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BIO 254 EXAM BUNDLE!!

BIO 254 EXAM BUNDLE!!BIO 254 EXAM BUNDLE!!BIO 254 EXAM BUNDLE!!BIO 254 EXAM BUNDLE!!BIO 254 EXAM BUNDLE!!BIO 254 EXAM BUNDLE!!BIO 254 EXAM BUNDLE!!BIO 254 EXAM BUNDLE!!BIO 254 EXAM BUNDLE!!BIO 254 EXAM BUNDLE!!BIO 254 EXAM BUNDLE!!BIO 254 EXAM BUNDLE!!

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Bio 254 Final Exam Questions & Answers(RATED A+)

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Job duty of soft palate -ANSWER to prevent food from entering the nasal cavity Alimentary Canal -ANSWER mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum, anus Accessory Organs -ANSWER liver, gallbladder, pancreas, salivary glands Layers of the alimentary canal -A...

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Bio 254 exam 1 Questions & Answers 100% Correct

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What does the pancreas produce -ANSWER insulin and glucagon What secretes digestive enzymes into small intestine analyze hormones to travel all over body -ANSWER Exocrine Which hormones do the anterior pituitary (adenohypophysis) produce -ANSWER GH ACTH TSH FSH LH PRL What hormones do ...

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BIO 254 FINAL Correct 100%

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sliding filament theory -ANSWER theory that actin filaments slide toward each other during muscle contraction, while the myosin filaments are still actin and myosin -ANSWER Muscle contraction results from the sliding together of thymus gland -ANSWER located in the mediastinal cavity anterior t...

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BIO 254 Final Exam Questions & Answers!!

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Follicle-stimulating hormone (FSH) - ANSWERFemale- promotes development of ovarian follicle- stimulates estrogen secretion Male- promotes development of testes- stimulates sperm production luteinizing hormone (LH) - ANSWERFemale- triggers ovulation, promotes development of corpus luteum Male-...

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BIO 254 Exam 1: Written Questions & Answers(RATED A+)

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Endocrine System -ANSWER Works through hormones; responses typically occur more slowly and last longer Maintains water balance, electrolyte concentration, metabolism, growth, reproduction, cardiac activity and immune function -ANSWER Functions of the Endocrine System cell membrane, cytosol, nu...

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BIO 254 LAB - PRACTICE QUESTIONS With Correct Solutions!!

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The cardiovascular center is located -ANSWER medulla oblongata All deoxygenated blood returning from the systemic circulation flows into the: -ANSWER Right Atrium Which of the following layers of the pericardium is the dense connective tissue structure that plays an important role in protectin...

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BIO 254 Final Exam Accurate 100%

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Trends in Plant Evolution Chlorophyta ancestor -ANSWER ancestor of modern land plants: - Spores produced in tetrads - Parental plant retains fertilized egg - Alteration of generations: haploid gametophyte & diploid sporophyte -Biochemical similarity: chlorophylls & starch Trends in Plant Evo...

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BIO 254 Test 1 Correct 100%

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A theory is a statement of speculation with no scientific evidence to support it - ANSWERfalse, a theory is a statement of what are held to be the general laws, principles, or causes of something known or observed. What criterion does Karl Popper use to define questions appropriate for science? -...

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BIO 254 FINAL EXAM Learning outcomes Questions 100% Correct

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Distinguish between endocrine and exocrine glands. -ANSWER Endocrine: - ductless (secretion --> blood) - secrete hormones -they control long term of target organs (pituitary and thyroid) Exocrine: - may or may not have ducts - secrete enzymes - control short term (salivary and sweat glan...

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Bio 254 Final exam review Correct 100%

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What is necessary for LH to function? - ANSWERFSH When will a secondary oocyte finish meiosis and become a mature gamete? - ANSWERAfter fertilization What is secreted from the adrenal medulla? - ANSWEREpinephrine What does the pineal gland do? - ANSWERExcretes melatonin and regulates the da...

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Bio 254 exam 2 Questions & Answers(RATED A+)

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Function of Osteoclasts - ANSWERChew up bone, secretes an acidic substance that dissolves "chews" up bones Three layers of muscle - ANSWEREpimysium, Perimysium, Endomysium Fascicle - ANSWERbundle of muscle fibers myofibril is made up of - ANSWERmyofilaments Myofilaments - ANSWERThe con...

