Define stem cells - Study guides, Class notes & Summaries

3 major phases of cell division: Correct Answer: Interphase Mitotic phase Cytokinesis 3 steps of interphase: Correct Answer: First growth phase (G1) Synthesis phase (S phase) Second growth phase (G2) 4 phases of mitosis: Correct Answer: Prophase Metaphase Anaphase Telophase 2 Innate immunity: Correct Answer: Non-specific response, either: 1. Barrier (skin, mucous membranes, flora of skin/gut) 2. Cellular components (phagocytes, natural killer cells, granulocytes, macrophages) A...

Define stem cells. - ANSWER Ability to regenerate or "self-renew" Ability to differentiate into all diverse cell types Describe hematopoiesis. - ANSWER Formation and development of blood cells What cell type gives rise to all blood cells? - ANSWER Hematopoietic stem cell (HSC) Why is the study of hematopoiesis difficult? - ANSWER Because there is roughly 1 HSC per 50,000 cells in bone marrow, HSC function decreases with age, "Lin" markers found on mature cells Undifferentiated cells l...

Portage Learning BIOD 171 Microbiology Lecture Exam Key 1-6 Exams 1. What are the two major types of nucleic acids and their roles? DNA- deoxyribonucleic acid RNA- Ribonucleic acid DNA- Cellular life has DNA and a role that DNA has is long-term storage of information, it holds the characteristics of living organisms. RNA- Is the carrier of information in form of amino acid sequence. It converts the information in the DNA and synthesizes proteins Tru...

3 major phases of cell division: - ANSWER Interphase Mitotic phase Cytokinesis 3 steps of interphase: - ANSWER First growth phase (G1) Synthesis phase (S phase) Second growth phase (G2) 4 phases of mitosis: - ANSWER Prophase Metaphase Anaphase Telophase Innate immunity: - ANSWER Non-specific response, either: 1. Barrier (skin, mucous membranes, flora of skin/gut) 2. Cellular components (phagocytes, natural killer cells, granulocytes, macrophages) Adaptive immunity: - ANSWER ...

ONS Chemotherapy Immunotherapy Certificate Questions and Answers 100% Pass 3 major phases of cell division: - Correct Answer ️️ -Interphase Mitotic phase Cytokinesis 3 steps of interphase: - Correct Answer ️️ -First growth phase (G1) Synthesis phase (S phase) Second growth phase (G2) 4 phases of mitosis: - Correct Answer ️️ -Prophase Metaphase Anaphase Telophase Innate immunity: - Correct Answer ️️ -Non-specific response, either: 1. Barrier (skin, mucous membranes, f...

Portage Learning BIOD 152 A&P 2 Final Exam 2023/2024 Identify the parts of the neuron shown in the diagram below a. dendrite b. cell body c. nucleus List the four parts of the human brain The human brain is made up of the cerebral hemispheres, diencephalon, brain stem, andcerebellum. List and describe the 3 meninges of the human brain. The leathery dura mater is the double-layered outer meninx. The middle arachnoid meninx is a loose layer separated from the dura...

BMTCN Test AImmunoglobulins are secreted by which type of cell? A. B-lymphocyte B. Megakaryocyte C. T-lymphocyte D. Natural killer - correct answer A. B-lymphocyte B lymphocytes synthesize and secrete immunoglobulins. Which portion of the immunoglobulin activates the complement pathway? A. MHC Class I B. Fab C. Fc D. MHC Class II - correct answer C. Fc The Fc region activates the complement pathway. Which of the following is a class II HLA antigen? A. B B. DR C. A...

BMTCN Test AImmunoglobulins are secreted by which type of cell? A. B-lymphocyte B. Megakaryocyte C. T-lymphocyte D. Natural killer - correct answer A. B-lymphocyte B lymphocytes synthesize and secrete immunoglobulins. Which portion of the immunoglobulin activates the complement pathway? A. MHC Class I B. Fab C. Fc D. MHC Class II - correct answer C. Fc The Fc region activates the complement pathway. Which of the following is a class II HLA antigen? A. B B. DR C. A...

3 major phases of cell division: Interphase Mitotic phase Cytokinesis 3 steps of interphase: First growth phase (G1) Synthesis phase (S phase) Second growth phase (G2) 4 phases of mitosis: Prophase Metaphase Anaphase Telophase Innate immunity: Non-specific response, either: 1. Barrier (skin, mucous membranes, flora of skin/gut) 2. Cellular components (phagocytes, natural killer cells, granulocytes, macrophages) Adaptive immunity: Follows innate immunity ...

Immunology Exam 1 With Questions And 100% Correct Answers What are two examples of phagocytes? Neutrophils (PMN-polymorpho nuclear) and Macrophages (MO) True or false: Monocytes are precursors of macrophages. True. Monocytes are found in blood but when they move into tissues, they are macrophages. What cells are important for parasite control, allergy, and inflammation? 1. mast cell (release histamine when activated) 2. eosinophil (similar function as mast cell but arrive at scene...