EXAM 3: Mizzou Bio 1500 Exam 3 Bush; Questions and Answers Rated A+

EXAM 3: Mizzou Bio 1500 Exam 3 Bush; Questions and
Answers Rated A+
Describe an effective experimental design to determine whether an environmental variable

imposes selection on a trait. CORRECT ANS--need multiple generations


-need a control group


-need different levels of oxygen


-need a small organism that reproduces quickly


-need a confined environment




How does natural selection cause dramatic changes in phenotypes? CORRECT ANS-

Different levels of oxygen can change body size, certain phenotype survives, reproduces over

generations to become popular in populations. Higher oxygen levels means animals can grow

larger and still maintain the supply of oxygen to their muscles.




What are the four categories of Organic Molecules? CORRECT ANS-1. Carbohydrates


2. Lipids


3. Proteins


4. Nucleic Acids




What is an organic molecule? CORRECT ANS-A molecule that contains a carbon.

, EXAM 3: Mizzou Bio 1500 Exam 3 Bush; Questions and
Answers Rated A+

What are some examples of carbohydrates? CORRECT ANS-Glucose, starch, glycogen,

cellulose, chitin.




What are some examples of lipids? CORRECT ANS-Fats, oils, waxes, olive oil, bees wax,

bacon fat.




When a fat is 'saturated', what is it saturated with? CORRECT ANS-H2




What are the building blocks of proteins? CORRECT ANS-amino acids




What are the building blocks of nucleic acids? CORRECT ANS-nucleotides




What are the building blocks of carbohydrates? CORRECT ANS-simple sugars

(monosaccharides)




What are the building blocks of lipids? CORRECT ANS-fatty acids and glycerol