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Question 1: How does the quantity of genetic material vary within the cell during the sequential phases of the cell cycle? Question 2: Concerning their biological function what is the difference betwe
What is the name of the cytoplasm division in the end of mitosis? What are the differences in this process between animal and plant cells?
Question 1: What are centrioles? In which type of cell are they present? Question 2: What are the main events of the first mitotic period?
Question 1: What is the uncontrolled mitotic process that occurs as disease in pluricellular beings called? Question 2: What are the three periods into which interphase is divided?
Question 1: Why in some cases is mitosis a synonym of reproduction? Question 2: What are some examples of organs and tissues where mitosis is more frequent, less frequent or practically absent?
Question 1: What is the other name given to sex chromosomes? What is the function of sex chromosomes?Question 2: Do phylogenetically proximal species have cells with proximal chromosome counts?
Question 1: Is there a relationship between phylogeny and genome size? Explain. Question 2: What is the average genome size (number of ORFs) within each phylum? Question 3: What is the average genome
Question 1: What is the purpose of adding anhydrous MgSO4 to the ether solution ? what would occur if this step were omitted? Question 2: Give me three narrowed topics related to general genetics.
Question 1: What happens on membrane level during an action potential? Question 2: How are polysaccharides and polypeptides similar and how are they different?
What are homologous chromosomes? Which are the human cells that do not have homologous chromosomes?
How are the concepts of chromosome, chromatin and chromatids related? In which phase of the cell cycle does DNA duplicate?
What does the embryonic notochord give rise to? A. nucleus pulposus B. spinal cord C. vertebrae D. digestive tube E. coelom
Which of these features is NOT present in all the vertebrate animals? A. notochord B. the spinal cord and brain C. limbs with digits (fingers and toes) D. heart in the ventral thorax E. pharyngeal sli
What organelle in a skeletal muscle cell stores then releases lots of calcium ions to trigger muscle contraction?
Which cell type contains a lot of secretory granules? A. skeletal muscle fiber B. osteocyte C. macrophage D. goblet cell E. endothelial cell
Scale and dimensions: The diameter of an average cell in the body is: A. half a micrometer B. 1 meter C. half a millimeter D. 10 centimeters E. 10 micrometers
What is autophagic intracellular digestion? Why is this type of intracellular digestion intensified in an organism undergoing starvation?
Question 1: How does the amoeboid movement occur? What are examples of beings and cells that use such movements for locomotion? Question 2: How do the rough endoplasmic reticulum and the Golgi apparat
What are cilia and flagella? How do these structures acquire movement? What are some examples of ciliated and flagellated cells in humans?
What is meant by suction force of the plant cell? Does the suction force facilitate or make difficult the entrance of water into the cell?
Question 1: Decribe Natural Killer Cells include their major targets and how they differ from T & B lymphocytes.Question 2: What are the two main types of endocytosis?
Question 1: Why does the body have adrenal glands? Question 2: Are the adrenal glands truly redundant in design with the sympathetic nervous system?
Question 1: Why must the neurochemical design of the autonomic nervous system be this way? Question 2: How does the same neurochemical induce different responses in target effector tissues?
Question 1: What is the significance of the anatomic design of the autonomic nervous system? Question 2: Is the autonomic nervous system a true homeostatic system?