In which eukaryotic organelle are various macromolecules broken down and destroyed?
A) the Golgi apparatus
B) endoplasmic reticulum
C) mitochondria
D) lysosome
Ans: D) lysosome
Biology & Microbiology
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The enzyme transposase may be coded for by insertion sequences on a
A) chromosome. B) phage. C) plasmid. D) chromosome, phage, or plasmid.
Biology & Microbiology
Carbon, hydrogen, and oxygen are _____ for plants
a. macronutrients b. micronutrients c. trace elements d. required elements e. both macronutrients and required elements
Biology & Microbiology
Each tier of the biomass pyramid depicts the
____ of all the organisms in an ecosystem. a. size b. number of species c. dry weight d. total weight e. total utilization of materials
Biology & Microbiology
Small hairlike structures on the surface of bacteria are called:a
capsids. b. pili. c. chromatids. d. plasmids. e. virons.
Biology & Microbiology