producers Decomposers

22 Which of the following pairs of animals are most likely to have a predator/prey relationship? a. b. c. d. Dog and tapeworm Spider and fly Buffalo and tickbird Whale and barnacle

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

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.

25 Glucose is formed by plants when they carry out photosynthesis. Glucose is an example of a a. Protein b. Carbohydrate c. Lipid d. Nucleic Acid

26 Sharks and penguins both use fins to swim, but their fins developed differently. What type of structures are these? a. b. c. d. Analogous structures Homologous structures Fossilized structures Biochemical structures

27 What is the best definition of an ecosystem? a. b. c. d. Living things in a given area Nonliving things in a given area Plants and animals only All the living and nonliving things in a given area

28 What is a primary cause of eutrophication in aquatic ecosystems? a. b. c. d. Nutrient-rich run-off Increased biodiversity High oxygen levels Loss of algae in the food web

29 Which of the following chemical reactions produces the initial food required for all life on Earth? a. b. c. d. O 2 + H 2 O + sunlight C 6 H 12 O 6 + CO 2 + C 6 H 12 O 6 CO 2 + H 2 O CO 2 + ATP C 6 H 12 O 6 + O 2 None above

30 Which of the following is an abiotic factor in an ecosystem? a. b. c. d. Predator Earthquake Disease Competition

31 What is the name of this organelle? a. b. c. d. Chloroplast Endoplasmic Reticulum Nucleus Vacuole

32 Which of the following is an advantage of sexual reproduction over asexual reproduction? a. It does not require specialized sex cells b. It requires less energy c. It leads to greater genetic diversity in a population d. It requires only one parent

33 Based on the summary equation for photosynthesis shown below, which of the following are a product of the reaction? CO 2 + H 2 O C 6 H 12 O 6 + O 2 a. H 2 O b. C 6 H 12 O 6 c. light d. CO 2

34 Pea Plants can either be tall or short. In this cross, what will be the genotypic percentages? a. b. c. d. 100% Tt 50% TT and 50% tt 100% tall 50% tall and 50% short T T t t T = Tall t = Short

35 How do enzymes speed up chemical reactions? a. By raising the activation energy b. By lowering the activation energy c. By becoming part of the reaction d. By releasing proteins

The End