BIOS 251 Week 5 Exam 2 (Weeks 3 and 4)

Question 1 1 / 1 pts During what phase of meiosis does crossing-over occur? 922019381549220198484149220191658674prophase II 85090040449500prophase I metaphase II 8509001204595anaphase I interphase Question 2 / 1 pts Which organelle is responsible for breaking down damaged or faulty proteins? 10191741460500922019443284922019848414proteosomes ribosomes peroxisomes 8509001204595golgi complex Question 3 1 / 1 pts In which stage of mitosis does the nuclear envelope disintegrate? 922019381549220194432849220198484149220191253544anaphase telophase prophase metaphase Question 4 1 / 1 pts How many chromosomes are in human somatic cells? 92201925149923 (haploid) 23 (diploid) 92201928515446 (diploid) 46 (haploid) Question 5 1 / 1 pts Proteins are synthesized in theand sorted, packaged, and transported by the . 9220193815492201944328492201984841492201912535449220191658674golgi complex, ribosomes golgi complex, rough ER rough ER, golgi complex smooth ER, golgi complex ribosomes, rough ER Question 6 / 1 pts Which molecule helps stabilize and reinforce the plasma membrane? 922019381549220194432849220198484149220191253544glycolipids phosophlipids cholesterol proteins Question 7 / 1 pts 922019388659Which type of membrane proteins can be found on either the outer or inner surfaces of the plasma membrane? transmembrane proteins peripheral proteins 92201939424922019444554922019849684integral proteins lipoprotein glycoprotein Question 8 / 1 pts Select all types of active transport. 9220193815492201944328492201984841492201912535449220191658674secondary active simple diffusion Na/K pump osmosis endocytosis Question 9 / 1 pts 922019213399What happens to a red blood cell that is placed in a hypertonic solution? crenates 92201984841492201938154922019443284swells with water nothing bursts Question 10 1 / 1 pts 922019388659922019793789Which mode of secretion consists of glandular secretions that are carried by vesicles and use exocytosis? holocrine apocrine 922019285154endocrine merocrine Question 11 1 / 1 pts What are the three types of protein fibers found in connective tissue? 9220193815492201944328492201984841492201912535449220191658674collagen, elastic, loose reticular, collagen, irregular tendons, ligaments, joints cartilage, elastic, collagen reticular, elastic, collagen Question 12 / 1 pts Select the characteristics that cardiac and skeletal muscle tissue have in common. 92201938154922019443284contain intercalated