The small circles of DNA found in bacteria are called GENOMES.
a. true
b. false
Ans: b. false
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A pure form of matter that cannot be broken down to simpler forms.
A) Polarity B) Compound C) Denaturation D) Monosaccharides E) Hydrogen bonds F) Element G) Triglycerides H) Amino acids I) Tertiary structure J) Active site
Tubular secretion occurs in the region labeled____
a. 1 only b. 2 only c. 3 d. 4 e. 1 and 2
Sickle-cell disease is a disorder that results in malformed hemoglobin molecules. What is the result of this in terms of hemoglobin function?
A. Hemoglobin has an increased ability to bind to and transport oxygen in red blood cells. B. White blood cells begin to pick up hemoglobin molecules instead and this decreases their ability to function in the immune system as intended. C. Hemoglobin has an increased ability to bind to and transport carbon dioxide in red blood cells. D. Hemoglobin has a reduced ability to bind to and transport oxygen in red blood cells.
Choose the one most appropriate answer for each.
A. cork cambium B. companion cells C. vascular cylinder D. sieve elements E. pericycle F. vascular bundles G. lignin H. sclereids I. palisade mesophyll J. meristems K. spongy mesophyll