BIOLOGY PROCTORED EXAM QUESTIONS
WITH 100% ACCURATE ANSWERS
A ______________ is an intentionally ineffective treatment given to members of a control group in an
experiment. - Accurate answers placebo
What is the name of a molecule that is only composed of one or more sugars? - Accurate answers
carbohydrate
True or False: Vitamin D is an antioxidant - Accurate answers False
Specialized white blood cells, called macrophages, engulf bacteria and other foreign particles by bringing
them into the cell via a vesicle. Once inside the cell the foreign substances are broken down. What
process was used to bring the material into the cell? - Accurate answers Endocytosis
Organ systems are composed of ___________ and cells are composed of _________ - Accurate
answers organs, organelles
When two strands of DNA form a double helix, what forms with what? - Accurate answers A pairs
with T
G pairs with C
When does a pH become acidic? neutral? basic? - Accurate answers acidic: 0-6
neutral: 7-8
basic: 9-14
True or false, regarding the unified cell theory: all new cells arise from existing cells - Accurate answers
true
True or false: "Being a good drive makes you less likely to catch a cold" is a testable scientific hypothesis
- Accurate answers false
Out of the four chemical bonds, which is weakest?
covalent, hydrogen, peptide, ionic - Accurate answers hydrogen bond
What do hydrophobic molecules do to water? - Accurate answers repel it
What pair of cell components are found in plant cells but not in animal cells? - Accurate answers
chloroplast and cell wall
What would be the control in an experiment testing the prediction that a certain drug prevents cataracts
in females over the age of 65? - Accurate answers female subjects over 65 that are given a placebo
WITH 100% ACCURATE ANSWERS
A ______________ is an intentionally ineffective treatment given to members of a control group in an
experiment. - Accurate answers placebo
What is the name of a molecule that is only composed of one or more sugars? - Accurate answers
carbohydrate
True or False: Vitamin D is an antioxidant - Accurate answers False
Specialized white blood cells, called macrophages, engulf bacteria and other foreign particles by bringing
them into the cell via a vesicle. Once inside the cell the foreign substances are broken down. What
process was used to bring the material into the cell? - Accurate answers Endocytosis
Organ systems are composed of ___________ and cells are composed of _________ - Accurate
answers organs, organelles
When two strands of DNA form a double helix, what forms with what? - Accurate answers A pairs
with T
G pairs with C
When does a pH become acidic? neutral? basic? - Accurate answers acidic: 0-6
neutral: 7-8
basic: 9-14
True or false, regarding the unified cell theory: all new cells arise from existing cells - Accurate answers
true
True or false: "Being a good drive makes you less likely to catch a cold" is a testable scientific hypothesis
- Accurate answers false
Out of the four chemical bonds, which is weakest?
covalent, hydrogen, peptide, ionic - Accurate answers hydrogen bond
What do hydrophobic molecules do to water? - Accurate answers repel it
What pair of cell components are found in plant cells but not in animal cells? - Accurate answers
chloroplast and cell wall
What would be the control in an experiment testing the prediction that a certain drug prevents cataracts
in females over the age of 65? - Accurate answers female subjects over 65 that are given a placebo
