Biology

1. According to the cell theory, all living organisms are composed of A) DNA. B) cells. C) proteins. D) macromolecules. E) phospholipids. ans: B questiontype: Multiple Choice chaptername: 3 drivingquestion: 3.1 learningobjective: 3.1.1 infographic: 3.2 cognitivelevel: LOC bloomslevel: Remembering levelofdifficulty: Low source: Test Bank sequence: 3001 2. According to the cell theory, all cells come from A) an adaptation. B) a common ancestor. C) pre-existing cells. D) a pr...

Test Bank Molecular Biology of the Cell 6th Edition, by Bruce Alberts MOLECULAR BIOLOGY OF THE CELL, SIXTH EDITION CHAPTER 1: CELLS AND GENOMES Grade A 1. Scientists discover more than ten thousand new species of living organisms every year. What is shared between all these organisms? A. They are made of cells whose nuclei enclose their DNA. B. They obtain their energy from sunlight. C. They produce and use adenosine triphosphate (ATP). D. Their genome contains at least 1000 genes. E. A...

1) Cells are . A) only found in pairs, because single cells cannot exist independently B) limited in size to 200 and 500 micrometers in diameter C) characteristic of eukaryotic but not prokaryotic organisms D) characteristic of prokaryotic and eukaryotic organisms 2) In comparison to eukaryotes, prokaryotes . A) are more structurally complex B) are larger C) are smaller D) do not have membranes 3) Which of the following types of cells utilize deoxyribonucleic acid (DNA) as thei...

1) Who was the first person to describe living single cells? a) Leeuwenhoek b) Hooke c) Schleiden d) Schwann e) Virchow Answer: a Difficulty: Easy Learning Objective: LO 1.1 Discuss the major discoveries of cell theory. Section Reference: Section 1.1 The Discovery of Cells 2) The first compound light microscopes were constructed by the end of the sixteenth century. What is a compound microscope? a) It has a moveable stage. b) It has two lenses. c) Its lens is double the size o...

Chapter 18 has been totally reorganized and so has its Test Bank. The earlier edition questions were transferred from several Biology, Seventh Edition, chapters, and 30 questions are entirely new. Several sections of the new Chapter 18 had no or almost no corresponding questions. Likewise, none of the earlier questions required higher level thinking and learning skills, so nearly all of the new questions are at Application/Analysis and Synthesis/Evaluation skill levels. Multiple Choice Questi...

Part 1 of 5 - Part 1 22.0/ 22.0 Points From chapter 3 Question 1 of 50 The jelly-like substance found within cells that provides the fluid medium necessary for biochemical reactions is called . 2.0/ 2.0 Points A. Synovial fluid B. Water C. Petroleum D. Cytosol E. Alcohol Feedback: Good work; your answer is correct! Question 2 of 50 The stage of the cell cycle during which two new and fully functional nuclei are formed is called . ...

Nutrition and digestion system is explained very well in detail.

Mechanism of enzyme action.

Best notes of human body excretory system.

Biomolecules is explained in detail in this document.