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Bio 254 final Questions 100% Correct

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pathway of sperm -ANSWER testis→epididymis→ductus deferencs→ejaculatory duct→urethra What does FSH do in men -ANSWER Sperm production LH in men -ANSWER stimulates interstitial cells to produce testosterone LH in women -ANSWER triggers ovulation FSH in women -ANSWER Stimulates fol...

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Bio 254 Exam 2 Questions & Answers(RATED A+)

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Compact bone - ANSWERmade of heavy osteons, yellow marrow, weight barring and resists compression Spongy bone - ANSWERmade of light trabeculae, red bone marrow, reduces weight and is slightly flexible yellow marrow - ANSWERtriglyceride storage red marrow - ANSWERhematopoiesis, half is conve...

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Bio 254 Exam 2- Digestive System Only Correct 100%

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Functions of the Digestive System -ANSWER Prepares nutrients for absorption, modify food in both physical and chemical state so it can be used by the body alementary canal -ANSWER Extends from the mouth to the anus Walls of the GI Tract from Inside Out -ANSWER Mucosa, Submucosa, Muscularis, Se...

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Bio 254 Exam 2 Questions 100% Correct

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Fascia - ANSWERexternal to muscles, bones, or other organs Superficial Fascia - ANSWERunder the skin Deep Fascia - ANSWERsurrounds deeper organs, including epimysium of muscle Tendon sheath - ANSWERtubelike tunnel around tendon of muscle; lined with synovial membrane Epimysium - ANSWERsu...

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BIO 254 exam 1 Correct 100%

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Actin - ANSWERA globular protein that links into chains, two of which twist helically about each other, forming microfilaments in muscle and other contractile elements in cells. Agonists - ANSWERdirectly perform the movement - prime mover Antagonists muscles - ANSWERdirectly oppose prime mover...

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Bio 254 Exam 2 Correct 100%

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What is not a macromolecule? - ANSWERCO2 B cells proliferate into... - ANSWERPlasma Cells The triad of the skeletal muscle fiber composed of - ANSWERT tubules and sacs of the SR What causes a muscle fiber to relax - ANSWERCalcium is pumped into the SR Thick filaments are made up of which...

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BIO 254 Exam #1 Correct 100%

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Science -ANSWER an objective, self-correcting method for gathering and organizing information about the natural world through repeated observation and experimentation. Repeated Observation -ANSWER repeat experimentation to prove something is true or not. Self correcting -ANSWER ideas in scienc...

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Bio 254 Exam 2 Questions & Answers(RATED A+)

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What are circulating hormones? - ANSWERWhat hormones enter the blood stream? What are local hormones? - ANSWERWhat are hormones that act within the same area without first entering the blood stream? What are paracrine hormones? - ANSWERWhat are the local hormones that are secreted into interst...

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bio 254 exam 2 Questions 100% Solved!!

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how do muscles get ATP -ANSWER creatine phosphate for quick ATP glycogen for anarobic myoglobin for aerobic which cell types are capable of mitosis -ANSWER osteogenic cells what are myofibrils made of -ANSWER thick and thin filaments what are thin filaments made of -ANSWER tropoin and tro...

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BIO 254 Exam 2 Correct 100%

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Musclularis layer is responsible for - ANSWERPeristalsis Epiglottis is attached to the - ANSWERlarynx Where does peristalsis occur? - ANSWERfrom esophagus to anus cells that secrete hydrochloric acid - ANSWERparietal cells what does lipids break down to - ANSWERglycerol and fatty acids ...

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Hondros Bio 254 Exam 2 Correct 100%

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Insulin -ANSWER Which hormone is necessary for glucose to be taken up by cells? PTH -ANSWER Which hormone regulates blood calcium levels and is released when calcium levels drop? Aldosterone -ANSWER Which mineralcorticoid regulates sodium reabsorption by the kidney? Prolactin -ANSWER Which ...

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BIO 254 Exam 2 Correct 100%

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function of diaphragm -ANSWER muscle used in breathing 3 requirements for muscle contraction -ANSWER ATP, Calcium, and ACH Function of sarcoplasmic reticulum -ANSWER store calcium and release calcium during muscle contraction Function of acetylcholinesterase -ANSWER Enzyme that breaks down ...

