Hereditary information in all eukaryotes, prokaryotes, and viruses is stored in ____
a. proteins
b. lipids
c. nucleic acids
d. carbohydrates
e. amino acids
ANSWER: c
Biology & Microbiology
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Consider the following electronegativity values: Boron (B) = 1.8 Carbon (C) = 2.5 Chlorine (Cl) = 3.2 Selenium (Se) = 2.6 Which of the following bonds is the most polar?
A. Se-Cl B. C-Cl C. B-Cl D. cannot determine from the information provided
Biology & Microbiology
A pine tree is
a. an angiosperm. b. a haploid plant body. c. a sporophyte. d. a living fossil. e. a gametophyte
Biology & Microbiology
Bacteria hold their DNA is region inside of their outer membrane, What is this region called?
A) capsule B) nucleoid C) cell wall D) flagella E) fimbriae
Biology & Microbiology
In which of the following settings have exotic species posed a larger threat to the native biota?
A) islands B) mainland areas C) A and B about equally
Biology & Microbiology