Water is a polar molecule, what does this mean?
a. that water is linear, like a ple
b. that water is one of the many hydrophobic molecules
c. That atoms in the molecule have partial charges as a result of unequal sharing of electrons in a covalent bond
d. That the atoms in water have equal electronegativities
Ans: c. That atoms in the molecule have partial charges as a result of unequal sharing of electrons in a covalent bond
You might also like to view...
A scientist does not have an antibody to detect the protein of interest, but wants to know if the gene is expressed at low levels. What technique could the researcher use to detect, but not quantify the expression of the gene of interest?
A. Western Blotting B. real-time PCR C. cloning D. reverse transcriptase PCR
All of the following organisms are transmitted via the respiratory route EXCEPT
A) Neisseria meningitidis. B) Haemophilus influenzae. C) Listeria monocytogenes. D) Cryptococcus neoformans. E) None of the answers is correct; all of these organisms are transmitted by the respiratory route.
Looking at the table above, predict what will happen if a new antibiotic to the food poisoning bacteria Cam-pylobacter jejuni is developed and prescribed heavily by physicians beginning in 2012
a. Campylobacter jejuni will be effectively treated for the next 2–3 decades. b. Campylobacter jejuni will be effectively treated for the next 2–5 years. c. The new antibiotic will make all former antibiotics for the treatment of Campylobacter jejuni obsolete. d. B and C.
According to the phylogenetic tree above, fungi are more related to:
a. land plants. b. ambozoa. c. red algae. d. metazoans. e. bacteria.