Lsu biology 1001 - Study guides, Class notes & Summaries

Biology 1001 lsu Final Exam 2024/2025: Complete with Verified Correct Answers and Authentic Exam Questions

Biology 1001 LSU Hrincevich Exam 3 Questions and Answers Already Passed **1. Growth factors primarily stimulate:** - (A) The production of cyclins. - (B) The cell to skip the S and G1 phases of interphase and undergo mitosis directly. - (C) Cdk's to synthesize enzymes that digest cyclins. - (D) The cell to ignore the checkpoints of the cell cycle. - (E) None of the above. **2. A key distinction between mitosis and meiosis is:** - (A) Meiosis produces two daughter cells, while mito...

biology 1001 LSU exam 1 Adam H questions & answers rated A+

Biology 1001 LSU Fall (Dr. Nita) Test 1 Questions and Answers Already Passed **Question 1: What characterizes an acidic solution?** a. Equal concentration of H+ and OH ions b. More H+ than OH ions c. Less H+ than OH ions d. None of the above **Answer: b. More H+ than OH ions** **Question 2: Where are protons typically found?** a. Atoms with positive charges b. Atoms with neutral charges c. Atoms with negative charges d. None of the above **Answer: a. Atoms with positive ...

CHAPTER 5: Within the fluid mosaic of a plasma membrane, what is the role of transport and channel proteins? - They permit salts and sugars to move through the plasma membrane. CHAPTER 5: If red blood cells are taken from the body and placed in a hypertonic solution, what happens to the cells? - The cells shrivel up because water leaves them. CHAPTER 5: Plasma membranes are BEST described as a what? - single layer of phospholipids with tails pointed toward the inside of the cell. CHAPTE...

BIOLOGY 1001 LSU ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) ALREADY GRADED A+ What happens when hydrochloric acid (HCl) is added to pure water? - Answer-The HCl molecules separate into H+ and Cl- ions Carbon-14 is often used for carbon dating, where scientists measure the rate of carbon-14 decay to determine the age of items. Carbon-14 contains six protons and eight neutrons. During the process of carbon-14 decay, one of its eight neutrons become...

BIOL 1001 / Exam 1 / Bhattacharyya / LSU Latest Update 100% Pass **Definition of Biology** Biology is defined as the scientific study of life. **Characteristics of Organisms** Organisms actively maintain complex organization, acquire and utilize energy and materials, respond to stimuli, grow, reproduce, and evolve. **Cellular Basis** Cells constitute the fundamental units of life and are delimited by a plasma membrane. **Cell Types** Cells are categorized into two main ty...

Growth factors stimulate what? (A) cyclin production. (B) the cell to skip the S and G1 phases of interphase and undergo mitosis directly. (C) Cdk's to synthesize enzymes that digest cyclins. (D) the cell to ignore the checkpoints of the cell cycle. (E) NONE OF THE ABOVE - (A) cyclin production What is a major difference between mitosis and meiosis? (A) Meiosis produces two daughter cells instead of the four daughter cells produced in mitosis. (B) Meiosis produces genetically ide...

1001 LSU (DR. NITA, FALL) BIOLOGY TEST 1-3, COMBINED LATEST VERSION 2024/25 Table salt dissolves in water by a. The hydrogen bonds formed between oxygen of water molecule and hydrogen of the hydroxyl groups in table salt b. Sodium chloride ions that contain oppositely charged ions that attract the oxygen and hydrogen of water molecules. c. Sodium chloride that contains hydroxyl residues that attract the oxygen and hydrogen of water molecules. d. All of the above - CORRECT ANSWER Sodiu...

CHAPTER 5: Within the fluid mosaic of a plasma membrane, what is the role of transport and channel proteins? - They permit salts and sugars to move through the plasma membrane. CHAPTER 5: If red blood cells are taken from the body and placed in a hypertonic solution, what happens to the cells? - The cells shrivel up because water leaves them. CHAPTER 5: Plasma membranes are BEST described as a what? - single layer of phospholipids with tails pointed toward the inside of the cell. CHAPTE...