What is chromatin - Study guides, Class notes & Summaries

BIOS 103 NIU EXAM 3 QUESTIONS AND ANSWERS GRADED A+ What complex molecular structure forms the basis of genetic inheritance? A) Chromatin B) Chromosomes C) DNA D) Proteins A) Chromatin Chromatin is a complex molecular structure that forms the basis of genetic inheritance. What dense nuclear structure is present during interphase? A) Nucleolus B) Centromere C) Telomere D) Nucleus A) Nucleolus The nucleolus is a dense nuclear structure present during interphase. Wha...

Irene Gold Boards Part 1 Pathology Exam With 100% Correct And Verified Answers. What type of degeneration is this? →calcium infiltration into normal tissue →hypervitaminosis D - Corret Answer-calcification, metastatic What type of degeneration is this? →calcium infiltration into abnormal/damage tissues → atherosclerosis or atheroma →damage to tunica intima - Corret Answer-calcification, dystrophic What type of degeneration is this? →TB - Corret Answer-caseous What type of d...

CBNS 150 FINAL TEST QUESTIONS & ANSWERS 2024/2025 What are the major players of apoptosis? - ANSWERS- Bax - Bcl2 - caspases - cytochrome c - APAF1 - Mitochondria Who is considered "guardian of the genome"? - ANSWERSp53 Why does p53+/+ cells have a lower percent survival after x-irradiation than p53-/- cells? - ANSWERSApoptosis is induced by WT p53 in response to DNA damage How many different types of cancer are there? - ANSWERSAbout as many as there are different types of c...

Porth's Essentials of Pathophysiology 10th Edition Test Bank by Tommie L. Norris Complete Guide A+ 2023/2024. At an international nursing conference, many discussions and breakout sessions focused on the World Health Organization (WHO) views on health. Of the following comments made by nurses during a discussion session, which statements would be considered a good representation of the WHO definition? Select all that apply. A) Interests in keeping the elderly population engaged in such acti...

BIOL 2300 Quizzes 1-7 Latest Update Graded A+ DNA is negatively charged because a. the ribose sugars of DNA are positively charged b. the ribose sugars of DNA are negatively charged c. the nitrogenous bases are negatively charged d. the phosphate backbone of DNA is negatively charged e. DNA is not acidic d. the phosphate backbone of DNA is negatively charged DNA replication is a. semi-conservative b. dispersive c. conservative d. error prone a. semi-conservative Define D...

Exam 1: BIO1201/ BIO 1201 Study Guide (Latest 2024/ 2025 Update) | Questions and Verified Answers| 100% Correct| Grade A – LSU Q: Nucleolus: nonmembranous structure involved in production of ribosomes; a nucleus has one or more nucleoli Q: Chromatin Answer: material consisting of DNA and proteins; visible in a dividing cell as individual condensed chromosomes Q: cell wall Answer: outer layer that maintains cell's shape and protects cell from mechanical damage; ma...

Honors Biology First Semester Final Exam with Complete Solutions What is the term for the process by which cells convert atmospheric nitrogen into a usable form for plants? Nitrogen Fixation What is the name of the small RNA molecules that regulate gene expression by targeting mRNA for degradation? MicroRNA (miRNA) What is the term for the process in which an organism produces offspring that are genetically identical to itself? Asexual Reproduction What is the name of the...

Apoptosis - Answer- A programmed cell death that is regulated or programmed. Cellular self-destruction for elimination or unwanted cell populations Necrosis - Answer- Rapid loss of the plasma membrane structure, organelle swelling, mitochondria dysfunction What is the #1 cause of cellular injury leading to necrosis (especially the kidney and heart) - Answer- hypoxia What is the #1 cause of hypoxia? - Answer- ischemia Main component of a cell - Answer- nucleus What does the nucleus...

Irene Gold Boards Part 1 Pathology Exam With 100% Correct And Verified Answers. What type of degeneration is this? →calcium infiltration into normal tissue →hypervitaminosis D - Corret Answer-calcification, metastatic What type of degeneration is this? →calcium infiltration into abnormal/damage tissues → atherosclerosis or atheroma →damage to tunica intima - Corret Answer-calcification, dystrophic What type of degeneration is this? →TB - Corret Answer-caseous What type of d...

Irene Gold Boards Part 1 Pathology Exam With 100% Correct And Verified Answers. What type of degeneration is this? →calcium infiltration into normal tissue →hypervitaminosis D - Corret Answer-calcification, metastatic What type of degeneration is this? →calcium infiltration into abnormal/damage tissues → atherosclerosis or atheroma →damage to tunica intima - Corret Answer-calcification, dystrophic What type of degeneration is this? →TB - Corret Answer-caseous What type of d...