Science Quiz from 241 to 245
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241. Which is called power house of the cell
(A) golgi complex
(B) mitochondria
(C) nucleus
(D) endoplasmic reticulum
242. The structure that is absent in animal cell
(A) cell wall
(B) nulcleus
(C) centriole
(D) mitochondria
243. The non-protein part of enzyme is called
(A) co-enzyme
(B) activator
(C) cofactor
(D) substrate
244. Nucleic acid were first isolated by
(A) Erwin Chargaff
(B) Friedrich Miescher
(C) Rosalind Franklin
(D) none of these
245. One of the following is not pyrimidine
(A) thymine
(B) cytosine
(C) guanine
(D) uracil
ANSWERS: SCIENCE QUIZ
241. (B) mitochondria
242. (A) cell wall
243. (C) cofactor
244. (B) Friedrich Miescher
245. (C) guanine