Bio 254 final exam 2024 - Study guides, Class notes & Summaries
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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- stimulates production of testosterone 
 
What happens during ovulation? - ANSWERRupture of the mature follicle with expulsion of its ovum into the pelvic cavity 
Occurs on cycle day 14 
Rise in tem...
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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 -ANSWER mucosa, submucosa, muscularis, serosa 
 
Mucosa layer -ANSWER Most digestion and absorption happens in this layer 
 
Muscularis layer -ANSWER Starts at the pharynx and ends at the anus. Stimulat...
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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 Evolution 
Vascular tissue -ANSWER -Lower devonian 
 --first fossil evidence of vascular tissue and stomates 
-Mid devonian 
 --evidence of secondary xylem 
- Protogymnosperms: secondary growth and seed ...
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Straighterline BIO 201 Anatomy & Physiology I Midterm Exam (New Version June 2024)
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Straighterline BIO 201 Anatomy & Physiology I Midterm Exam (New Version June 2024) 
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 Topic 8: Joints 
Question 1 ...
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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 day and night cycle 
 
What is excreted from the adrenal cortex besides cortisol? - ANSWERAldosterone. Regulated by the RAS process 
 
What is the target for aldosterone? - ANSWERKidney 
 
What is the s...
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