Exam (elaborations)
BLY 101 Final Exam fully solved rated A+
- Course
- BLY 101
- Institution
- University Of South Alabama
BLY 101 Final Exam fully solved rated A+
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BLY 101 Final Examfatty acids are insoluble in water (t/f) - correct answer ✔✔true
entropy increases after a meal (t/f) - correct answer ✔✔true
free radicals are unstable atoms that have a strong tendency to interact with other atoms (t/f) - correct answer ✔✔true
saturated fatty acids have one or more double bonds that make them less flexible (t/f) - correct answer ✔✔false
electrons carry a positive charge (t/f) - correct answer ✔✔false
organic molecules are molecules that consist primarily of carbon and hydrogen (t/f) - correct answer ✔✔true
a saltwater fish is hypertonic to a freshwater environment (t/f) - correct answer ✔✔true
nonpolar substances dissolve easily in water (t/f) - correct answer ✔✔false
small samples can lead to sampling errors (t/f) - correct answer ✔✔true
the USDA recalled billions of dollars of contaminated products in 2011 (t/f) - correct answer ✔✔true
eating as little as 0.4 teaspoon of hydrogenated vegetable oil increases health risk (t/f) - correct answer ✔✔true the specific sequence of amino acids is what makes one protein different from another (t/f) - correct answer ✔✔true
what does endocytosis look like? - correct answer ✔✔
which of the following statements is/are true?
A. plants are capable of making their own food
B. energy refers to the capacity to do work
C. a hypothesis is an educated guess about the way a process works
D. two of the above
E. three of the above - correct answer ✔✔E
about how long does it take to deplete glycogen reserves? - correct answer ✔✔90 minutes
the dense region of the nucleus where ribosomes are assembles is called the ______. We called this the "little nucleus" - correct answer ✔✔nucleolus
which organelles adds the finishing touches to a protein and packages it for transport? - correct answer ✔✔golgi bodies
which factor or factors contribute to the success of the peacock butterfly avoiding predation?
A. wingspots
B. clicking, hissing noise
C. poison glands
D. two of the above
E. three of the above - correct answer ✔✔D (a,b)
which of the following substances diffuses the fastest?
A. molecular weight 250
B. molecular weight 500 C. molecular weight 900
D. molecular weight 1100 - correct answer ✔✔A
we discussed the importance of a cell being able to rid itself of things that wear out and debris. what organelle functions as a disposable for items that a cell needs to rid itself of? - correct answer ✔✔Lysosome
what does the golgi body look like? - correct answer ✔✔
what provides back up energy stores for animals? - correct answer ✔✔glycogen
which is an example of an ionic bond? - correct answer ✔✔salt
which structure allows a bacterium to move? - correct answer ✔✔flagellum
what cellular component contains the instruction for making proteins? - correct answer ✔✔DNA
which of the following should you do first before forming a hypothesis?
A. draw a conclusion
B. run some tests
C. make some observations
D. analyze data - correct answer ✔✔C
what does an amino acid look like? - correct answer ✔✔
what does a protein look like? - correct answer ✔✔
sodium has an atomic number of 11. how many electrons does it need to fill its outer shell? - correct answer ✔✔7
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