Which of the following statements about the structure or composition of DNA is FALSE?
A. Each nucleotide within a DNA strand is separated by about 0.34 nm
B. Adenine pairs with thymine and guanine with cytosine
C. DNA is a double helix
D. The amount of thymine closely approximates that of guanine within a particular organism
E. Complementary base-pairing occurs between pyrimidine and purine bases
Answer: D
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The inputs to glycolysis do not include (select all correct choices):
A. glucose. B. NAD+. C. NADH. D. ADP. E. Pi.
In order to prove that a bacterium is pathological according to Koch’s postulates, the ____
a. bacteria must be present in most cases of the disease b. bacteria must be isolated from the infected host and grown in mixed culture c. specific disease must be induced when a pure culture of the bacteria is introduced into a healthy host d. bacteria must be isolated from a transfer host e. bacterium must produce spores that can be transmitted from one individual to another
Fast neurons as described in lecture are fast because they are surrounded by a type of glial cell that results in a myelin coating
a. true b. false
A newly discovered prokaryote produces a compound with promising antimicrobial effects. Devise a set of tests to determine whether the antimicrobial is broad or narrow spectrum and bactericidal or bacteriostatic
What will be an ideal response?