Biology 1001 lsu - Study guides, Class notes & Summaries

LSU Biology 1001 Exam 2 (Hrincevich) course requirement general science questions and answers

LSU BIOLOGY 1001 CHAPTER 9 TEST QUESTIONS WITH ALL CORRECT ANSWERS ALREADY GRADED A+ Homologous Chromosomes - Answer-chromosomes that contain the same genes but are NOT identical Diploid - Answer-Contain homologous chromosome pairs majority of cells complete set of chromosome present Haploid - Answer-contain 1 chromosome of each type sex cells 1/2 set of chromosomes until fertilization Interphase: G1 - Answer-Period before DNA replication Cell grows, differentiates, and receives ...

What are photoautotrophs? - Plants- they convert light energy to chemical energy. What do "self-feeding" photoautotrophs require to make their own food? - Light, CO2, H2O, and Minerals What are heterotrophs? - consumers that feed on plants or animals Where does photosynthesis occur? - chloroplasts (plant cells) What are cholorplasts? - they are surrounded by a double membrane and contain stacks of thylakoids

LSU Biology 1001- Chapter 3 EXAM QUESTIONS WITH CORRECT DETAILED ANSWERS – UPDATED!!! Centromere - Answer-temporarily holds 2 daughter cells together after DNA replication and is the attachment site or microtubules that move the chromosome during cell division Interphase - Answer-the period between cell divisions; contains three subphases i. During G1, a cell grows, may specialize, and may divide in response to external signals ii. During the S phase, the cell duplicates its DNA iii. D...

LSU BIOLOGY 1001 CHAPTER 11 EXAMINATION QUESTIONS WITH CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+ meiosis - Answer-a diploid nucleus divides twice, producing 4 haploid nuclei and cytokinesis, which packages the 4 nuclei into separate cells Meiosis I - Answer-Separates Homologous Chromosomes into Two Haploid Daughter Nuclei Meiosis II - Answer-Separates Sister Chromatids into Four Daughter Nuclei Chiasmata - Answer-crosses where chromatids of the maternal and paterna...

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...

What are photoautotrophs? - Plants- they convert light energy to chemical energy. What do "self-feeding" photoautotrophs require to make their own food? - Light, CO2, H2O, and Minerals What are heterotrophs? - consumers that feed on plants or animals Where does photosynthesis occur? - chloroplasts (plant cells) What are cholorplasts? - they are surrounded by a double membrane and contain stacks of thylakoids

Biology 1001 LSU Hrincevich Exam 3 Exam Questions and answers (

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...