EOCT Review 2 35 Questions 1 Neither enzyme

EOCT Review #2 35 Questions

1 Neither enzyme functions at all at a p. H of a. b. c. d. 2 5 8 13

2 DNA transcription takes place in the cell’s: a. Nucleus b. Mitochondria c. Ribosomes d. Chloroplast

3 Which number in the diagram below indicates a structure that directly controls the movement of substances into and out of a cell? a. 3 b. 5 c. 8 d. 1

4 Which process depends on the sun’s energy to produce glucose? a. Photosynthesis b. Diffusion c. Active Transport d. Osmosis

5 A protein molecule is shown in the diagram below. Which statement best describes the main function of this type of molecule? a. b. c. d. It acts as an enzyme in biological reactions It stores energy for metabolic processes It determines what traits may be inherited It helps transport materials across a cell membrane

6 What term is used to describe organisms that use photosynthesis to produce their own food? a. An omnivore b. A consumer c. A hetertroph d. A autotroph

7 Which of the following makes up a cell membrane’s bilayer? a. Phospholipids b. Nucleic Acids c. Carbohydrates d. Amino Acids

8 What is the function of an ATP molecule? a. Storage b. Storage c. Storage d. Storage of of fat energy glucose ADP

9 What type of cell is illustrated in the diagram below? a. Prokaryote b. Bacterial c. Plant d. Animal

10 Placing a plant cell in a hypotonic solution will cause the cell to a. b. c. d. Shrivel Divide Stay the same Swell

11 Which series best describes increasing levels of organization in nature? a. b. c. d. Population Communities Species Ecosystem Communities Population Communities Ecosystem Communities Species Population

12 Amino acids are the monomers that join together to form: a. Nucleic acids b. Proteins c. Carbohydrates d. Lipids

13 The organism below (mushroom) is what type of feeder? a. b. c. d. Heterotroph Autotroph Producer None of above

14 A breeder crossed a dog that was homozygous dominant for a particular trait with a dog that is homozygous recessive for the same trait. What percentage of the puppies produced will be homozygous recessive? a. 75% b. 25% c. 50% d. 0%

15 The complementary m. RNA sequence for the DNA sequence GAACCT is a. GAACCU b. CTTGGA c. CUUGGA d. GAACCT

16 Pepsin is an enzyme that works best in an environment that is a. b. c. d. Acidic Basic Neutral alkaline

17 An animal cell excretes a protein to outside its membrane by the formation of a vesicle. Which process is involved in this transport? a. Phagocytosis b. Exocytosis c. Endocytosis d. Passive transport

18 DNA (chromosome) replication occurs during a. b. c. d. Interphase Prophase Metaphase Anaphase

19 Lamark stated that organisms acquired their traits by: a. Inheriting the trait from their ancestors b. Using or not using their trait c. Wanting their trait d. Asking for their trait

20 A biome that has low precipitation, cold temperatures, and permafrost is the a. Tundra b. Desert c. Tropical Rainforest d. Temperate Forest

21 What organelle is represented by structure “F”? a. b. c. d. Mitochondria Chloroplast Nucleus Ribosome

22 All the diamond-back rattle snakes living in a desert make up a a. b. c. d. Community Population Biome Habitat

23 A niche is defined as the a. Physical location of an organism b. Members of the same species in a pond c. Role that an organism fills in its habitat d. Kind of food that an organism eats

24 Energy for this ecosystem originally comes from the a. Grass b. Fish c. Sun d. Water

25 Below show that, in their very early stages of development, the embryos of different vertebrates resemble each other. This similarity suggests that they a. b. c. d. Have identical DNA sequences Are adapted for life in the same place Probably have the same ancestor Can breed to produce fertile offspring

26 Which biotic factor is a characteristic of all ecosystems? a. b. c. d. Climatic changes Interactions among organisms Variations in soil Changes in air pressure

27 What is represented by structure “B” a. b. c. d. t. RNA m. RNA DNA None of the above

28 Which of these molecules is NOT organic? a. Water b. Lipid c. Carbohydrate d. Protein

29 The figure below illustrates what type of solution? a. b. c. d. Hypotonic Hypertonic Isotonic None of above

30 What is the structure labeled “A” on the paramecium C B a. b. c. d. Cilia Nucleus Mitochondria Contractile vacuole A

31 About how many deer can Walla-walla Island sustain for a long time? a. 100 b. 80 c. 40 d. 20

32 Enzymes for intracellular digestion are stored in the a. Vacuoles b. Lysosomes c. Nucleoli d. Mitochondria

33 What is represented by structure “C” a. b. c. d. m. RNA Anticodon Codon DNA

34 What stage of mitosis is shown in the drawing below? a. b. c. d. Prophase Metaphase Anaphase Telophase

35 The process shown in the diagram below does NOT result in the formation of a: a. b. c. d. diploid cell haploid cell sex cell gamete

The End