Bio 100 Lab - Test 1 ACTUAL UPDATED
Exam Questions and CORRECT Answers
What is the smallest unit of life? - CORRECT ANSWER - Cell
To which kingdom do single celled organisms with considerable internal complexity belong? -
CORRECT ANSWER - Prokaryote
What is the difference between prokaryotes and eukaryotes? - CORRECT ANSWER -
Eukaryotes contain a nucleus, and have more than one chromosome, while prokaryotes have
only one chromosome
List the four steps in the scientific method - CORRECT ANSWER - Observe, formulate
hypothesis, test hypothesis, interpret
Formulate a hypothesis for determining the beneficial effect of a nutritional substance. -
CORRECT ANSWER - People who take vitamins daily will have a more balanced diet
than those who don't.
Define dependent and independent variable. - CORRECT ANSWER - Dependent variable
is output or effect. Independent variable is input, stands alone, not changed. Independent variable
causes a change in the dependent variable.
List three criteria for judging the reliability of a scientific report. - CORRECT ANSWER -
- logical
-imperical
-observational
List the four major groups of macromolecules and their basic structural units. - CORRECT
ANSWER - -Carbohydrates (monomers called monosaccharides)
-Lipids (Fats, not polymers, glycerol and fatty acids)
Exam Questions and CORRECT Answers
What is the smallest unit of life? - CORRECT ANSWER - Cell
To which kingdom do single celled organisms with considerable internal complexity belong? -
CORRECT ANSWER - Prokaryote
What is the difference between prokaryotes and eukaryotes? - CORRECT ANSWER -
Eukaryotes contain a nucleus, and have more than one chromosome, while prokaryotes have
only one chromosome
List the four steps in the scientific method - CORRECT ANSWER - Observe, formulate
hypothesis, test hypothesis, interpret
Formulate a hypothesis for determining the beneficial effect of a nutritional substance. -
CORRECT ANSWER - People who take vitamins daily will have a more balanced diet
than those who don't.
Define dependent and independent variable. - CORRECT ANSWER - Dependent variable
is output or effect. Independent variable is input, stands alone, not changed. Independent variable
causes a change in the dependent variable.
List three criteria for judging the reliability of a scientific report. - CORRECT ANSWER -
- logical
-imperical
-observational
List the four major groups of macromolecules and their basic structural units. - CORRECT
ANSWER - -Carbohydrates (monomers called monosaccharides)
-Lipids (Fats, not polymers, glycerol and fatty acids)
