Bio 100 Lab - Test 1 ACTUAL Exam
Questions and CORRECT Answers
What is the smallest unit of life? - CORRECT ANSWER - Cells
To which kingdom do single celled organisms with considerable internal complexity belong? -
CORRECT ANSWER - Protista
What is the difference between prokaryotes and eukaryotes? - CORRECT ANSWER -
Prokaryote- has no nucleus (free DNA)
Eukaryote- has nucleus
List the four steps in the scientific method. - CORRECT ANSWER - Observe--
>Hypothesize--> Test--> Interpret
Formulate a hypothesis for determining the beneficial effect of a nutritional substance. -
CORRECT ANSWER - If a substance has a higher caloric intake then more energy will be
provided.
Define dependent and independent variable. - CORRECT ANSWER - dependent: the
outcome based on the variable we controlled
independent variable: the one we control/manipulate, variable being tested
List three criteria for judging the reliability of a scientific report. - CORRECT ANSWER -
Logical, observational, and Emperical
List the four major groups of macromolecules and their basic structural units. - CORRECT
ANSWER - Proteins: formed by amino acids (enzymes, muscles, hair) (monomers-->
polymers)
Carbohydrates: are made of glucose molecules (sugar, starch, chips)
Lipids: formed by fatty acids (fats, oils, cholesterol, cell membrane)
Questions and CORRECT Answers
What is the smallest unit of life? - CORRECT ANSWER - Cells
To which kingdom do single celled organisms with considerable internal complexity belong? -
CORRECT ANSWER - Protista
What is the difference between prokaryotes and eukaryotes? - CORRECT ANSWER -
Prokaryote- has no nucleus (free DNA)
Eukaryote- has nucleus
List the four steps in the scientific method. - CORRECT ANSWER - Observe--
>Hypothesize--> Test--> Interpret
Formulate a hypothesis for determining the beneficial effect of a nutritional substance. -
CORRECT ANSWER - If a substance has a higher caloric intake then more energy will be
provided.
Define dependent and independent variable. - CORRECT ANSWER - dependent: the
outcome based on the variable we controlled
independent variable: the one we control/manipulate, variable being tested
List three criteria for judging the reliability of a scientific report. - CORRECT ANSWER -
Logical, observational, and Emperical
List the four major groups of macromolecules and their basic structural units. - CORRECT
ANSWER - Proteins: formed by amino acids (enzymes, muscles, hair) (monomers-->
polymers)
Carbohydrates: are made of glucose molecules (sugar, starch, chips)
Lipids: formed by fatty acids (fats, oils, cholesterol, cell membrane)
