Reproductive System Function: Anatomy of Male Reproductive System Major Organs producing offspring External Reproductive Organs propagation of the species penis and scrotum !in terms of evolution – the only reason all the other systems exist Internal Organs: only major system that doesn’t work continuously ! only activated at puberty these structures form continuous tube: Testes epididymus vas deferens ejaculatory duct urethra in penis unlike most other organisms
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nucleolus is that the nucleolus is inside the nucleus‚ and it is in a category of eukaryotic cell. Another fact is that there are many species that there is many nucleoli in the nucleus‚ and for some plants the nucleoli do not disappear during the mitosis they sometimes remain or sometimes they disappeared. The nucleolus carries out about 50% RNA that takes place in cells. The NOR ( Nucleolus Organizer Region) is a place where a cell formation of the nucleolus takes a chromosomes. A NOR mean A region
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Life on earth A. Procaryotic Organisms 1. The prokaryotic cell‚ unlike the eukaryotic cell‚ is able to survive in an oxygen-deprived‚ mineral-deprived and vitamin-deprived environment. The normal cells in our body‚ the eukaryotic cells need oxygen‚ vitamins and minerals to be able to survive. 2. The classification system of prokaryotes Classification of Prokaryotes Procaryotes can be divided into two distinct groups‚ archaea and eubacteria. Each group has its own characteristics
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vaginal openings and produce produce a fluid secretion clitoris – covered by a fold of skin ‚ the two labia minora meet at the clitoris .SPERMATOGENESIS : the process by which spermatozoa are produced from male primordial germ cells though mitosis and meiosis . it produces mature male gametes ‚ commonly called sperm but specifically known as spermatozoa . for humans ‚ entire process of spermatogenesis takes 74 days ‚ testes
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A specific antigen type is identified 2. A specific B lymphocyte is identified that can produce an antibody which will bind to the antigen (proteins on the pathogen) 3. The B lymphocytes and several identical B lymphocytes clone themselves via mitosis to rapidly increase the number of B lymphocytes. 4. The newly formed army begins antibody production 5. Newly released antibodies circulate in the bloodstream and eventually find their antigen match. 6. Using various mechanisms‚ the antibodies
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type of basic protein that forms the unit around which DNA is coiled in the nucleosomes of eukaryotic chromosomes. They are all made up of different type of proteins but work together to functions. 2. Describe what is going on in the 5 stages of mitosis. What is a spindle anyway? The Anaphase stage of is happening‚ A spindle is a microtubule structure that brings about chromosomal movement during nuclear division. 3. Compare Meiosis I to Meiosis II. Do they end up with the same exact results?
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ortMedical Magnet Biology Summer Assignment Using half of a 3 x 5 index card‚ place the vocabulary word on the front (no lines) and the definition on the back (lines). Write legibly. Next‚ draw a picture on the FRONT of the card that helps you remember the DEFINITION. For example‚ for
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Podofilox In a nonpregnant patient‚ podofilox gel or solution is the authors’ first choice. This antimitotic agent is either chemically synthesized or purified from naturally occurring podophyllin resin. Podofilox is used in the treatment of external genital warts or condyloma acuminatum. It is applied twice daily for 3 consecutive days and repeated for up to 4 weeks. Application stimulates visible necrosis of wart tissue. Side effects are minimal. To ensure that the patient is fully aware of the
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Shaffer‚ and Soto with additions and changes by Stephanie Trewhitt and Dr. Shannon Bros-Seemann San Jose State University INDEX Week Date Lab Topic Page 1 Aug 25 Lab safety‚ microscope use‚ adding course Lab 1 2 Sept 1 Cell Life cycle - mitosis/meiosis Evolutionary I Lab 2 3 Sept 8 Plant Evolutionary History I Lab 3 4 Sept 15 Plant Evolutionary History II 5 Sept 22 Adaptation and Diversity: An introduction to the Molluscs Lab 4 6 Sept 29 Mendelian genetics - Virtual Lab
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Microscopy‚ Cell Structure and Function Task 2 I: Name and describe the four main types of tissues in animals stating their functions and their location in the body give two examples of each type. The four main types of tissues that you will find in eukaryotes are connective‚ muscle‚ nervous and epithelial tissues; each of which having very different roles. Connective Tissue The first tissue type I am going to look at is the connective tissue. This tissue is found all over the body‚ including
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