Which of the following statements about DNA is false?
a. DNA is capable of forming many different sequences.
b. DNA contains thymine instead of uracil.
c. DNA is double-stranded rather than single-stranded.
d. DNA is only found in eukaryotic cells.
e. DNA contains the sugar deoxyribose.
D
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Bacterial plasmids
A. are essential for growth. B. can provide genes that allow the bacteria to grow and thrive in the presence of potential toxins. C. are essential for cellular respiration. D. are artificially created by humans and are present in bacteria only because humans put them there. E. are essential for chromosome replication and binary fission.
The immediate location from which a disease-causing organism is transmitted to a host either directly or through an intermediate is called the ________.
Fill in the blank(s) with the appropriate word(s).
Blood is delivered to each nephron by
a. an efferent arteriole. b. peritubular capillaries. c. a renal capsule. d. an afferent arteriole. e. proximal tubules.
The ________ of a mitochondrion is/are an adaptation that increases the surface area and enhances a mitochondrion's ability to produce ATP
A) stroma B) intermembrane space C) cristae D) matrix