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BIO 254 practical 2 Correct 100%

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trabeculae -ANSWER Endosteum -ANSWER red bone marrow -ANSWER central canal (haversian canal) -ANSWER Canaliculi -ANSWER Osteocytes -ANSWER Lacunae -ANSWER Osteon -ANSWER Periosteum -ANSWER transverse canal -ANSWER Lamella -ANSWER frontal bone -ANSWER

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bio 254 exam 3 Correct 100%

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nervous system -ANSWER system of communications cell body -ANSWER main part, have all the cell parts nucleus -ANSWER has DNA dendrites -ANSWER receives information (detects stimuli) myelin -ANSWER protects the axon fast axon -ANSWER carries nerve implose axon endings -ANSWER relea...

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Bio 254 Test 1 review Questions 100% Solved!!

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The hormone ADH is produced by cells whose bodies are in the ____, but it is actually released or secreted in the _____. -anterior pituitary; posterior pituitary -hypothalamus; anterior pituitary -hypothalamus; posterior pituitary -hypophysis; hypothalamus -ANSWER hypothalamus; posterior pituita...

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Bio 254 lab practical 1 Accurate 100%

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Adreabal ( suprarebal) gland - ANSWER Ovary - ANSWER Thyroid gland - ANSWER Testes - ANSWER Pancreas - ANSWER Lacrimal gland - ANSWER Tongue and papillae - ANSWER Optic Chiasma - ANSWEROrange dot Pituitary gland - ANSWER Olfactory bulb - ANSWER Nares - ANSWERnot sure if...

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Practical Bio 254 Correct 100%

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Spleen - ANSWER Lymph nodes - ANSWERBean-shaped filters that cluster along the lymphatic vessels of the body. They function as a cleanser of lymph as wells as a site of T and B cell activation Lymph vessels - ANSWERvessels that receive lymph from the lymph capillaries and circulate it to the l...

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Hondros Bio 254 Exam 1Questions & Answers(RATED A+)

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(Chapter 31) lymphatic system -ANSWER Jan 2021 What does the lymphatic system do? -ANSWER Maintains fluid balance in the internal environment. -interstitial fluid is absorbed by tissue cells and reabsorbed by the blood -absorbs fat in the intestine with special lymph structures called lacteals ...

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Hondros Bio 254 Final Questions & Answers(RATED A+)

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Slower - ANSWERThe Endocrine system is a major controlling system in the body that works ________ than that of the Nervous System. Nervous System - ANSWEROther major body system that acts to maintain homeostasis. Hormones - ANSWERThe endocrine system uses chemical messengers called? nerve i...

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Bio 254 Test #2 Correct 100%

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Secretin -decreases the stomach's churning activity -stimulates the gastric secretion of HCl -is released by the salivary glands -stimulates bile ducts and pancreatic ducts to secrete bicarbonate -ANSWER stimulates bile ducts and pancreatic ducts to secrete bicarbonate Where is the myenter...

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Bio 254 Hondros RN test 2 Questions & Answers 100% Correct

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where is FSH produced? -ANSWER anterior pituitary gland what is the target of FSH? -ANSWER ovaries and testes what does FSH cause? -ANSWER development of the egg and production of sperm what gland has both endocrine and exocrine function? -ANSWER pancreas what is a ductless gland? -ANSWE...

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Bio 254 lab practical 2 Correct 100%

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Thymus - ANSWER Lungs - ANSWER diaphragm - ANSWER heart - ANSWER pericardial sac - ANSWER Phrenic nerve - ANSWERone on both sides Aorta Ascending - ANSWERBig green dot Aorta arch - ANSWER Aorta Decending - ANSWER Brachiocephalic artary - ANSWERSmall orange - ANSWER ...

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Exam 3 BIO 254 Questions & Answers(RATED A+)

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What is dopamine? -ANSWER A neurotransmitter of the brain -Can be associated with pleasure/reward (addictions) What is Parkinson's Disease? -ANSWER When the brain doesn't produce enough dopamine (too little dopamine) Is Parkinson's genetic or environmental? -ANSWER There are factors in bot...

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bio 254 quiz 5 Correct 100%

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the different layers of uterine wall -ANSWER 1endometrium (mucosa) inner most layer 2- mayo metrium (muscle layer) 3- epimetrium (outer layer) the site of spermatogenesis -ANSWER seminiferous tubules of the testes site of testosterone production -ANSWER interstitial cells of the testes sper...

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bio 254 reproductive Correct 100%

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Embryology focuses on which time frame? -ANSWER first eight weeks following conception The broad ligament supports which structures -ANSWER uterine tube and uterus which hormone directly causes ovulation -ANSWER LH Where do sperm cells go through their maturation process? -ANSWER epididymis...

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