Lsu biology 1001 - Study guides, Class notes & Summaries

Biology 1001 Exam 2 (LSU-Hrincevich) Questions and Answers 100% Pass CHAPTER 5: What role do transport and channel proteins play within the fluid mosaic of a plasma membrane? They facilitate the movement of salts and sugars across the plasma membrane. CHAPTER 5: When red blood cells are placed in a hypertonic solution, what happens to the cells? The cells shrink because water exits them. CHAPTER 5: How would you best describe plasma membranes? Plasma membranes consist of a bilay...

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 - Answer (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...

LSU BIOLOGY 1001 FINAL (ROSBY) TEST BANK QUESTIONS WITH ALL CORRECT SOLUTIONS GRADED A+ How do scientists use normally harmful viruses to treat diseases such as cystic fibrosis without causing a viral disease? - Answer-They genetically engineer the virus to make it harmless, then insert the gene for the treatment of cystic fibrosis into the virus Evolution - Answer-Change over time in the characteristics of a population Population - Answer-Consists of all the individuals of one species...

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 ...

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

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...

BIOLOGY 1001 LSU FINAL EXAM 2024 WITH 100% ACCURATE SOLUTIONS

Biology 1001 LSU Exam 1 Adam H Questions and Answers 100% Pass **CHAPTER 1: In an experiment testing the effect of vitamin D on growth, two groups of rats were raised under identical conditions and fed the same diet. One group received daily injections of vitamin D, while the other received injections of saline without vitamin D. What was the role of the group receiving saline in this experiment?** It served as the control group. **CHAPTER 1: Is it true that a good experiment shoul...