ANSWERS 100% CORRECT!
B - ANSWER The function of an enzyme is to
(A) Provide energy for a chemical reaction
(B) Speed up a chemical reaction
(C) Become hydrolyzed during a chemical reaction
(D) Serve as an inorganic catalyst
B - ANSWER A one-kilogram mass is dropped from a height of 1 meter. Its kinetic
energy just before it hits the ground is about
(A) 1 joule
(B) 10 joules
(C) 100 joules
(D) 1,000 joules
D - ANSWER The DNA of a cell is found mainly in its
(A) Membrane
(B) Cytoplasm
(C) Vacuoles
(D) Chromosomes
B - ANSWER Most cells without a cell wall also lack
(A) Mitochondria
(B) Chloroplasts
(C) Cell membranes
(D) Vacuoles
B - ANSWER The cells that can easily be scraped from the lining of the mouth make up
(A) Connective tissue
(B) Epithelial tissue
(C) Supporting tissue
(D) Voluntary tissue
D - ANSWER The end product of protein digestion consists of
(A) Glucose
(B) Fatty acids
(C) Glycerol