Questions and Answers | 100% Pass
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 - 🧠ANSWER ✔✔B
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 - 🧠ANSWER ✔✔B
,The DNA of a cell is found mainly in its
(A) Membrane
(B) Cytoplasm
(C) Vacuoles
(D) Chromosomes - 🧠ANSWER ✔✔D
Most cells without a cell wall also lack
(A) Mitochondria
(B) Chloroplasts
(C) Cell membranes
(D) Vacuoles - 🧠ANSWER ✔✔B
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 - 🧠ANSWER ✔✔B
The end product of protein digestion consists of
, (A) Glucose
(B) Fatty acids
(C) Glycerol
(D) Amino acids - 🧠ANSWER ✔✔D
Blood circulation from the lungs goes directly to the
(A) Legs
(B) Head
(C) Heart
(D) Digestive system - 🧠ANSWER ✔✔C
The glucose content of the blood is regulated by
(A) Insulin and adrenaline
(B) Nerve stimulation
(C) ACTH
(D) Progesterone - 🧠ANSWER ✔✔A
The ocean current that extends from Florida across the Atlantic Ocean to Europe is
(A) El Nino
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