ExamView - Fall Semester Final Exam Practice Test.tst - Biology

29) In the lock-and-key model of enzyme function shown in Figure 2.2, what is happening in step 2?A) The catalyzed reaction is releasing a product.B) The active sites are restructuring the enzyme.C) The enzyme is causing new bonds to form between the substrates.D) The substrates are beginning to bind to the enzyme.30) Which aspect of a chemical reaction is affected by enzymes?A) directionB) rateC) equilibriumD) pH31) Which of the following is a major principle upon which cell theory is based?A) All cells form by free-cell formation.B) All cells have DNA.C) All organisms are made of cells.D) All cells are eukaryotic.32) Identify the type of cell shown in Figure 3.1.A) prokaryoticB) eukaryoticC) bacterialD) animal33) Which organelle is the storehouse for most of a cell's genetic information?A) mitochondrionB) chloroplastC) centrioleD) nucleus34) Which phrase best describes rough ER?A) studded with ribosomesB) protected by vesiclesC) connected to the Golgi apparatusD) stored in the central vacuole35) Which organelles supply energy to the cell?A) ribosomesB) centrosomesC) mitochondriaD) vacuoles5